Week 101 Flashcards
Injury to radial nerve
- Triceps LOF (reflex)
- Arm extension LOF
- Brachioradialis LOF (reflex)
- Wrist drop
Injury to median nerve
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
Injury to ulnar nerve
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
Axillary nerve injury
SURGICAL NECK OF HUMERUS or ANTERIOR SHOULDER DISLOCATION
- Regimental badge area
- Deltoid loss of function
Musculocutaneous nerve injury
- Biceps reflex / LOF
- Corachobrachialis LOF (extension of shoulder)
- Brachialis LOF (supination)
Winged scapula
- Long thoracic nerve / serratus anterior injury
- Surgery usually e.g. mastectomy error
- Damage to serratus anterior
Unable to abduct higher than horizontal
Claw hand with pinky and ring contracted
Ulnar nerve injury
- pinky and ring contracted
Common places for ulnar nerve injury?
Medial epicondyle of humerus
Guyon’s canal (pisciform, hook of hamate and several ligaments and muscles)
Radial nerve injury - specific term
Saturday night palsy
- Wrist drop
- Numbness in anatomical snuff box
- LOF of extensors of arm
Erb duchenne palsy
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
Klumpke’s palsy
C8 and T1 injury (lower trunk)
- Cervical rib
- Thoracic outlet syndrome
- Horner’s
Thoracic outlet syndrome
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
Nurse maids elbow
Radial head subluxation injures deep radial nerve
- Weakness or paralysis of forearm extensors
Elbow pronated and flexed
Horner’s
Ptosis
Miosis
Enopthalmos
C8-T1 injury
Loss of sensation of MC nerve injury
- Lateral forearm