Latissimus Dorsi Pullover: Quick review, the latissimus dorsi is responsible for extension, adduction and internal rotation of the arm. It covers most of the back to attach at the top front humerus (crest of lesser tuberosity). Pullover allows for eccentric muscle contraction as you bring the resistance overhead through flexion, more when you cross the midline. Concentric muscle contraction occurs as you bring the resistance back on top. Since the muscle also attaches to the scapula (inferior angle), you would want to spread it out (protract) as you move the resistance overhead. Brace your hip hard on the supporting surface with a little torque opposing the direction of the pull considering the iliac crest attachment of the muscle.
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