supraspinatus muscle

The most commonly affected tendon is that of the supraspinatus muscle.

The supraspinatus muscle initiates abduction from a fully adducted position.

The supraspinatus muscle tendon passes laterally beneath the cover of the acromion.

Contraction of the supraspinatus muscle leads to abduction of the arm at the shoulder joint.

The supraspinatus muscle fans out in a horizontal band to insert on the superior and middle facets of the greater tubercle.

It travels close to the bone, running between the scapula and the supraspinatus muscle, to which it supplies branches.

After supplying fibers to the supraspinatus muscle, it supplies articular branches to the capsule of the shoulder joint.

The supraspinatus muscle arises from the supraspinous fossa, a shallow depression in the body of the scapular above its spine.

The supraspinatus muscle is one of the musculotendinous support structures called the rotator cuff that surround and enclose the shoulder.

Another study suggested that "shneck pain" was in the nearby supraspinatus muscle and this resulted from a seemingly asymptomatic form of shoulder impingement.

The abovementioned human rotator cuff study correlates pennation angle with tear length in the supraspinatus muscle.

Other contributing muscles include the Supraspinatus muscle and biceps brachii muscle caput longum.

The length of the full-thickness tendon tear strongly correlated with an increase in the pennation angle of the supraspinatus muscle.

The spine of the scapula separates the supraspinatus muscle from the infraspinatus muscle, which originates below the spine.

The upper edge of the subscapularis tendon and anterior edge of the supraspinatus muscle, delineate a triangular space at the humeral head called the rotator interval.

The supraspinatous fascia completes the osseofibrous case in which the supraspinatus muscle is contained; it affords attachment, by its deep surface, to some of the fibers of the muscle.

The pectoralis ascendens (caudal superficial pectoral), or the subclavius, originates on the cranial side of the sternum, and inserts into the dorsal side of the supraspinatus muscle.

The next day, Pellman said, a magnetic resonance imaging exam showed that Pennington had sustained a "full thickness" tear of the supraspinatus muscle, one of four muscles that make up the rotator cuff.

It arises from the lateral border of the coracoid process, and passes obliquely downward and lateralward to the front of the greater tubercle of the humerus, blending with the tendon of the supraspinatus muscle.

Its upper surface is rounded and marked by three flat impressions: the highest of these gives insertion to the supraspinatus muscle; the middle to the infraspinatus muscle; the lowest one, and the body of the bone for about 2.5 cm.

The acromion echo extinction disappears and the wheel-like figure with almost concentric projection of the deltoid muscle, supraspinatus muscle tendon and humeral head-outline turns up as soon as the transducer is directed perpendicularly and parallel to the acromion edge.

The supraspinatus muscle is supplied by the suprascapular nerve (C5 and C6), which arises from the superior trunk of the brachial plexus and passes laterally through the posterior triangle of the neck and through the scapular notch on the superior border of the scapula.

In the supraspinatous fossa it gives off two branches to the Supraspinatus muscle, and an articular filament to the shoulder-joint; and in the infraspinatous fossa it gives off two branches to the Infraspinatous muscle, besides some filaments to the shoulder-joint and scapula.