Brachial Plexus and injury Flashcards

1
Q

Klumpke’s Palsy affects what nerves and presents how?

A
  • Sensory: medial aspect of upper limb deficit
  • Motor Loss: finger movement, forearm pronation, wrist/finger extension, wrist/finger flexion.
  • Damage C8/T1
  • claw hand presentation
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2
Q

Radial Nerve injury or C5-T1 injury causes what?

A
  • wrist drop
  • affect extensor compartment
  • occur from humerus mid shaft fracture
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3
Q

Axillary nerve Damage c5/c6 presents how, and can occur from what?

A
  • deltoid and teres muscle function loss.
  • weak rotation and abduction
  • Fx to humeral surgical neck
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4
Q

Injury to long thoracic nerve c5,c6,c7 affects what muscles and results in what condition?

A
  • serratus anterior resulting in winged scapula

- unable to raise arms past 90 degrees

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5
Q

Injury to Ulnar nerve C7, C8, T1 can cause what loss of funciton?

A
  • damage to flexors of wrist, digits, intrinsic hand muscles.
  • loss of Ab/ Adduction of fingers
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6
Q

Injury to Median Nerve C6-T1 nerve roots.

Can occur by what methods, and what are affected?

A
  • fx above humeral condyles, slashed wrist, carpal tunnel syndrome.
  • flexors of wrist and digits, intrinsic hand muscles
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7
Q

Pope’s Blessing is a result of what?

A
  • damage to median nerve C6-T1.
  • 2nd, 3rd digits remain extended during attempt to contract.
  • paresthesia along median nerve
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8
Q

Ape Hand occurs with what nerve damage?

A
  • loss of thenar opposition

- MEdian nerve damage C6-T1

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9
Q

What is affected by Erb’s Palsy? The sensory and motor deficits specifically?

A

Sensory: lateral aspect of upper limb
Motor: arm abduction loss, elbow flexion, forearm supination, weak wrist extension
- affects C5/C6 spinal nerve roots

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10
Q

The base boundary of the Axilla is formed by what?

A

-skin, superficial fascia, serratus anterior, latissimus dorsi, teres major, pectoralis major

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11
Q

What are the anterior boundaries of teh axilla?

A
  • clavicle
  • subclavius muscle
  • pec major/minor
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12
Q

What are the boundaries of the posterior wall of the axilla?

A
  • scapula
  • subscapularis
  • latissimus dorsi
  • teres major
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13
Q

What lateral structures for the axilla boundary?

A
  • intertubercular sulcus
  • long head of biceps tendon
  • coracobrachialis tendon
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