Suprascapular

Suprascapular is a term used in the field of anatomy to refer to structures located above the scapula, or shoulder blade. The term is most commonly used in reference to the suprascapular nerve and the suprascapular artery and vein, which serve the muscles of the shoulder.

Suprascapular Nerve

The suprascapular nerve is a nerve that provides sensation and motor function to the shoulder. It originates from the upper trunk of the brachial plexus, and it innervates the supraspinatus muscle and infraspinatus muscle, which are part of the rotator cuff.

Suprascapular Artery

The suprascapular artery is a branch of the thyrocervical trunk, which is itself a branch of the subclavian artery. It supplies blood to the supraspinatus muscle and infraspinatus muscle, as well as the capsule of the shoulder joint.

Suprascapular Vein

The suprascapular vein is a vein that drains blood from the region of the shoulder. It is a tributary of the external jugular vein.

Clinical Significance

Damage to the suprascapular nerve can result in suprascapular nerve entrapment, a condition that can cause shoulder pain and weakness. This condition is often seen in athletes who perform overhead activities, such as baseball pitchers and volleyball players.

See Also

• Scapula
• Shoulder
• Brachial plexus
• Rotator cuff

Suprascapular Resources
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