Supinator muscle #muscle #anatomy | Dr. Ishtiaque Arafat

Supinator - Origin, Insertion, Action, 3D Model | AnatomyZone

Biceps brachii muscle

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In order for the biceps to contribute to supination without flexing the elbow, something has to counter the elbow flexion. In this case that is the triceps. The triceps engaged to match the flexion forces to hold a static elbow angle while supination is performed. Recruitment of the supinator muscle which I can’t measure with our sEMG and would need internal wires, would likely be preferentially recruited in this exercise relative to the biceps, but at higher intensities and closer to failure th