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Literatur (68)

Wissenschaftliche Publikationen (2021)

Age-Related Decline in Vertical Jumping Performance in Masters Track and Field Athletes: Concomitant Influence of Body Composition.

Vertical jumping power declines with advancing age, which is theoretically explicable by loss of muscle mass and increases in body fat. However, the results of previous cross-sectional studies remain inconsiste weiter...

Verfasser: Alvero-Cruz JR, Brikis M, Chilibeck P, Frings-Meuthen P, Vico Guzman JF, Mittag U, Michely S, Mulder E, Tanaka H, Tank J, Rittweger J
Quelle: Front Physiol, 2021; 12(): 643649, PMID: 33868010
GID: 5393; Last update: 29.04.2021

Wissenschaftliche Studien (2019)

Gender specific paediatric reference data for muscle function parameters assessed using jumping mechanography

Objective: Bone adapts to mechanical stimuli by increasing its mass and changing geometry; muscles are the stimulators for this change as they induce forces through contractions. Thus, bone strength is driven b weiter...

Verfasser: Palande S., Ekbote V., Chiplonkar S., Padidela R., Mughal Z., Vispute S., Rawer R., Khadilkar A., Khadilkar V.
Quelle: Bone Abstracts (ICCBH 2019), 2019; 10.1530/boneabs.7.P155: 155
GID: 5124; Last update: 30.05.2020
Weitere Informationen: Original Article

Grundlagenstudien (2020)

Effects of whole-body vibration training on bone density and turnover markers in adolescent swimmers.

Background Whole-body vibration training has recently been proposed as a complementary training modality to improve the bone health of adolescent swimmers. However, there is no longitudinal study regarding the weiter...

Verfasser: Marin-Puyalto J, Gomez-Cabello A, Gonzalez-Aguero A, Matute-Llorente A, Gomez-Bruton A, Jurimae J, Casajus JA, Vicente-Rodriguez G
Quelle: J Pediatr Endocrinol Metab, 2020; 33(5): 623-630, PMID: 32229668
GID: 5089; Last update: 06.04.2020

Grundlagenstudien (2020)

Site-Specific Effects of Swimming on Bone Density in Female Collegiate Swimmers.

While swimming provides numerous cardiovascular and overall health benefits, past research suggests it provides no constructive benefits to bone strength and density at dual energy x-ray absorptiometry (DXA) me weiter...

Verfasser: Miller M, Kojetin S, Scibora L
Quelle: Int J Exerc Sci, 2020; 13(1): 249-259, PMID: 32148613
GID: 5078; Last update: 16.03.2020

Wissenschaftliche Publikationen (2020)

Sex differences in bone density, geometry, and bone strength of competitive soccer players.

OBJECTIVES: To examine sex differences in bone characteristics in competitive soccer players. METHODS: 43 soccer players (male, n=23; female, n=20), and 43 matched controls (males, n=23; females, n=20), complet weiter...

Verfasser: Baker BS, Chen Z, Larson RD, Bemben MG, Bemben DA
Quelle: J Musculoskelet Neuronal Interact, 2020; 20(1): 62-76, PMID: 32131370
GID: 5071; Last update: 10.03.2020

Fachartikel (2020)

Bone geometry and lower extremity bone stress injuries in male runners.

Bone stress injuries (BSI) are common among distance runners and research investigations examining risk factors for BSI among men are limited. Therefore, investigations are needed to determine if men with a his weiter...

Verfasser: Popp KL, Frye AC, Stovitz SD, Hughes JM
Quelle: J Sci Med Sport, 2020; 23(2): 145-150, PMID: 31594711
GID: 4984; Last update: 14.10.2019

Grundlagenstudien (2019)

A case-control pilot study of stress fracture in adolescent girls: the discriminative ability of two imaging technologies to classify at-risk athletes.

Since stress fractures are common among adolescent athletes, it is important to identify bone assessment tools that accurately identify risk. We investigated the discriminative ability of two imaging technologi weiter...

Verfasser: Duckham RL, Bialo SR, Machan J, Kriz P, Gordon CM
Quelle: Osteoporos Int, 2019; 30(8): 1573–1580, PMID: 31143993
GID: 4911; Last update: 03.06.2019

Grundlagenstudien (2019)

pQCT- and Ultrasound-based Muscle and Fat Estimate Errors after Resistance Exercise.

PURPOSE: Resistance exercise increases blood flow, induces osmotic and hydrostatic fluid shifts during and immediately after exercise, and may trigger inflammatory responses for several days in the working musc weiter...

Verfasser: Rowe GS, Blazevich AJ, Haff GG
Quelle: Med Sci Sports Exerc, 2019; 51(5): 1022-1031, PMID: 30986813
GID: 4894; Last update: 23.04.2019

Wissenschaftliche Studien (2019)

The muscle-bone unit in adolescent swimmers.

