MSK- Pelvic Girdle & LE Muscles/Innervation

Question 1

Hip flexion

Answer 1

Muscle: psoas major
Myotome: L2
Nerve: anterior rami

Question 2

Hip flexion, abduction, lateral rotation

Answer 2

Muscle: Sartorius
Myotome: L2
Nerve: femoral

Question 3

Knee extension

Answer 3

Muscle: quadriceps femoris
Myotome: L3, Reflexes: L4
Nerve: femoral

Question 4

Hip adduction

Answer 4

Muscles: adductor magnus, longus, brevis
Nerve: obturator
Cord: C2-3

Question 5

Hip abduction, flexion, medial rotation

Answer 5

Muscle: gluteus med, min
Myotome: L5
Nerve: superior gluteal

Question 6

Hip flexion, abduction, medial rotation

Answer 6

Muscle: TFL
Nerve: superior gluteal

Question 7

Hip lateral rotation

Answer 7

Muscle: piriformis
Nerve: nerve to piriformis

Question 8

Hip extension, lateral rotation

Answer 8

Muscle; glute max
Nerve: inferior gluteal

Question 9

Hip lateral rotation

Answer 9

Muscle: gemelli, quadratus femoris
Nerve: sacral plexu s

Question 10

Hip extension, knee flexion, leg lateral rotation

Answer 10

Muscle: biceps femoris
Nerves: tibial, common fibular

Question 11

Hip extension, knee flexion

Answer 11

Muscle: Semitendinosus
Nerve: tibial

Question 12

Leg medial rotation

Answer 12

Muscle: Semimembranosus
Nerve: tibial

Question 13

Ankle dorsiflexion

Answer 13

Muscle; tibialis anterior
Myotome: L4
Nerve: deep fibular

Question 14

Great toe MTP extension

Answer 14

Muscle; extensor hallucis longus
Myotome: L5
Nerve: deep fibular

Question 15

Foot eversion

Answer 15

Muscle: Fibularis longus/brevis
Myotome: S1
Nerve: superficial fibular

Question 16

Foot inversion

Answer 16

Muscle; tibialis posterior
Nerve: tibial

Question 17

Ankle plantarflexion

Answer 17

Muscle: gastroc, soleus
Nerve: tibial

Question 18

Pelvic floor control

Answer 18

Muscles: perineal and sphincters
Nerve: sacral plexus