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Upper Extremity Rehabilitation for Traumatic Brachial Plexus Injuries

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1.  In an isolated upper trunk injury, disruption to the C5/6 trunk results in weak or absent:
  1. Finger extension
  2. Wrist flexion
  3. Elbow flexion
  4. Finger abduction
2.  In a “pan plexus injury”, nerves are avulsed at the ______ level:
  1. Root
  2. Cord
  3. Trunk
  4. Segmental
3.  Which nerve transfer might be a viable option for someone that has suffered an injury to the posterior cord of the brachial plexus to restore shoulder abduction?
  1. Triceps to Axillary
  2. FCU to Biceps
  3. Abductor digiti minimi to opponens
  4. FCR to EDC
4.  The double fascicular transfer restores:
  1. Elbow extension
  2. Wrist extension
  3. Elbow flexion
  4. Finger extension
5.  When evaluating a patient with brachial plexus injury, which objective measure would you prioritize if a joint has NO active motion or notable contraction?
  1. Grip strength
  2. Passive range of motion
  3. Manual muscle testing
  4. Dexterity
6.  You are re-evaluating a patient with ongoing recovery of triceps after posterior cord injury. They are now able to raise the arm overhead, hold for about 5 seconds, but are unable to hold against resistance or for any extended period of time. What muscle grade would you give them at this time?
  1. 2/5
  2. 4-/5
  3. 2+/5
  4. 3/5
7.  Based on the DAFRA approach to rehabilitation, motor re-education should focus on:
  1. Active donor + passive recipient in early phase
  2. Bilateral exercise as much as possible
  3. Avoidance of resistance and high intensity in early phase
  4. All of the above
8.  A finger tube would be used to prevent clawing while waiting for the return of:
  1. Intrinsic function
  2. Wrist function
  3. Radial nerve function
  4. Sensation
9.  The use of an Oval-8 orthosis after a brachialis to AIN transfer can prevent the thumb from:
  1. Flexing
  2. Hyperextending
  3. Abducting
  4. Adducting
10.  Which principle guides prioritization of orthotic/positioning needs and intervention following BPI?
  1. Sliding filament theory
  2. Length-tension relationship
  3. Sarcomere length non-uniformity theory
  4. Resting muscle paradigm

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