Most researchers adjust bone by lean mass when comparing swimmers with controls. This adjustment is done under the assumption that lean affects bone similarly in both groups. Nonetheless, we found that the mu weiter...

Verfasser: Gomez-Bruton A, Gonzalez-Aguero A, Matute-Llorente A, Lozano-Berges G, Gomez-Cabello A, Moreno LA, Casajus JA, Vicente-Rodriguez G
Quelle: Osteoporos Int, 2019; 30(5): 1079-1088, PMID: 30729250
GID: 4852; Last update: 13.02.2019

Wissenschaftliche Publikationen (2019)

Seasonal Difference in Bone Characteristics and Body Composition of Elite Speed Skaters.

We investigated the changes in bone characteristics and body composition of elite speed skaters across two competitive seasons. Twelve elite speed skaters (age 23+/-4 years; height 1.73+/-0.09 m; body mass 68.5 weiter...

Verfasser: Varley I, Greeves JP, Sale C
Quelle: Int J Sports Med, 2019; 40(1): 9-15, PMID: 30481829
GID: 4807; Last update: 03.12.2018

Wissenschaftliche Studien (2018)

Tibia functionality and Division II female and male collegiate athletes from multiple sports.

Background: Bone strength is developed through a combination of the size and shape (architecture) of a bone as well as the bone"s material properties; and therefore, no one outcome variable can measure a positi weiter...

Verfasser: Yingling VR, Ferrari-Church B, Strickland A
Quelle: PeerJ, 2018; 6(): e5550, PMID: 30221092
GID: 4762; Last update: 24.09.2018

Wissenschaftliche Studien (2018)

Hip and spine bone mineral density are greater in master sprinters, but not endurance runners compared with non-athletic controls.

We examined bone density in older athletes and controls. Sprinters had greater hip and spine bone density than endurance athletes and controls, whereas values were similar in the latter two groups. These result weiter...

Verfasser: Piasecki J, McPhee JS, Hannam K, Deere KC, Elhakeem A, Piasecki M, Degens H, Tobias JH, Ireland A
Quelle: Arch Osteoporos, 2018; 13(1): 72, PMID: 29971503
GID: 4734; Last update: 24.07.2018

Wissenschaftliche Studien (2018)

Effects of whole body vibration on tibia strength and structure of competitive adolescent swimmers: A randomized controlled trial.

BACKGROUND: Swimming has no effect on bone mass or structure. Therefore, adolescent swimmers present similar bone strength values when compared to normo-active controls, and lower values when compared to weight weiter...

Verfasser: Gomez-Bruton A, Gonzalez-Aguero A, Matute-Llorente A, Julian C, Lozano-Berges G, Gomez-Cabello A, Garatachea N, Casajus JA, Vicente-Rodriguez G
Quelle: PM R, 2018; 10(9): 889-897, PMID: 29626614
GID: 4664; Last update: 16.04.2018

Grundlagenstudien (2020)

Muscle power predicts bone strength in Division II athletes.

The relationship between muscle fitness measures and tibial bone strength in collegiate level athletes was investigated. Eighty-six Division II collegiate athletes (age: (18-29 years), height: 1.71 m (.09): mas weiter...

Verfasser: Yingling VR, Webb S, Inouye C, O J, Sherwood JJ
Quelle: J Strength Cond Res, 2020; 34(6): 1657-1665, PMID: 28859012
GID: 4498; Last update: 01.09.2017

Wissenschaftliche Studien (2006)

Effekte eines niedrigfrequenten Ganzkörpervibrationstrainings auf dem Galileo 2000

Zusammenfassung: Dem Ganzkörpertraining wird der präventive und rehabilitative Nutzen nachgesagt, die Mineralisierung der Knochen zu fördern und darüber hinaus einer allgemeinen Muskeldegeneration entgegen weiter...

Verfasser: Huber G, Weiss K, Eckert K
Quelle: B & G, 2006; 22(2): 52-57
GID: 4395; Last update: 01.04.2017

Wissenschaftliche Studien (2017)

Changes in body composition and bone of female collegiate soccer players through the competitive season and off-season.

OBJECTIVES: To assess body composition and bone changes pre- to post-season (pre-post) and post- to off-season (post-off) in female soccer athletes (SC). METHODS: Outcomes were assessed using DXA and pQCT in 23 weiter...

Verfasser: Minett MM, Binkley TB, Weidauer LA, Specker BL
Quelle: J Musculoskelet Neuronal Interact, 2017; 17(1): 386-398, PMID: 28250243
Schlagworte: Bone, Athletes, Female, pQCT, DXA
GID: 4377; Last update: 08.03.2017

Wissenschaftliche Studien (2017)

The effect of calcium and vitamin D supplementation on bone health of male Jockeys.

OBJECTIVES: Engagement in high volumes of physical activity coupled with energy restriction during periods of musculoskeletal development may compromise bone health. Jockeys limit caloric intakes on a weekly ba weiter...

