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J Diabetes Complications, 2020; (): 107562, PMID: 32122790

The impact of sensory and/or sensorimotor neuropathy on lower limb muscle endurance, explosive and maximal muscle strength in patients with type 2 diabetes mellitus.

Jahr: 2020

Van Eetvelde BLM, Lapauw B, Proot P, Vanden Wyngaert K, Celie B, Cambier D, Calders P
Department of Rehabilitation Sciences, Ghent University, Corneel Heymanslaan 10, 9000 Ghent, Belgium. Electronic address: birgit.vaneetvelde@ugent.be.

Abstract

AIMS: The purpose of this study was to investigate the impact of diabetic neuropathy (dNP) on lower limb endurance, explosive and maximal muscle strength in patients with Type 2 Diabetes Mellitus (T2DM). METHODS: Fifty-four participants, aged between 55 and 85, were enrolled in this observational comparative study. The patients with T2DM had an average HbA1c of 7.4% (+/-1.03) and diabetes duration of 13years. Participants were classified by means of electroneuromyography as T2DM without dNP (dNP-; n=8), T2DM with sensory dNP (dNPs; n=13), T2DM with sensorimotor dNP (dNPsm; n=14), and healthy controls without neuropathy (C; n=19). Maximal muscle strength and muscle endurance of the dominant knee and ankle were measured by dynamometry, while explosive muscle strength was evaluated by mechanography. RESULTS: Muscle endurance "total work" in knee extension and ankle plantar flexion was higher in the healthy controls compared to dNP-, dNPs and dNPsm, in knee flexion compared to dNPs and dNPsm, and in ankle dorsiflexion compared to dNPsm only (p<0.05). Furthermore, relative explosive muscle strength "total power/body weight" and relative maximal muscle strength "peak torque/lean body mass of the dominant leg" considering knee flexion, ankle plantar flexion and dorsiflexion, were higher in healthy controls compared to the dNPsm group, and for maximal muscle strength ankle dorsiflexion even between dNP- and dNPsm (p<0.05). CONCLUSIONS: Muscle endurance is impaired in patients with T2DM, independent of the presence of dNP. Explosive and maximal muscle strength are more likely affected by the presence and severity of dNP.

Schlagworte: Type 2 diabetes mellitus Diabetic neuropathy Maximal muscle strength Muscle endurance Explosive muscle strength
GID: 5079; Letzte Änderung: 16.03.2020