WebJun 17, 2024 · Rotator cuff consists of 4 muscles abbreviated in the word "SITS": Supraspinatus muscle, Infraspinatus muscle, Teres minor muscle and Subscapularis muscle. ... Medially rotates the arm and adducts it; and helps to hold humeral head in glenoid cavity of scapula. WebFIGURE 23.4 Rotator cuff muscles: (a) anterior view; (b) posterior view; (c) lateral view. Some regional bones, features, and ... and costal Intertubercular sulcus of Flexes, adducts, and Pectoral nerves cartilages of ribs 1-7 humerus rotates arm medially (medial and lateral) Latissimus dorsi Spinous processes of lumbar Intertubercular ...
Rotator cuff injury - Symptoms and causes - Mayo Clinic
WebJun 29, 2024 · A muscle of the medial thigh that originates on the pubis. It inserts onto the linea aspera of the femur. It adducts, flexes, and rotates the thigh medially. It is controlled by the obturator nerve. It pulls the leg toward the body’s midline (i.e. adduction) Biceps brachii. An upper arm muscle composed of 2 parts, a long head and a short head. WebThe rotator cuff tendons attach to the deep rotator cuff muscles. These 4 muscles are involved in raising the arm from the side and rotating the shoulder in the many directions. The rotator cuff mechanism also helps keep the shoulder joint stable by holding the humeral head in the glenoid socket. The supraspinatus muscle originates and sits in ... clothiers creek road flooding
Regenesis Rotator Cuff 101 - LinkedIn
WebMuscles That Move the Humerus. Similar to the muscles that position the pectoral girdle, muscles that cross the shoulder joint and move the humerus bone of the arm include both axial and scapular muscles (Figure 11.23 and Figure 11.24).The two axial muscles are the pectoralis major and the latissimus dorsi. WebThe rotator cuff muscles also function to compress the glenohumeral joint and act to reduce or control vertical shear imparted onto the humeral head. 76, 77 The infraspinatus is considered the next most active rotator cuff muscle, after the supraspinatus. 78-80 Selective nerve blocks have shown that the supraspinatus and infraspinatus muscles are … WebMay 15, 2024 · The teres minor is deep to the deltoid muscle. Function. As a rotator cuff muscle, the teres minor stabilizes the ball-and-socket glenohumeral joint by helping hold … byrne brothers maryborough