Verfasser: Silk LN, Greene DA, Baker MK, Jander CB
Quelle: J Sci Med Sport, 2017; 20(3): 225-229, PMID: 27568072
GID: 4219; Last update: 13.09.2016

Wissenschaftliche Studien (2016)

Muscle histology changes after short term vibration training in healthy controls

In search for additional counter measures of muscle atrophy vibration exercise training may have substantial effort for patients with neuromuscular disorders. To cover safety aspects and obtain muscle morpholog weiter...

Verfasser: Schoser B
Quelle: Acta Myol, 2016; 34(2-3): 133-8, PMID: 27199541
Schlagworte: Muscle Histology, Muscle function, muscle power, muscle fiber
#GRFS29
GID: 4195; Last update: 27.06.2016
Weitere Informationen: Original Article

Wissenschaftliche Studien (2015)

Greater tibial bone strength in male tennis players than controls in the absence of greater muscle output

Background/Objective: The greatest forces experienced by bones result from muscular contractions muscles produce most force in high-velocity eccentric contractions. Bouncing movements, e.g., sprinting or hoppin weiter...

Verfasser: Alex Ireland, Hans Degens, Bergita Ganse, Thomas Mark Maden-Wilkinson , Desiree Christin Wilks, Jörn Rittweger
Quelle: Journal of Orthopaedic Translation, 2015; 3(3): 142–151
GID: 4149; Last update: 19.04.2016
Weitere Informationen: Original Article

Wissenschaftliche Studien (2016)

Acute effects of unilateral whole body vibration training on single leg vertical jump height and symmetry in healthy men.

[Purpose] The aim of the present study was to investigate the acute effects of unilateral whole body vibration training on height and symmetry of the single leg vertical jump in healthy men. [Subjects] Thirty m weiter...

Verfasser: Shin S, Lee K, Song C
Quelle: J Phys Ther Sci, 2016; 27(12): 3923-8, PMID: 26834381
Schlagworte: Single leg vertical jump, Symmetry, Whole body vibration
#GRFS77
GID: 4076; Last update: 16.02.2016

Wissenschaftliche Studien (2013)

Bone density and neuromuscular function in older competitive athletes depend on running distance.

Individuals who are involved in explosive sport types, such as 100-m sprints and long jump, have greater bone density, leg muscle size, jumping height and grip strength than individuals involved in long-distan weiter...

Verfasser: Gast U, Belavy DL, Armbrecht G, Kusy K, Lexy H, Rawer R, Rittweger J, Winwood K, Zielinski J, Felsenberg D
Quelle: Osteoporos Int, 2013; 24(7): 2033-42, PMID: 23242430
GID: 3954; Last update: 23.07.2015

Wissenschaftliche Studien (2014)

Physiological alterations after a marathon in the first 90-year-old male finisher: case study.

INTRODUCTION: Endurance performance decreases during ageing due to alterations in physiological characteristics, energy stores, and psychological factors. To investigate alterations in physiological characteris weiter...

Verfasser: Mueller SM, Knechtle B, Knechtle P, Toigo M
Quelle: Springerplus, 2014; 3(): 608, PMID: 25392780
GID: 3662; Last update: 24.11.2014
Weitere Informationen: Original Article

Wissenschaftliche Studien (2015)

Radial bone size and strength indices in male road cyclists, mountain bikers and controls.

Abstract Mountain biking (MB), unlike road cycling (RC) involves exposure to ground impact bone strain and requires upper-body muscle forces to maintain stability over uneven terrain and therefore may have diff weiter...

Verfasser: Mcveigh JA, Meiring R, Cimato A, Micklesfield LK, Oosthuyse T
Quelle: Eur J Sport Sci, 2015; 15(4): 332-40, PMID: 25005697
Schlagworte: pQCT,cyclists,bonestrength
GID: 3560; Last update: 15.07.2014

Wissenschaftliche Studien (2011)

Altersabhängige Muskelleistung und -kraft bei Senioren-Leistungssportlern verschiedener Sprungdisziplinen und die Anpassung des Knochens

Verfasser: Böhme SA.
Quelle: Dissertation, 2011;
GID: 3347; Last update: 11.11.2013
Weitere Informationen: Original Article

Wissenschaftliche Studien (2013)

Mechanography in childhood: references for force and power in counter movement jumps and chair rising tests.

Objective: We sought to procure age- and gender- related reference data and study the characteristics of body weight related peak force (pFrel), body mass related peak power (pPrel) for counter movement jumps ( weiter...

Verfasser: Busche P, Rawer R, Rakhimi N, Lang I, Martin DD.
Quelle: J Musculoskelet Neuronal Interact., 2013; 13(2):: 213-26., PMID: 23728108
GID: 3220; Last update: 07.06.2013
Weitere Informationen: Original Article

Grundlagenstudien (2013)

Side-to-Side Differences in the Lower Leg Muscle-Bone Unit in Male Soccer Players.

