MUSCLE PHYSIOLOGY – NOTES #2

Origin. Insertion. Activity. Biceps. Flexion of the Lower Arm at the Elbow. Front of Upper Arm. ... Continuous Insertion Along Acromion. Occipital Bone & all Thoracic Vertebrae. Shrugging & Overhead Lifting. ... When we straighten the elbow (extension) the triceps contract and the biceps relax. Agonist = Triceps. Antagonist = Biceps. When we ... ................
................