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6 Cards in this Set

  • Front
  • Back
Erb duchennes palsy
- Injury to superior parts of brachial plexus
- Paralysis of the muscles of the shoulder and arm supplied by C5 and C6 (deltoid, biceps, and brachialis)
- clinical appearance is an upper limb with an adducted shoulder, medially rotated arm and extended elbow.
- Lateral aspect of the forearm also experiences some loss of sensation.
Compression of cords
- result from prolonged hyperabduction of the arm
- cords compressed between coracoid process and the pectorals minor tendon.
- Symptoms: pain radiating down arm, numbness, paresthesia, erythema and weakness of the hands.
Klumpke paralysis
- Injuries to inferior parts of brachial plexus
- less common
injuries occur when the upper limb is suddenly pulled superiorly
- short muscles of the hand are affected and result in a claw hand
- Common nerve injury resulting from trauma to the neck and shoulder during sports
- compression of the upper trunk of the brachial plexus or the fifth or sixth cervical root
- treatment is to restore range of motion
Axillary Nerve Injury
- Most common peripheral nerve injury to affect shoulder
- Most ofter seen after glenohumeral joint dislocation, proximal humerus fracture or a direct blow to the deltoid muscle
- Compression nueropathy has been reported to occur in the quadrilateral space sundrome, although the true pathophysiology is unclear
- The axillary nerve during any operative procedure involving the inferior aspect of the shoulder.
Unhappy Triad
Axillary nerve injury occurring together with shoulder dislocation and rotator cuff tear, thus compromising the unhappy triad