Purpose: To characterize side-to-side differences in the lower leg muscle-bone unit between the non-dominant leg (NL) and the dominant leg (DL) using maximum voluntary forefoot ground reaction force (Fm1LH) dur weiter...

Verfasser: Anliker E, Sonderegger A, Toigo M.
Quelle: Med Sci Sports Exerc., 2013; 45(8): 1545-1552, PMID: 23470305
Schlagworte: MAXIMUM VOLUNTARY MUSCLE FORCE, MULTIPLE ONE-LEGGED HOPPING (M1LH), BONE STRENGTH, PERIPHERAL QUANTITATIVE COMPUTED TOMOGRAPHY (PQCT), TIBIA
GID: 3215; Last update: 06.06.2013

Wissenschaftliche Studien (2013)

Analysing gait using a force-measuring walkway: intrasession repeatability in healthy children and adolescents.

The goal of this study was to determine the repeatability of gait parameters measured by a force plate gait analysis system (Leonardo Mechanograph((R)) GW) in healthy children. Nineteen healthy children and ado weiter...

Verfasser: Veilleux LN, Ballaz L, Robert M, Lemay M, Rauch F
Quelle: Comput Methods Biomech Biomed Engin, 2013; (): , PMID: 23360226
GID: 3109; Last update: 02.02.2013

Wissenschaftliche Studien (2012)

Agreement between vertical ground reaction force and ground reaction force vector in five common clinical tests.

Mechanography is an innovative method to evaluate lower-limb dynamic muscle function. This technique is generally performed on force platforms that measure only the vertical component of ground reaction force ( weiter...

Verfasser: Veilleux LN, Rauch F, Lemay M, Ballaz L
Quelle: J Musculoskelet Neuronal Interact, 2012; 12(4): 219-23, PMID: 23196264
GID: 3073; Last update: 08.12.2012
Weitere Informationen: Original Article

Wissenschaftliche Studien (2011)

Side-to-side differences in bone strength in master jumpers and sprinters.

Introduction: This study evaluated side-to-side difference in tibial bone structure, calf muscle cross-sectional area (CSA) and hopping force in master athletes as a result of training for sports with different weiter...

Verfasser: Ireland A, Korhonen M, Heinonen A, Suominen H, Baur C, Stevens S, Degens H, Rittweger J
Quelle: J Musculoskelet Neuronal Interact, 2011; 11(4): 298-305, PMID: 22130138
GID: 2777; Last update: 06.12.2011
Weitere Informationen: Original Article

Wissenschaftliche Studien (2011)

Expression and regulation of Homer in human skeletal muscle during neuromuscular junction adaptation to disuse and exercise.

Protein calcium sensors of the Homer family have been proposed to modulate the activity of various ion channels and nuclear factor of activated T cells (NFAT), the transcription factor modulating skeletal musc weiter...

Verfasser: Salanova M, Bortoloso E, Schiffl G, Gutsmann M, Belavy DL, Felsenberg D, Furlan S, Volpe P, Blottner D
Quelle: FASEB J, 2011; (): , PMID: 21885651
Schlagworte: BBR2
GID: 2748; Last update: 28.09.2011

Wissenschaftliche Studien (2011)

Bone structure and density via HR-pQCT in 60d bed-rest, 2-years recovery with and without countermeasures.

We examined the effects of bed-rest, recovery and exercise countermeasures on bone density and structure at the distal tibia and radius as measured via high-resolution peripheral computed tomography. 24 subject weiter...

Verfasser: Belavy DL, Beller G, Ritter Z, Felsenberg D
Quelle: J Musculoskelet Neuronal Interact, 2011; 11(3): 215-26, PMID: 21885896
Schlagworte: BBR2
GID: 2729; Last update: 13.09.2011
Weitere Informationen: Original Article

Wissenschaftliche Studien (2011)

Combined Effects of Whole-Body Vibration, Resistance Exercise, and Vascular Occlusion on Skeletal Muscle and Performance.

The purpose of this study was to evaluate the effects of a new high-intensity training modality comprised of vibration exercise with superimposed resistance exercise and vascular occlusion (vibroX) on skeletal weiter...

Verfasser: Item F, Denkinger J, Fontana P, Weber M, Boutellier U, Toigo M
Quelle: Int J Sports Med, 2011; 32(10): 781-7, PMID: 21870317
Schlagworte: enduracne, workout, suqat, Kniebeuge, Ausdauer
#GRFS12
GID: 2690; Last update: 29.08.2011

Wissenschaftliche Studien (2010)

Reproducibility of jumping mechanography in healthy children and adults

Objectives: To describe mechanographic tests that can be performed by patients with a range of functional abilities and to assess the reproducibility of test results in healthy adults and children. Methods: Fif weiter...

