Technique: • Stand straight • Extend your arm outwards and bend it at a 90 degree angle • Place a broomstick in your hand and behind your elbow • With your other hand pull the bottom of the broomstick forward   Primary muscles: Pectoralis major. Subscapularis. Teres major. Secondary muscles: Pectoralis minor. Anterior deltoid.   Injury where stretch may be useful: Dislocation. Subluxation. Acromioclavicular separation. Sternoclavicular separation. Impingement syndrome. Rotator cuff tendonitis. Shoulder bursitis. Frozen shoulder (adhesive capsulitis).   Note: The rotator cuff muscles of the shoulder are often very tight. Perform this stretch very slowly and with...