LE Innervations and actions

Question 1

Lumbar Plexus

Answer 1

1. Psoas Major
2. Psoas Minor
3. Quadratus Lumborum

Question 2

Sacral Plexus

Answer 2

1. Piriformis
2. Superior Gemelli
3. Inferior Gemelli
4. Obturator internus
5. Quadratus Femoris

Question 3

Inferior Gluteal Nerve

Answer 3

1. Gluteus Maximus

Question 4

Superior Gluteal Nerve

Answer 4

1. Glut Med
2. Glut Min
3. Tensor Fasciae Latae

Question 5

Femoral Nerve

Answer 5

1-3. Vastus Lateralis, medials, intermedius

4. Rectus Femoris
5. Iliacus
6. Sartorius
7. Pectineus

Question 6

Obturator Nerve

Answer 6

1-3. Adductor longus, brevis, magnus

4. Obturator externus
5. Gracilis

Question 7

Tibial Nerve

Answer 7

1-2. Soleus & Gastroc
3. Popliteus
4. Plantaris
5. Tibialis Posterior
6-7. Flexor Hallucis longus and digitorum longus

Question 8

Sciatic Nerve (Tibial Division)

Answer 8

1. Semitendinosus
2. Semimembranosus
3. Biceps Femoris (Long Head)

Question 9

Sciatic Nerve (Common peroneal division)

Answer 9

1. biceps femoris (short head)

Question 10

Deep Peroneal Nerve

Answer 10

1. Tibialis Anterior
2. extensor digitorum longus
3. extensor hallucis longus
4. peroneus tertius
5. extensor digitorum brevis

Question 11

Superficial Peronial Nerve

Answer 11

1. Peroneus longus

2. Peroneus Brevis

Question 12

Medial Plantar Nerve

Answer 12

1. Abductor Hallucis
2. Lumbrical 1
3. flexor digitorum brevis
4. flexor hallucis brevis

Question 13

Lateral Plantar Nerve

Answer 13

1. -3 abductor/flexor/opponens digiti minimi
2. dorsal interossei
3. quadratus plantae
4. adductor hallucis
5. all lumbricals (except 1)
6. plantar interossei