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The subscapularis is covered by a dense fascia which attaches to the scapula at the margins of the subscapularis' attachment (origin) on the scapula. [1] The muscle's fibers pass laterally from its origin before coalescing into a tendon of insertion. [citation needed] The tendon intermingles with the glenohumeral (shoulder) joint capsule. [1]
The lower subscapular nerve contains axons from the ventral rami of the C5 and C6 cervical spinal nerves. [2] [3] It is the third branch of the posterior cord of the brachial plexus.
These nerves are part of a group of nerves that innervate the muscles that move the scapula. The upper subscapular nerve innervates the upper portion of the subscapularis muscle. The middle subscapular nerve, known as the thoracodorsal nerve, innervates the latissimus dorsi muscle. [1] The lower subscapular nerve contains two branches.
The rotator cuff includes muscles such as the supraspinatus muscle, the infraspinatus muscle, the teres minor muscle and the subscapularis muscle. The upper arm consists of the deltoids, biceps, as well as the triceps. Steps must be taken and precautions need to be made in order for the rotator cuffs to heal properly following surgery while ...
The axons which form the upper subscapular nerve travel from the ventral rami of C5 and C6. [1] They join at the upper trunk and move through its posterior division to form the posterior cord, along with the other two posterior divisions of the middle and lower trunks. [1]
The scapulohumeral muscles are a group of seven muscles that connect the humerus to the scapula. They are amongst the muscles that act on and stabilise the glenohumeral joint in the human body. They include: coracobrachialis muscle deltoid muscle rotator cuff muscles: infraspinatus muscle subscapularis muscle supraspinatus muscle teres minor muscle teres major muscle See also Other muscles ...
The scapula is a thick, flat bone lying on the thoracic wall that provides an attachment for three groups of muscles: intrinsic, extrinsic, and stabilizing and rotating muscles. The intrinsic muscles of the scapula include the muscles of the rotator cuff—the subscapularis, teres minor, supraspinatus, and infraspinatus. [3]
It penetrates into the substance of the latissimus dorsi muscle near the lateral border of scapula. [5] It follows the course of the subscapular artery, along the posterior wall of the axilla to the latissimus dorsi muscle, [1] in which it may be traced as far as the lower border of the muscle. [citation needed]