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

Angus Hunter, Stuart Galloway, Iain Smith, Jamie Tallent, Massimiliano Ditroilo, Malcolm Fairweather, Glyn Howatson

Research output: Contribution to journalArticlepeer-review

85 Citations (Scopus)


Exerciseinducedmuscledamage (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 eccentricelbow flexions to achieve EIMD on the non- dominant arm and used the dominant elbowflexor 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 muscledamage from impaired muscle function and its recovery following EIMD.
Original languageEnglish
Pages (from-to)334-341
JournalJournal of Electromyography and Kinesiology
Issue number3
Publication statusPublished - Jun 2012


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