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How does the suprascapular nerve become entrapped?

How does the suprascapular nerve become entrapped?

Suprascapular nerve palsy results in weakness of supraspinatus and infraspinatus muscles and may be due to a number of conditions, including brachial neuritis (Parsonage–Turner syndrome), repetitive trauma in overhead sports athletes and compression of the suprascapular nerve by a posterior labral cyst that has …

What happens if the suprascapular nerve is damaged?

A suprascapular nerve injury presents as a vague shoulder pain with associated weakness in shoulder abduction and external rotation [3]. Later, the muscles of the shoulder girdle supplied by the suprascapular nerve may atrophy [3].

How do you test for suprascapular nerve entrapment?

Magnetic resonance imaging (MRI) scans can assess soft tissue causes of entrapment as well as associated pathology. Clinical suspicion from the history and physical examination should help establish a diagnosis of suprascapular neuropathy, and nerve conduction studies are used to confirm the diagnosis.

How to treat suprascapular nerve entrapment by a cyst?

We evaluated an all arthroscopic technique for treating suprascapular nerve entrapment by cyst formation in the spinoglenoid notch. Eight patients showed positive MRI and EMG findings with clinical sign of weakness and pain and with atrophy of the muscle. All patients underwent an all-arthroscopic procedure.

What causes pain in the supra scapular nerve?

Suprascapular nerve pain can sometimes be elicited by moving the shoulder backwards while the head is tilted to the opposite shoulder. Supra scapular nerve entrapment may lead to weakness and atrophy of the the rotator cuff muscles.

How is Suprascapular neuropathy used in medicine?

The term “neuropathy” is used in Medicine to indicate poor nerve function. Suprascapular neuropathy is almost always secondary to the nerve being squeezed under a cyst, or the nerve being pulled excessively while tethered. Squeezing of the nerve is commonly the consequence of a so-called paralabral ganglion cyst.

What causes compression of the suprascapular nerve in the shoulder?

Suprascapular nerve entrapment is an uncommon nerve condition in the shoulder, causing pain and weakness. It involves compression of the suprascapular nerve at the top or back of the shoulder, usually caused by a ligament, a cyst from the shoulder, or excessive stretching.