blank spacer graphic Small Group Session I | Small Group Session II | Cadaver Autopsy Report | Charts
Radiology Resources | Demonstration ID List | Glossary of Commonly Used Anatomical Terms

Nerve Root Involvement from Herniated Disc

Root Disc Sensory Motor Reflex
C 5 C 4-5 Lateral & Anterior Arm (Axillary nerve) Deltoid, Rotator cuff Biceps
C6 C 5-6 Radial Forearm (Musculocutaneus) Dorsum of Hand (Superficial Radial) Biceps, Extensor carpi radialis longus & brevis, Brachioradialis Brachioradialis
C7 C 6-7 3rd. digit (Median & radial) Triceps, Extensor digitorum, Flexor carpi radialis Triceps
C8 C7-T1 Ulnar side of forearm, hand & 4&5th digits Med. Antebrachial cutaneous, Ulnar Flexor digitorum superficialis & profundus ***
T1 T1-2 Medial side of arm Medial Brachial Cutaneous Interossei, Lumbricals, thenar ***
L3 L2-3 Anterior & Medial Thigh (femoral) Quadriceps
L4 L3-4 Medial leg (saphenous br. of femoral n.) Tibialis anterior
Tibialis posterior
L5 L4-5 Lateral leg & dorsum of foot (common peroneal) Extensor Digitorum Longus; Gluteus medius & minimus
S1 L5-S1 Lateral & plantar surface of foot (sural; tibial) Peroneus longus & brevus; triceps surae, gluteus maximus Achilles

Content maintained by: N. Barry Berg, Ph.D., Department of Cell and Developmental Biology
Site maintained by: Nancy Dobbins, Department of Cell and Developmental Biology
All contents copyright 2000, SUNY Upstate Medical University
Last Modified: March 8, 2011