Anatomy and nerves Flashcards
(30 cards)
Dorsiflexion of foot and eversion. Sensation on lateral aspect of thigh. Nerve and root?
Common peroneal nerve
L4-S2
Ankle dorsiflexion - nerve root?
L4
Ankle plantar flexion - nerve root?
L5 S1
Foot eversion - nerve root?
S1
Foot inversion - nerve root?
L5
Great toe dorsiflexion - nerve root?
L5
Ankle plantarflexion - nerve root?
S1, S2
Ankle jerk - nerve root?
S1
Hip flexion - nerve root?
L1/L2
Anatomy of swan neck deformity
PIP hyperextension
DIP flexion
Anatomy of boutonniere’s deformity
PIP flexion
DIP extension
Muscles supplied by median nerve
LOAF
- Lateral two lumbricals
- Opponens pollicis
- Abductor pollicis brevis
- Flexor pollicis brevis
What is the adductor pollicis innervated by?
Ulnar nerve
Muscles affected in De Quervain’s tenosynovitis?
Extensor pollicis brevis
Abductor pollicis longus
L3 nerve root compression features
Sensory loss over anterior thigh
Weak quadriceps
Reduced knee reflex
Positive femoral stretch test
L4 nerve root compression features
Sensory loss anterior aspect of knee
Weak quadriceps
Reduced knee reflex
Positive femoral stretch test
L5 nerve root compression
Sensory loss dorsum of foot
Weakness in foot and big toe dorsiflexion
Reflexes intact
Positive sciatic nerve stretch test
S1 nerve root compression
Sensory loss posterolateral aspect of leg and lateral aspect of foot
Weakness in plantar flexion of foot
Reduced ankle reflex
Positive sciatic nerve stretch test
Numb chevron - what nerve?
Axillary nerve
Elbow dislocation causing nerve damage - what would you see and what nerve?
Claw hand, ulnar
Waiter’s tip deformity - what nerve roots?
C5/6
Posterior hip location causing nerve damage - what would you see and what nerve?
Sciatic nerve damage, foot drop
Fibula neck fracture causing nerve damage - what would you see and what nerve?
Common Peroneal nerve - foot drop
Knee dislocation causing nerve damage - what would you see and what nerve?
Common Peroneal nerve - foot drop