Verfasser: Veilleux LN, Rauch F
Quelle: J Musculoskelet Neuronal Interact., 2010; 10(4): 256-66, PMID: 21116062
GID: 2483; Last update: 02.12.2010
Weitere Informationen: Original Article

Wissenschaftliche Studien (1998)

The relationship between isokinetic quadriceps strength test and hop tests for distance and one-legged vertical jump test following anterior cruciate ligament reconstruction

Isokinetic measurements and functional tests are often used to assess function following knee ligament reconstruction using the opposite limb as a control. However, the question of whether the uninvolved leg ma weiter...

Verfasser: Petschnig R, Baron R, Albrecht M
Quelle: J Orthop Sports Phys Ther., 1998; 28(1): 23-31, PMID: 9653687
GID: 2436; Last update: 19.10.2010

Wissenschaftliche Studien (2010)

Resistive vibration exercise attenuates bone and muscle atrophy in 56 days of bed rest: biochemical markers of bone metabolism

During and after prolonged bed rest, changes in bone metabolic markers occur within 3 days. Resistive vibration exercise during bed rest impedes bone loss and restricts increases in bone resorption markers whil weiter...

Verfasser: Armbrecht G, Belavý DL, Gast U, Bongrazio M, Touby F, Beller G, Roth HJ, Perschel FH, Rittweger J, Felsenberg D
Quelle: Osteoporos Int., 2010; 21(4): 597-607, PMID: 19536451
Schlagworte: BBR
GID: 2288; Last update: 24.05.2010

Wissenschaftliche Studien (2009)

Non-invasive (pQCT) biomechanical analysis of the whole human tibia in normal men and women

Verfasser: Feldman S, Capozza R, Mortario P, Yelin I, Reina P, Schiessl H, Rittweger J, Ferretti JL, Cointry GR
Quelle: ASBMR, 2009;
GID: 2228; Last update: 09.04.2010
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Wissenschaftliche Studien (2009)

Structural and biomechanical analysis of the whole tibia by pQCT in trained long-distance runners

Verfasser: Feldman S, Capozza R, Mortarino P. Yelin I, Reina P, Ullna MR, Rittweger J, Ferretti JL, Cointry GR
Quelle: ASBMR, 2009;
GID: 2229; Last update: 09.04.2010
Download:

Wissenschaftliche Studien (2010)

Age-Related Changes in Physical Function in Community-Dwelling People Aged 50-79 Years

[Purpose] We aimed to obtain the mean values for physical function tests in healthy community-dwelling people aged 50-79 years and to compare these values between age decades. [Subjects and Methods] We recr weiter...

Verfasser: Tsubaki A, Kubo M, Kobayashi R, Jigami H, Takahashi HE
Quelle: J. Phys. Ther. Sci, 2010; 22/1: 23-27
GID: 2231; Last update: 09.04.2010
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

EFFECT OF SPORT ACTIVITY ON COUNTER MOVEMENT JUMP PARAMETERS IN JUVENILE STUDENTS

INTRODUCTION: The counter movement jump (CMJ) is a commonly used method in performance diagnostics to measure leg power (Frick et al., 1991). The use of arm movements during jumping can increase the release ve weiter...

Verfasser: Richter A, Lang D, Strutzenberger G, Schwameder H
Quelle: ISBS, Conference Proceedings Archive, 27 International Conference on Biomechanics in Sports (2009), 2009;
GID: 2124; Last update: 28.12.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

Skeletal geometry and indices of bone strength in artistic gymnasts

This review addresses bone geometry and indices of skeletal strength associated with exposure to gymnastic loading during growth. A brief background characterizes artistic gymnastics as a mechanical loading mod weiter...

Verfasser: Dowthwaite JN, Scerpella TA
Quelle: J Musculoskelet Neuronal Interact., 2009; 9(4): 198-214, PMID: 19949278
GID: 2109; Last update: 18.12.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

Resistive vibration exercise reduces lower limb muscle atrophy during 56-day bed-rest

Objectives: The current study aimed to examine the effectiveness of a resistive vibration exercise countermeasure during prolonged bed-rest in preventing lower-limb muscle atrophy. Methods: 20 male subjects und weiter...

Verfasser: Belavý DL, Miokovic T, Armbrecht G, Rittweger J, Felsenberg D
Quelle: J Musculoskelet Neuronal Interact., 2009; 9(4): 225-35, PMID: 19949280
Schlagworte: BBR, Galileo Space
GID: 2083; Last update: 03.12.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

Age-dependency in bone mass and geometry: a pQCT study on male and female master sprinters, middle and long distance runners, race-walkers and sedentary people

Objective: To investigate whether athletic participation allows master athletes to preserve their good bone health into old age. Methods: Bone strength indicators of the tibia and the radius were obtained of ma weiter...

Verfasser: Wilks DC, Winwood K, Gilliver SF, Kwiet A, Sun LW, Gutwasser C, Ferretti JL, Sargeant AJ, Felsenberg D, Rittweger J
Quelle: J Musculoskelet Neuronal Interact., 2009; 9(4): 236-46, PMID: 19949281
Schlagworte: Master Athletes
GID: 2084; Last update: 03.12.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

Comparison of pQCT parameters between ulna and radius in retired elite gymnasts: the skeletal benefits associated with long-term gymnastics are bone- and site-specific

Objectives: To compare the skeletal benefits associated with gymnastics between ulna and radius. Methods: 19 retired artistic gymnasts, aged 18-36 years, were compared to 24 sedentary women. Bone mineral conten weiter...

