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Burners & Stingers

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Topic updated on 08/31/16 3:13pm
Introduction
  • Rugby Injuries: The StingerAlso known as "dead arm syndrome" or brachial plexopathy
    • refers to transient brachial plexus neuropraxia
    • can be serious if they are recurrent or long lasting
  • Epidemiology
    • common in collision sports such as football 
    • having 1 stinger increases risk of another by 3X
  • Pathoanatomy
    • neurapraxias are caused by different mechanisms including
      • traction injury
        • occurs by downward displacement of arm and bending of neck away from side of injury 
      • compression injury
        • occurs by lateral head turning toward affected side
      • direct blow
        • can cause injury with blow at Erb's point superior to the clavicle
Anatomy
  • Brachial plexus 
    • with motor and sensory innervation  
Presentation
  • Symptoms
    • unilateral tingling in arm not typically isolated to a single dermatome 
    • usually resolve quickly in 1-2 minutes
  • Physical exam
    • full cervical ROM
    • no tenderness
    • unilateral transient weakness in C5, C6 muscles (deltoid, biceps) 
    • can have positive Spurling test 
Imaging
  • Radiographs
    • usually unremarkable
    • C-spine images indicated with recurring symptoms
      • to rule out fx and cervical stenosis
  • MRI
    • indicated whenever symptoms are bilateral (inconsistent with stinger) 
      • to rule out cervical spine pathology such as herniated disc or cervical stenosis
  • EMG
    • indicated if symptoms persist after 3 weeks
      • will show abnormalities in roots, cords, trunks, and peripheral nerves
Treatment
  • Nonoperative
    • return to play
      • a player may return to play when
        • complete resolution of symptoms
        • normal strength and range of motion 
      • contraindications to return to play include
        • recurring symptoms 
          • until cervical spine xrays are obtained
  • Prevention
    • try different neck collars for football players

 

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Qbank (4 Questions)

TAG
(SBQ07.36) In college level football players with symptoms of arm numbness and tingling following contact, which of the following is an indication for a cervical MRI prior to return to play? Topic Review Topic

1. Unilateral symptoms do not resolve within 15 minutes.
2. Symptoms follow a short period of loss of conciousness.
3. Player has had unilateral symptoms on two prior occasions.
4. Transient unilateral weakness in the deltoid and biceps is present.
5. Symptoms and physical exam findings are found in both upper extremities.

PREFERRED RESPONSE ▶
TAG
(OBQ10.9) An 18-year-old football player comes off the field after sustaining a stinger to his right shoulder. Which of the following conditions must be met before he should be allowed to return to play? Topic Review Topic

1. Determine if the pain has resolved and fit the player with a protective brace
2. MRI of the right shoulder and neck showing no nerve root avulsions
3. No pain, normal sensation, demonstration of full range of motion, and 5/5 strength of the right upper extremity musculature
4. Normal sensation in the right hand over the thumb, long finger, and small finger, no residual pain, and the ability to raise the right hand above his head
5. Normal findings on an EMG of the right shoulder and arm

PREFERRED RESPONSE ▶
TAG
(OBQ04.99) A football player is diagnosed as having a "stinger" by the athletic trainer. Which of the following acute transient findings would be consistent with that diagnosis? Topic Review Topic

1. Bilateral upper extremity sensory symptoms
2. Bilateral upper extremity weakness
3. Unilateral upper and lower extremity sensory and motor symptoms
4. Unilateral upper and lower extremity weakness only
5. Unilateral upper extremity pain and weakness

PREFERRED RESPONSE ▶
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