MSK lower limb

Question 1

obturator

L2-L4

Answer 1

injury:
anterior hip dislocation
iatrogenic (pelvic surgery)
sensory deficit: upper medial thigh
motor deficit: thigh adduction

Question 2

Femoral

L2-L4

Answer 2

Injury:
Pelvic fracture or mass involving iliopsoac/illiacus muscle (like a hematoma or abscess)
sensory deficit: anterior thigh, medial leg
motor deficit: flexion of thigh and extension of leg (knee buckles)

Question 3

Common peroneal

L4-S2

Answer 3

injury: fibular neck fracture or nerve compression at the fibula neck
sensory loss: anteriolater leg and dorsum of foot
motor loss: foot eversion, dorsiflection and toe extension
normal: PED

Question 4

Tibial

L4-S3

Answer 4

Injury: Trauma to knee
sensory deficit: sole of the foot
motor deficit TIP inversion, plantar flexion, to flexion, so no tiptoessss

Question 5

Superior gluteal

L4-S1

Answer 5

injury:iatrogenic (posterior hip dislocation or buttocks injection)
no sensory loss
motor deficit: thigh abduction

Question 6

inferior gluteal

L5-S2

Answer 6

injury: iatrogenic (posterior hid dislocation or buttocks injection)
no sensory loss
motor deficit: thigh extensionnnnn

Question 7

sites for intramuscular injection and damage

Answer 7

Superiormedial - risk injury to gluteal nerves
Inferomedial- risk injury to sciatic nerve
Superolateral quadrant- safe site