Verfasser: Ducher G, Hill BL, Angeli T, Bass SL, Eser P
Quelle: J Musculoskelet Neuronal Interact., 2009; 9(4): 247-55, PMID: 19949282
GID: 2085; Last update: 03.12.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

Normative values for maximum power during motor function assessment of jumping among physically active Japanese

Objectives: To determine the relationship between maximum power relative to body weight (Pmax-rel) and the aging process, and to indicate the target values of improvement of motor function in Japanese individua weiter...

Verfasser: Tsubaki A, Kubo M, Kobayashi R, Jigami H, Takahashi HE
Quelle: J Musculoskelet Neuronal Interact., 2009; 9(4): 263-7, PMID: 19949284
Schlagworte: Leonardo Normative Data
GID: 2082; Last update: 02.12.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2005)

Examining the developing skeletal muscle: Why, what and how

This review focuses on methodological concepts in the evaluation of skeletal muscle function, taking into account classical muscle physiology, the developing motor system in children and anthropometric paramete weiter...

Verfasser: Fricke O, Schoenau E
Quelle: J Musculoskelet Neuronal Interact., 2005; 5(3): 225-31, PMID: 16172513
GID: 2074; Last update: 25.11.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2009)

Intensity, repetitiveness, and directionality of habitual adolescent mobility patterns influence the tibial diaphysis morphology of athletes.

Mobility patterns affect the loads placed on the lower limbs during locomotion and may influence variation in lower limb diaphyseal robusticity and shape. This relationship commonly forms the basis for inferri weiter...

Verfasser: Shaw CN, Stock JT
Quelle: Am J Phys Anthropol, 2009; 140(1): 149-59, PMID: 19358289
GID: 1811; Last update: 05.05.2009

Wissenschaftliche Studien (2009)

Habitual throwing and swimming correspond with upper limb diaphyseal strength and shape in modern human athletes.

Variation in upper limb long bone cross-sectional properties may reflect a phenotypically plastic response to habitual loading patterns. Structural differences between limb bones have often been used to infer p weiter...

Verfasser: Shaw CN, Stock JT
Quelle: Am J Phys Anthropol, 2009; 140(1): 160-72, PMID: 19358297
GID: 1812; Last update: 05.05.2009

Wissenschaftliche Studien (2009)

Bone mass and geometry of the tibia and the radius of master sprinters, middle and long distance runners, race-walkers and sedentary control participants: a pQCT study.

Mechanical loading is thought to be a determinant of bone mass and geometry. Both ground reaction forces and tibial strains increase with running speed. This study investigates the hypothesis that surrogates of weiter...

Verfasser: Wilks DC, Winwood K, Gilliver SF, Kwiet A, Chatfield M, Michaelis I, Sun LW, Ferretti JL, Sargeant AJ, Felsenberg D, Rittweger J
Quelle: Bone, 2009; 45(1): 91-7, PMID: 19332164
GID: 1800; Last update: 16.04.2009

Wissenschaftliche Studien (2009)

Long-Term Leisure Time Physical Activity and Properties of Bone: A Twin Study

Abstract Effects of physical activity on bone properties when controlled for genetic effects are not fully understood. We aimed to investigate association between long-term leisure time physical activity (LTPA) weiter...

Verfasser: Ma H, Leskinen T, Alen M, Cheng S, Sipilä S, Heinonen A, Kaprio J, Suominen H, Kujala UM
Quelle: J Bone Miner Res., 2009; 24/8: 1427-33, PMID: 19335223
GID: 1801; Last update: 16.04.2009

Wissenschaftliche Studien (2009)

Muscle indices do not fully account for enhanced upper extremity bone mass and strength in gymnasts

OBJECTIVES: Muscular forces are an important determinant of bone strength, but bone may also adapt to non-muscular loading. We tested the hypothesis that loads associated with childhood gymnastics yield high ar weiter...

Verfasser: Dowthwaite JN, Kanaley JA, Spadaro JA, Hickman RM, Scerpella TA
Quelle: J Musculoskelet Neuronal Interact., 2009; 9(1): 2-14, PMID: 19240362
GID: 1797; Last update: 15.04.2009
Weitere Informationen: Original Article

Wissenschaftliche Studien (2008)

Load-specific differences in the structure of femoral neck and tibia between world-class moguls skiers and slalom skiers

Bone structure of weight-bearing proximal femur and tibia was examined among the Finnish world-class moguls skiers and slalom skiers. We hypothesized that these bones, during typical sport-specific performance, weiter...

