Lab 5 (Part 2: Nerves Arising From Plexuses)

Question 1

What MUSCLE does the AXILLARY NERVE innervate?
(use lab package to verify location)
originates from CERVICAL PLEXUS

Answer 1

The DELTOID MUSCLE, skin of shoulder

Question 2

What MUSCLE does the MUSCULACUTANEOUS NERVE innervate?
(use lab package to verify location)
originates from CERVICAL PLEXUS

Answer 2

The BICEPS BRACHII, lateral surface of forearm

Question 3

What MUSCLE does the ULNAR NERVE innervate?
(use lab package to verify location)
originates from CERVICAL PLEXUS

Answer 3

The WRIST and FINGER FLEXORS, medial surface of hand

Question 4

What MUSCLE does the MEDIAN NERVE innervate?
(use lab package to verify location)
originates from CERVICAL PLEXUS

Answer 4

The WRIST and FINGER FLEXORS, anterolateral surface of hand

Question 5

What MUSCLE does the RADIA NERVE innervate?
(use lab package to verify location)
originates from CERVICAL PLEXUS

Answer 5

The TRICEPS BRACHII, WRIST and FINGER EXTENSORS, posterolateral surface of arm, forearm, and hand

Question 6

What MUSCLE does the PHRENIC NERVE innervate?
(use lab package to verify location)
originates from CERVICAL PLEXUS

Answer 6

The DIAPHRAGM, C3- chest?

Question 7

What MUSCLE does the FEMORAL NERVE innervate?
(use lab package to verify location)
originates from LUMBAR PLEXUS

Answer 7

The QUADRACEPS GROUP, sartorius skin of anteromedial thigh, medial leg and foot

Question 8

What MUSCLE does the OBTURATOR NERVE innervate?
(use lab package to verify location)
originates from LUMBAR PLEXUS

Answer 8

The ADDUCTOR GROUP, skin of medial thigh

Question 9

What MUSCLE does the SUPERIOR GLUTEAL NERVE innervate?
(use lab package to verify location)
originates from SACRAL PLEXUS

Answer 9

The GLUTEUS MEDIUS, GLUTEUS MINIMUS, tensor fasciae latae

Question 10

What MUSCLE does the INFERIOR GLUTEAL NERVE innervate?
(use lab package to verify location)
originates from SACRAL PLEXUS

Answer 10

The GLUTEUS MAXIMUS

Question 11

What MUSCLE does the PUDENDAL NERVE innervate?
(use lab package to verify location)
originates from SACRAL PLEXUS

Answer 11

The ANAL SPHINCTER, URETHRAL SPHINCTER, PELVIC FLOOR MUSCLES, external genitalia

Question 12

What MUSCLE does the SCIATIC NERVE innervate?
(use lab package to verify location)
originates from SACRAL PLEXUS

Answer 12

With it’s 2 branches, innervates HAMSTRING GROUP, skin of posterior thigh

Question 13

What MUSCLE does the COMMON FIBULAR (PERONEAL) NERVE innervate?
(use lab package to verify location)
originates from SACRAL PLEXUS

Answer 13

The TIBIALIS ANTERIOR, skin of anterior leg, dorsolateral foot

Question 14

What MUSCLE does the TIBIAL NERVE innervate?
(use lab package to verify location)
originates from SACRAL PLEXUS

Answer 14

The GASTROCHEMIUS, SOLEUS, skin of posterior leg, plantar region