The first test was conducted with a force platform, and it measured bicep muscle strength in a carefully controlled (90 degrees of elbow flexion) maximum isometric contraction.

Elbow flexion is essentially the curling action—it's taking your forearm and flexing up." That sounds simple. But, as White explains, there are plenty of opportunities to mess up.

Axial views illustrate effects of releasing restraints on ulnar nerve (UN) and medial triceps (T) with elbow extension and flexion. Normally, at epicondylar level, triceps and ulnar nerve remain ...