Verfasser: Nikander R, Sievänen H, Heinonen A, Karstila T, Kannus P
Quelle: Scand J Med Sci Sports., 2008; 18(2): 145-53, PMID: 18067528
GID: 1733; Last update: 16.03.2009

Wissenschaftliche Studien (2009)

Sprint and endurance power and ageing: an analysis of master athletic world records

Human physical performance is notably reduced with ageing. Although the effects of ageing are often compounded by disuse, the study of master athletes provides an opportunity for investigating the effects of ag weiter...

Verfasser: Rittweger J, di Prampero PE, Maffulli N, Narici MV
Quelle: Proc Biol Sci., 2009; 276(1657): 683-9, PMID: 18957366
GID: 1773; Last update: 06.02.2009

Wissenschaftliche Studien (2007)

Vertical jump performance after 90 days bed rest with and without flywheel resistive exercise, including a 180 days follow-up

Muscle atrophy and neuromuscular de-conditioning occur in response to space flight and bed-rest. In this study, we investigated the efficacy of flywheel training to conserve jumping power and height during 90 d weiter...

Verfasser: Rittweger J, Felsenberg D, Maganaris C, Ferretti JL
Quelle: Eur J Appl Physiol., 2007; 100(4): 427-36, PMID: 17406887
Schlagworte: BBR, Berlin BedRest Study, ESA, Galileo Space
GID: 1776; Last update: 06.02.2009

Wissenschaftliche Publikationen (2008)

Updates on improvement of human athletic performance: focus on world records in athletics

INTRODUCTION: Progression of world records (WRs) in athletics is a reliable mean to assess the potentiality of the human body, which also reflects how society has evolved over time and will continue to evolve. weiter...

Verfasser: Lippi G, Banfi G, Favaloro EJ, Rittweger J, Maffulli N
Quelle: Br Med Bull., 2008; 87: 7-15, PMID: 18723588
GID: 1779; Last update: 06.02.2009

Wissenschaftliche Studien (2008)

Bone Volumetric Density, Geometry and Strength in Female and Male Collegiate Runners

Verfasser: Thiescafer AJ, Hughes JM, Popp KL, Wetzsteon RJ, Stovitz SD, Kaufman BC, Kurzer MS, Petit MA
Quelle: ASBMR, 2008;
GID: 1533; Last update: 26.09.2008
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Wissenschaftliche Studien (2008)

Imaging of lower extremity stress fracture injuries

Stress reactions and stress fractures in the lower extremities occur frequently in military and athletic populations. As the clinical symptoms of stress fracture may mimic other less severe musculoskeletal inju weiter...

Verfasser: Moran DS, Evans RK, Hadad E
Quelle: Sports Med., 2008; 38(4): 345-56, PMID: 18348592
Schlagworte: fatigue
GID: 1505; Last update: 09.09.2008

Wissenschaftliche Studien (2008)

Decline of specific peak jumping power with age in master runners

Background: It is difficult to disentangle the effects of pure ageing from those of disuse. Master athletes, however, provide an opportunity to assess the effects of ageing per se, as these people maintain high weiter...

Verfasser: Michaelis I, Kwiet A, Gast U, Boshof A, Antvorskov T, Jung T, Rittweger J, Felsenberg D
Quelle: J Musculoskelet Neuronal Interact., 2008; 8(1): 64-70, PMID: 18398267
Schlagworte: Power
GID: 1309; Last update: 05.05.2008
Weitere Informationen: Original Article

Wissenschaftliche Studien (2008)

The rate of muscle temperature increase during acute whole-body vibration exercise

This study compared the rate of muscle temperature (T (m)) increase during acute whole-body vibration (WBV), to that of stationary cycling and passive warm-up. Additionally we wanted to determine if the purport weiter...

Verfasser: Cochrane DJ, Stannard SR, Sargeant AJ, Rittweger J
Quelle: Eur J Appl Physiol., 2008; 103(4): 441-8, PMID: 18392845
Schlagworte: Muscle Temperature Power
#GRFS137
GID: 1310; Last update: 05.05.2008

Wissenschaftliche Studien (2006)

Loading modalities and bone structures at nonweight-bearing upper extremity and weight-bearing lower extremity: a pQCT study of adult female athletes

This cross-sectional study of adult female athletes assessed whether the apparent loading-related differences in bone structure are primarily associated with the loading type or the muscle performance-related j weiter...

Verfasser: Nikander R, Sievänen H, Uusi-Rasi K, Heinonen A, Kannus P
Quelle: Bone., 2006; 39(4): 886-94, PMID: 16731064
GID: 1205; Last update: 05.03.2008
Weitere Informationen: Original Article

Wissenschaftliche Studien (2006)

Muskel und Knochen - eine funktionelle Einheit

Einleitung: Im sich entwickelnden Organismus von Kindern und Jugendlichen steht die Kraft und die Masse der Muskulatur in biologischer Beziehung zur Geometrie und Masse des Skeletts. Methoden: Vor dem Hintergr weiter...

