Week 101 Flashcards

1
Q

Injury to radial nerve

A
  • Triceps LOF (reflex)
  • Arm extension LOF
  • Brachioradialis LOF (reflex)
  • Wrist drop
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2
Q

Injury to median nerve

A

SUPRACONDYLE OF THE HUMERUS

  • Loss of pronation
  • Loss of wrist flexion
  • Loss of finger flexion
  • Thenar atrophy
  • Loss of several thumb movements
  • Lateral 3.5 fingers
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3
Q

Injury to ulnar nerve

A

MEDIAL EPICONDYLE of the humerus

  • Impaired wrist flexion
  • Medial 1.5 fingers and medial palm
  • Wrist adduction loss
  • Thumb ADDuction loss
  • Ulnar 2 fingers adduction loss
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4
Q

Axillary nerve injury

A

SURGICAL NECK OF HUMERUS or ANTERIOR SHOULDER DISLOCATION

  • Regimental badge area
  • Deltoid loss of function
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5
Q

Musculocutaneous nerve injury

A
  • Biceps reflex / LOF
  • Corachobrachialis LOF (extension of shoulder)
  • Brachialis LOF (supination)
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6
Q

Winged scapula

A
  • Long thoracic nerve / serratus anterior injury
  • Surgery usually e.g. mastectomy error
  • Damage to serratus anterior

Unable to abduct higher than horizontal

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7
Q

Claw hand with pinky and ring contracted

A

Ulnar nerve injury

  • pinky and ring contracted
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8
Q

Common places for ulnar nerve injury?

A

Medial epicondyle of humerus

Guyon’s canal (pisciform, hook of hamate and several ligaments and muscles)

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9
Q

Radial nerve injury - specific term

A

Saturday night palsy

  • Wrist drop
  • Numbness in anatomical snuff box
  • LOF of extensors of arm
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10
Q

Erb duchenne palsy

A

C5 and C6 injury - resolves spontaneously in 90%… worse prognosis with more extensive lesions

Abduction of arm loss
Lateral rotation of arm loss
Biceps function loss - pronation

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11
Q

Klumpke’s palsy

A

C8 and T1 injury (lower trunk)

  • Cervical rib
  • Thoracic outlet syndrome
  • Horner’s
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12
Q

Thoracic outlet syndrome

A

Compression of C8/T1 in the thoracic outlet (ant/middle scalenes, first rib and clavicle)

  • Atrophy of thenars and hypothenars
  • Interossei atrophy
  • Disappearance of radial pulse when you move head to radial side
  • Horner’s
  • Sensory deficit on medial of forearm and hand
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13
Q

Nurse maids elbow

A

Radial head subluxation injures deep radial nerve

  • Weakness or paralysis of forearm extensors

Elbow pronated and flexed

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14
Q

Horner’s

A

Ptosis
Miosis
Enopthalmos

C8-T1 injury

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15
Q

Loss of sensation of MC nerve injury

A
  • Lateral forearm
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16
Q

Knee reflex

A

L3L4 clean the floor

17
Q

Biceps reflex

A

C5

18
Q

Brachioradialis reflex

A

C6

19
Q

Triceps reflex

A

C7

20
Q

Ankle reflex

A

S1 S2 buckle my shoe