Torso TORSO Back Muscle -> Origin Muscle -> Insertion Muscle -> Nerve Muscle -> Action Chest Muscle -> Origin Muscle -> Insertion Muscle -> Nerve Muscle -> Action Abdomen Muscle -> Origin Muscle -> Insertion Muscle -> Nerve Muscle -> Action Pelvis Muscle -> Origin Muscle -> Insertion Muscle -> Nerve Muscle -> Action Perineum Muscle -> Origin Muscle -> Insertion Muscle -> Nerve Muscle -> Action