Verfasser: E Schönau, O Fricke
Quelle: Dtsch Ärztebl 103: (2006) A3414 - 3418, 2006; 103: 3414-3418
GID: 1218; Last update: 05.03.2008

Wissenschaftliche Studien (2006)

Long-term recreational gymnastics provides a clear benefit in age-related functional decline and bone loss. A prospective 6-year study

INTRODUCTION: Bone fragility and decreased functional performance are risk factors for osteoporotic fractures. The influence of long-term recreational gymnastics on the maintenance of bone rigidity and physical weiter...

Verfasser: Uusi-Rasi K, Sievänen H, Heinonen A, Vuori I, Beck TJ, Kannus P
Quelle: Osteoporos Int., 2006; 17(8): 1154-64, PMID: 16758134
GID: 1242; Last update: 05.03.2008

Wissenschaftliche Studien (2005)

Bone geometry and density in the skeleton of pre-pubertal gymnasts and school children

We have studied the differences between the peripheral and axial skeleton of pre-pubertal gymnasts and controls. We hypothesised that compared to controls, gymnasts would have larger and stronger radius and tib weiter...

Verfasser: Ward KA, Roberts SA, Adams JE, Mughal MZ
Quelle: Bone., 2005; 36(6): 1012-8, PMID: 15876561
GID: 1173; Last update: 03.03.2008

Wissenschaftliche Studien (2004)

Is muscle power output a key factor in the age-related decline in physical performance? A comparison of muscle cross section, chair-rising test and jumping power

Ageing compromises locomotor capacity and is associated with an increased risk of falls. Several lines of evidence indicate that both changes in muscle mass and performance are causative. Most studies, however, weiter...

Verfasser: Runge M, Rittweger J, Russo CR, Schiessl H, Felsenberg D
Quelle: Clin Physiol Funct Imaging., 2004; 24(6): 335-40, PMID: 15522042
GID: 1148; Last update: 28.02.2008
Weitere Informationen: Original Article

Wissenschaftliche Studien (2002)

Site-specific skeletal response to long-term weight training seems to be attributable to principal loading modality: a pQCT study of female weightlifters

Physical training may be able to improve bone strength through site-specific changes in the composition, size and structure of the bone without notable increases in volumetric density. To address this possibili weiter...

Verfasser: Heinonen A, Sievänen H, Kannus P, Oja P, Vuori I
Quelle: Calcif Tissue Int., 2002; 70(6): 469-74, PMID: 12016461
GID: 1058; Last update: 30.01.2008

Wissenschaftliche Studien (2000)

Exercise-induced bone gain is due to enlargement in bone size without a change in volumetric bone density: a peripheral quantitative computed tomography study of the upper arms of male tennis players

Bilateral bone characteristics of the humerus (proximal, shaft, and distal sites) and radius (shaft and distal sites) in 12 former Finnish national-level male tennis players (mean age 30 years) and their 12 age weiter...

Verfasser: Haapasalo H, Kontulainen S, Sievänen H, Kannus P, Järvinen M, Vuori I
Quelle: Bone., 2000; 27(3): 351-7, PMID: 10962345
GID: 1028; Last update: 29.01.2008

Wissenschaftliche Studien (1999)

Long-term recreational gymnastics, estrogen use, and selected risk factors for osteoporotic fractures

The purpose of this cross-sectional study was to examine whether long-term participation in recreational gymnastics or folk dancing or estrogen replacement therapy (ERT) is associated with mechanically more com weiter...

Verfasser: Uusi-Rasi K, Sievänen H, Vuori I, Heinonen A, Kannus P, Pasanen M, Rinne M, Oja P
Quelle: J Bone Miner Res., 1999; 14(7): 1231-8, PMID: 10404026
GID: 1011; Last update: 29.01.2008

Wissenschaftliche Studien (1999)

Tomographical description of tennis-loaded radius: reciprocal relation between bone size and volumetric BMD

Effects of long-term tennis loading on volumetric bone mineral density (vBMD) and geometric properties of playing-arm radius were examined. Paired forearms of 16 tennis players (10 women) and 12 healthy control weiter...

Verfasser: Ashizawa N, Nonaka K, Michikami S, Mizuki T, Amagai H, Tokuyama K, Suzuki M
Quelle: J Appl Physiol., 1999; 86(4): 1347-51, PMID: 10194221
GID: 1015; Last update: 29.01.2008

Wissenschaftliche Studien (1994)

Influence of steroid medication on bone mineral density in children with nephrotic syndrome

Bone mineral density (BMD) was studied in 26 children with idiopathic nephrotic syndrome and in age- and sex-matched healthy controls. BMD was selectively measured in trabecular (TBD), cortical (CBD) and total weiter...

Verfasser: Lettgen B, Jeken C, Reiners C
Quelle: Pediatr Nephrol., 1994; 8(6): 667-70, PMID: 7696102
GID: 976; Last update: 24.01.2008

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