lower limb nerve lesions Flashcards
Motor supply - knee extension, thigh flexion?
Femoral nerve
Sensory supply - anterior and medial aspect of thigh, lower leg
Femoral nerve
Typical mechanism of femoral nerve injury?
Hip and pelvic fractures
Stab/ gunshot wounds
Obturator nerve - motor supply?
Thigh adduction
Sensory supply to medial thigh?
Obturator nerve
Typical mechanism of obturator nerve injury?
Anterior hip dislocation
Lateral cutaneous nerve of the thigh - motor supply?
none
Lateral cutaneous nerve to thigh provides sensory supply to?
Lateral and posterior surfaces of the thigh
Mechanism of injury - lateral cutaneous nerve of thigh injury?
compression of the nerve near ASIS - neuralgia paraesthetica
Tibial nerve = motor supply to?
Foot plantar flexion and inversion
Tibial nerve provides sensory supply to?
Sole of foot
Motor supply for foot dorsiflexion, eversion and extensor hallucinations longus?
Common peroneal nerve
Sensory supply to dorm of the foot and lower lateral part of leg?
Common peroneal nerve
Injury to common peroneal nerve?
Neck of fibula
Tightly applied lower limb plaster cast
Injury causes foot drop
Hip abduction - nerve?
Superior gluteal nerve
Sensory function of superior gluteal nerve
None
Injury - superior gluteal nerve?
Misplaced IM injection
Hip surgery
Pelvic fracture
Posterior hip dislocation
What does superior gluteal nerve injury result in?
Positive trendelenburg sign
What does inferior gluteal nerve supply motor innervation to?
Hip extension and lateral rotation
When is inferior gluteal nerve injured?
In association with sciatic nerve
What does inferior gluteal nerve injury cause?
Difficulty rising from seated position
Can’t jump
Can’t climb stairs
