Lab Practical 2 Spinal Nerves

C3-C5, Sole motor nerve supply for diaphragm

C5-C6, Skin and muscle of deltoid and teres minor

C5-T1, Innervates the posterior muscles and skin of the arm and forearm

C5-C7, innervates forearm flexors (on anterior) and some anterior forearm skin

C8-T1, innervates wrist/hand flexors and the skin of the medial third of the hand

C5-C7 and C8-T1, innervates wrist/hand flexors of anterior forearm and medial palm, and the ventral skin of the lateral 2/3 of the hand (lateral palms)

L2-L4, innervates adductor Magnus and the muscles of the medial thigh, skin superomedial to the knee

L2 - L4, innervates anteromedial thigh and medial skin of lower limbs

L4-S3, Composed of Tibial and Common Fibular Branches

L4-S3, innervates muscles of posterior thighs (hamstrings), leg and foot, skin of posterior calf

L4-S2, innervates the muscles of the lateral leg and toe extensors, and the skin of lateral calf and dorsum of the foot

C1-C5, contains the phrenic nerve

L4-S4, Contains the sciatic nerve (Tibial and Common Fibular branch)

C5-T1, contains the axillary, radial, median, musculocutenous, and ulnar nerves

arises from L1-L4, contains the obturator and femoral nerves

the collection of nerve roots in the lower lumbar vertebrae and sacrum that associate with the lumbosacral plexus (lumbar and sacral plexi)