Suprascapular neuropathy

Last revised by Sonam Vadera on 16 Feb 2024

Suprascapular neuropathy or suprascapular nerve entrapment occurs if the suprascapular nerve is compressed as it passes through the suprascapular notch or spinoglenoid notch.

Non-specific posterior shoulder pain and weakness. 

  • direct features of entrapment 3

    • nerve swelling with an increased cross-sectional diameter

    • signal changes of the nerve

    • visualization of the causative factor

  • indirect features of entrapment via features of muscle atrophy or acute denervation 3

    • supraspinatus and infraspinatus muscles: compression at the suprascapular notch

    • infraspinatus muscle only: compression at the spinoglenoid notch

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