Assessment of eccentric exercise-induced muscle damage of the elbow flexors by tensiomyography

Title
Assessment of eccentric exercise-induced muscle damage of the elbow flexors by tensiomyography
Publication Date
2012
Author(s)
Hunter, Angus M
Galloway, Stuart D R
Smith, Iain J
Tallent, Jamie
Ditroilo, Massimiliano
Fairweather, Malcolm M
Howatson, Glyn
Type of document
Journal Article
Language
en
Entity Type
Publication
Publisher
Elsevier Ltd
Place of publication
United Kingdom
DOI
10.1016/j.jelekin.2012.01.009
UNE publication id
une:16056
Abstract
Exercise induced muscle damage (EIMD) impairs maximal torque production which can cause a decline in athletic performance and/or mobility. EIMD is commonly assessed by using maximal voluntary contraction (MVC), creatine kinase (CK) and muscle soreness. We propose as an additional technique, tensiomyography (TMG), recently introduced to measure mechanical and muscle contractile characteristics. The purpose of this study was to determine the validity of TMG in detecting changes in maximal torque following EIMD. Nineteen participants performed eccentric elbow flexions to achieve EIMD on the non- dominant arm and used the dominant elbow flexor as a control. TMG parameters, MVC and rate of torque development (RTD) were measured prior to EIMD and repeated for another six consecutive days. Creatine kinase, muscle soreness and limb girth were also measured during this period. Twenty four hours after inducing EIMD, MVC torque, RTD and TMG maximal displacement had significantly (p < 0.01) declined by 37%, 44% and 31%, respectively. By day 6 MVC, RTD and TMG recovered to 12%, 24% and 17% of respective pre-EIMD values. In conclusion, as hypothesised TMG maximal displacement significantly followed other standard EIMD responses. This could therefore be useful in detecting muscle damage from impaired muscle function and its recovery following EIMD.
Link
Citation
Journal of Electromyography and Kinesiology, 22(3), p. 334-341
ISSN
1873-5711
1050-6411
Start page
334
End page
341

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