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Flashcards in Muscles + nerves Deck (4):
1

Nerve root, S + M, and cause of injury of obturator nerve

L2-4 (same as femoral) - out thru obturator foramen
S: little spot on middle medial thigh
M: hip adduction
Ant hip dislocation
Pelvic surg

2

Nerve root, S + M, and cause of injury of femoral nerve

L2-4 (same as obturator) - out under piriformis anteriorly thru greater sciatic foramen
S: lower ant thigh, knee, medial calf
M: hip flexion (psoas major) + knee extend (quad)
Pelvic frx
Mass on iliopsoas/iliacus

3

Nerve root, S + M, and cause of injury of common fibular

L4-S2 - lateral branch of sciatic nerve - will split into superficial and deep fibular nerves
S: lateral calf + top foot +
M: dorsiflex + evert + extend toes (all up)
Damage foot will be plantar + invert
Compress or fracture fibular head

4

Nerve root, S + M, and cause of injury of tibial

L4-S3 - medial branch of sciatic nerve
S: bottom foot
M: plantar flex + invert + toe flex (all down)
Trauma to knee