UBC Graduate Research

Is the Decrease in Maximal Voluntary Contraction Following Tibalis Anterior Tendon Vibration Accompanied by a Disruption in Excitation Contraction Coupling? Cornish, Lisa; Feige, Victoria (Tori); Guenter, Adriana; Kliewer, Christina; Mellis, Emily


Individuals utilizing equipment with vibratory elements demonstrate increased musculoskeletal and neurovascular impairments related to reduced strength and muscle fatigue. However, the reduced MVC may also be due to the disruption in E-C coupling. E-C coupling is ascertained in human subjects during functional activities (10 Hz) whereas maximal exercise (50 Hz) increases calcium in muscle beyond typical functional activation levels accounting for decreased E-C coupling. MPT Systematic Reviews and Research Projects.

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