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Related Experiment Videos

Electrodiagnostic localization of traumatic upper trunk brachial plexopathy.

M Di Benedetto, K Markey

    Archives of Physical Medicine and Rehabilitation
    |January 1, 1984
    PubMed
    Summary

    Football players experiencing brachial plexopathy, or "stingers," often show nerve conduction slowing. This study suggests ill-fitting shoulder pads compress the brachial plexus, causing these common football injuries.

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    Area of Science:

    • Neuroscience
    • Sports Medicine
    • Electrophysiology

    Background:

    • Traumatic upper trunk brachial plexopathy, known as
    • is a frequent football injury.
    • Electrodiagnostic investigations are crucial for understanding nerve injuries in athletes.

    Purpose of the Study:

    • To electrodiagnostically investigate brachial plexopathy in football players.
    • To identify the specific nerve segments affected and potential causes of these injuries.

    Main Methods:

    • Electrodiagnostic testing of 18 patients with traumatic upper trunk brachial plexopathy.
    • Stimulation at the supraclavicular fossa, C5 root, and lateral posterior triangle.
    • Recording from multiple upper limb and shoulder girdle muscles, including median and ulnar nerves.

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    Main Results:

    • Conduction slowing observed in proximal segments of axillary, musculocutaneous, suprascapular, and accessory nerves in 16 patients.
    • Common electromyographic findings included increased polyphasic waves and decreased recruitment.
    • Abnormalities likely stem from brachial plexus compression at Erb's point, possibly due to shoulder pads.

    Conclusions:

    • Ill-fitting shoulder pads are suggested as a significant etiologic factor for brachial plexopathy in football.
    • Improved shoulder gear correlated with a decrease in " " incidence.
    • Findings support the hypothesis of external compression at Erb's point as the primary mechanism.