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The teres minor (Latin teres meaning 'rounded') is a narrow, elongated muscle of the rotator cuff.The muscle originates from the lateral border and adjacent posterior surface of the corresponding right or left scapula and inserts at both the greater tubercle of the humerus and the posterior surface of the joint capsule.
Teres minor), 15. Biceps muscle. The rotator cuff is a group of muscles and their tendons that act to stabilize the human shoulder and allow for its extensive range of motion. Of the seven scapulohumeral muscles, four make up the rotator cuff. The four muscles are: supraspinatus muscle; infraspinatus muscle; teres minor muscle; subscapularis ...
A SLAP tear or SLAP lesion is an injury to the superior glenoid labrum (fibrocartilaginous rim attached around the margin of the glenoid cavity in the shoulder blade) that initiates in the back of the labrum and stretches toward the front into the attachment point of the long head of the biceps tendon.
infraspinatus, teres minor, pectoralis major, latissimus dorsi: 2 1 infraspinatus: Upper limb, Shoulder, rotator cuff, Right/left infraspinous fossa of scapula: middle facet of greater tubercle of humerus: suprascapular artery, circumflex scapular artery: suprascapular nerve: laterally rotates, adducts, and stabilises humerus
The impinged structures include the supraspinatus muscle, teres minor muscle, and the infraspinatus muscle. The Hawkins–Kennedy test is considered to be a highly sensitive test (79%) [ 3 ] and thus a positive Hawkins–Kennedy test suggests that injury is likely.
Damage to the axillary nerve affects function of the teres minor and deltoid muscles, resulting in loss of abduction of arm (from 15-90 degrees), weak flexion, extension, and rotation of shoulder as well as loss of sensation of the skin over a small part of the lateral shoulder.
The shoulder joint is initially covered by the rotator cuff muscles (subscapularis, supraspinatus, infraspinatus & teres minor) and the joint capsule (glenohumeral ligaments). Typically a single rotator cuff muscle is identified and cut to allow direct access to the shoulder joint.
The teres major attaches to the outer part of the back of the scapula, beneath the teres minor, and attaches to the upper part of the humerus. It helps with medial rotation of the humerus. [3] Muscles from the front. Muscles from the chest wall that contribute to the shoulder are: [3]