Understanding Shoulder Depression ‘Depression is accomplished through the force of gravity and the actions of the latissimus dorsi, serratus anterior, pectoralis major and minor, and the trapezius muscles.’ From https://www.ncbi.nlm.nih.gov/books/NBK531475/ To clarify, shoulder depression = shoulder girdle depression=scapular depression We recognize that the upper limb relies on a strong and unified shoulder girdle that can move in various directions. The depression of the s