Spinal Nerve Muscle Innervation Flashcards
0
Q
C5-6
A
Forearm flexors (biceps brachii, brachioradialis) forearm pronators
1
Q
C5
A
Upper extremity abductors (deltoid, biceps brachii)
2
Q
C7
A
Forearm extensor (triceps brachii)
Wrist extensor
Finger extensor
3
Q
C8/T1
A
Intrinsic hand muscles
4
Q
L2
A
Thigh flexion (Iliopsoas)
5
Q
L3/4
A
Leg extension (quadriceps)
6
Q
L4/5
A
Foot dorsiflexors, toe extensors (anterior tibial muscles)
7
Q
S1/2
A
Foot plantar flexors/toe flexors (Posterior tibial muscles)
8
Q
S2/3/4
A
Anal contraction