Supraspinatus muscle

a torn rotator cuff. After reading this, hopefully you will have a better understanding of the rotator cuff tear and repair. Let us begin with the anatomy of the rotator cuff. It is comprised of a group of muscles…

The supraspinatus is one of the four muscles that make up the rotator cuff in the shoulder. The body of the tendon lies along the supraspinous fossa of the scapula and attaches laterally to the humeral head. Its purpose is to withstand the inferior gravitational exertions set over the shoulder joint due to the downward pull of the weight of the upper limb. Not only that, but the supraspinatus also helps the shoulder joint stay in place. The supraspinatus muscle is primarily used for abduction.…

of three bones: the clavicle (collarbone), the scapula (shoulder blade), and the humerus (upper arm bone) as well as associated muscles, ligaments and tendons. The rotator cuff is a group of muscles and their tendons that act to stabilize the shoulder. The four muscles of the rotator cuff are over half of the seven scapulohumeral muscles. The four muscles are the supraspinatus muscle, the infraspinatus muscle, teres minor muscle, and the subscapularis muscle. The supraspinatus muscle fans out…

remains stationary against the ribcage if the movement only occurs at glenohumeral joint. As shoulder abduction continues, the inferior angle of the scapula begins to shift upwards as it undergoes superior angle rotation. Hence this bring about for every 2 degrees of glenohumeral joint moves, 1 degree of scapulathoracic moves from this point. When the upper extremity moves abduction on the 90 degrees, the upper glenohumeral joint contributes 40 degrees for a total of 70 degrees while the…

study. The prior approved standard assessment format was assessed thoroughly. Under the guidance and supervision of a shoulder rehabilitation physical therapist, at the end of 6 weeks, a post intervention assessment was done for each of the subjects where in parameters including pain, tenderness, range of motion, muscle strength and the Shoulder Pain and Disability Index (SPADI) were evaluated. Pre intervention baseline measures, which were assessed at week 1 for all the 6 subjects, were…

Nine muscles insert on and move the humerus. First, the pectoralis major originates on the medial half of the clavicle, one side of the sternum, on the costal cartilage (1-7) and the aponeurosis of the external oblique. It inserts on lateral lip of the intertubercular groove of the humerus. The pectorals major flexes, medially rotates and adducts the humerus. Second, the deltoid originates from the lateral half part of the clavicle (anterior fibers), the acromion of the scapula (lateral fibers)…

complicated groups of muscles, tendons, ligaments, and bursae all involved in humeral and scapular kinematics (Terry & Chopp, 2000). Regular use of the arms can result in fatigue of shoulder musculature, which could lead to altered scapular kinematics during humeral elevation (Tsai, McClure, & Karduna, 2003). These changes in scapular kinematics can potentially lead to shoulder problems such as impingement syndrome, rotator cuff tears, and glenohumeral instability (Ebaugh, McClure, & Karduna,…

UConn Health Center says that there are 6 phases the body must go through. Phase 1 is the wind-up. This is where your knee comes up and stores potential energy. Phase 2 is the stride. This is where you reach the foot forward and make contact with the ground to change the potential energy into mechanical energy. Phase 3 is the cocking of the arm to reach maximum external rotation of the shoulder. This is done to reach maximum power and the foot that was planted in phase 2 begins action of the…

The proximal origin of the muscle is on the spinous processes of thoracic vertebrae 7–12, the thoracolumbar fascia, the iliac crest, and the lower ribs (Figure14). The tendon is attached to the humerus anteriorly floor of bicipital groove. The tendon is either wing-like or quadrilateral. Most of the deep surface of the tendon of the latissimus dorsi is separated from the underlying tendon of the teres major muscle by a bursa. The latissimus dorsi has several different functions, all of which…

Rotator Cuff Tear The primary function of the rotator cuff is to allow you to raise your arms forward and away from your body up and over your head. It also enables us to perform movements like throwing and catching a ball. The rotator cuff is a group of tendons and muscles in the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula). But in order for our rotator cuff to perform these tasks and movements, there are four muscles that must work together to achieve this.…