Deakin University
Browse

File(s) under permanent embargo

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

Version 2 2024-06-13, 17:00
Version 1 2015-03-17, 14:40
journal contribution
posted on 2024-06-13, 17:00 authored by DL Belavy, T Miokovic, G Armbrecht, J Rittweger, D Felsenberg
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 underwent 56-days of bed-rest and were assigned to either an inactive control, or a countermeasure group which performed high-load resistive exercises (including squats, heel raises and toe raises) with whole-body vibration. Magnetic resonance imaging of the lower-limbs was performed at two-weekly intervals. Volume of individual muscles was calculated. RESULTS: Countermeasure exercise reduced atrophy in the triceps surae and the vastii muscles (F>3.0, p<.025). Atrophy of the peroneals, tibialis posterior and toe flexors was less in the countermeasure-subjects, though statistical evidence for this was weak (For=.071). Atrophy in the hamstring muscles was similar in both groups (F<1.1, p>.38). The adductor longus, sartiorius and rectus femoris muscles showed little loss of muscle volume during bed-rest (F<1.7, p>.15). CONCLUSIONS: The countermeasure exercise programme was effective in reducing atrophy in the extensors of the knee and ankle but not the hamstrings.

History

Journal

Journal of musculoskeletal and neuronal interactions

Volume

9

Pagination

225-235

Location

Kifissia, Greece

ISSN

1108-7161

Language

eng

Publication classification

C Journal article, C1.1 Refereed article in a scholarly journal

Copyright notice

2009, International Society of Musculoskeletal and Neuronal Interactions

Issue

4

Publisher

International Society of Musculoskeletal and Neuronal Interactions