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Med Sci Sports Exerc., 2012; (44): 1764-72, PMID: 22460472

Short-Duration Resistive Exercise Sustains Neuromuscular Function after Bed Rest.

Jahr: 2012

Gast U, John S, Runge M, Rawer R, Felsenberg D, Belavy DL
1Centre for Muscle and Bone Research, Charite Universitatsmedizin Berlin, Hindenburgdamm 30, 12203 Berlin, Germany. 2Aerpah Clinic Esslingen, Esslingen, Germany, 3Novotec Medical GmbH, Pforzheim, Germany.


PURPOSE: To assess the effectiveness of a short duration, three times weekly, high-load resistive exercise program on preventing deterioration in neuromuscular function after prolonged bed rest. METHODS: Twenty-four male subjects performed high-load resistive exercise (RE; n=8), high-load resistive exercise with whole-body vibration (RVE; n=9) or no exercise (control, n=9) during 60-day head-down tilt bed rest as part of the 2nd Berlin Bed Rest Study (BBR2-2). Peak countermovement jump power and height, sit-to-stand performance, sprint time over 15m and 30m and leg-press one repetition maximum were measured before and after bed rest. RESULTS: The exercise interventions were capable of ameliorating losses of peak countermovement jump power (p<0.001) and height (p<0.001), deterioration of sit-to-stand time from 45cm (p=0.034) and 30cm (p<0.001) sitting positions, increases of 15m (p=0.037) and 30m (p=0.005) sprint time and losses of one-repetition maximum leg-press (p<0.001). CONCLUSION: The short duration (6 minutes time under tension per training session) exercise countermeasure program performed three times a week was capable of reducing the impact of prolonged bed rest on a number of neuromuscular function measures.

Schlagworte: BBR2, BedRest, Kuskelfunktion
GID: 2942; Letzte Änderung: 10.04.2012