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Task-Dependent Properties Of The Human Anconeus Muscle, Brad Harwood

Electronic Thesis and Dissertation Repository

Recording motor unit (MU) action potentials during fast muscle contractions, specifically during movement, presents unique challenges that constrain the investigation of the upper limits of human MU performance. The anconeus muscle exhibits many advantageous characteristics that suggest it is an appealing model for the study of MU behaviour in challenging experiment paradigms. Thus, the purpose was to determine the MU recruitment and discharge properties associated with the generation of movement up to maximal angular velocities of elbow extension and to determine the effect of submaximal fatiguing movements on these MU properties. Due to the synergistic nature of the anconeus in …