Opens in a new tab
Chrome Extension
Home › Body Atlas › Clinical Maps
Body Atlas, Clinical Map Reference

Clinical Maps

Dermatomes, myotomes and reflexes: which nerve root does what, how each is tested, and what changes point to.

59 clinical maps
59 clinical maps
Clinical Map Abdominal Reflexes Reflexus abdominales Abdomen The abdominal reflexes are superficial reflexes in which a light stroke across the skin of each…
Clinical Map Achilles Reflex Reflexus tendinis calcanei Foot & Ankle The Achilles reflex, also called the ankle reflex or ankle jerk, is a stretch reflex in…
Clinical Map Anal Wink Reflex Reflexus analis Pelvis & Hip The anal wink is a superficial reflex in which a light scratch or pinprick of the…
Clinical Map Biceps Reflex Reflexus bicipitalis Upper Arm The biceps reflex is a stretch reflex in which a tap on the biceps tendon makes…
Clinical Map Brachioradialis Reflex Reflexus brachioradialis Forearm The brachioradialis reflex, also called the supinator reflex, is a stretch reflex in which a tap…
Clinical Map Bulbocavernosus Reflex Reflexus bulbocavernosus Pelvis & Hip The bulbocavernosus reflex is a contraction of the anal sphincter and bulbospongiosus muscle when the glans…
Clinical Map C1-C2 Myotome Myotoma C1-C2 Neck The C1-C2 myotome covers the deep muscles that bend and nod the head on the upper…
Clinical Map C2 Dermatome Dermatoma C2 Head & Skull The C2 dermatome covers the back of the scalp from the occiput up toward the vertex,…
Clinical Map C3 Dermatome Dermatoma C3 Neck The C3 dermatome forms a collar over the upper and middle neck, front and back, below…
Clinical Map C3 Myotome Myotoma C3 Neck The C3 myotome mainly supplies neck muscles that bend the head to the side and helps…
Clinical Map C4 Dermatome Dermatoma C4 Shoulder The C4 dermatome is a cape-like area over the lower neck, the top of the shoulder…
Clinical Map C4 Myotome Myotoma C4 Shoulder The C4 myotome is tested by shrugging the shoulders, an action of the upper trapezius and…
Clinical Map C5 Dermatome Dermatoma C5 Upper Arm The C5 dermatome runs down the lateral (outer) side of the upper arm, over the deltoid…
Clinical Map C5 Myotome Myotoma C5 Upper Arm The C5 myotome is tested by elbow flexion, the ISNCSCI key muscle for C5, and also…
Clinical Map C6 Dermatome Dermatoma C6 Forearm The C6 dermatome covers the lateral forearm, the thumb and usually part of the index finger.…
Clinical Map C6 Myotome Myotoma C6 Forearm The C6 myotome is tested by wrist extension, the ISNCSCI key movement for C6, using extensor…
Clinical Map C7 Dermatome Dermatoma C7 Hand & Wrist The C7 dermatome centres on the middle finger, front and back, and runs as a narrow…
Clinical Map C7 Myotome Myotoma C7 Upper Arm The C7 myotome is tested by elbow extension, the ISNCSCI key movement for C7, through the…
Clinical Map C8 Dermatome Dermatoma C8 Hand & Wrist The C8 dermatome covers the little finger, the ulnar (inner) side of the hand and the…
Clinical Map C8 Myotome Myotoma C8 Forearm The C8 myotome is tested by finger flexion, the ISNCSCI key movement for C8, measured at…
Clinical Map Corneal Reflex Reflexus cornealis Head & Skull The corneal reflex is a protective blink when the cornea is touched. The sensory signal travels…
Clinical Map Cremasteric Reflex Reflexus cremastericus Pelvis & Hip The cremasteric reflex is a superficial reflex in males in which stroking the skin of the…
Clinical Map Finger Flexor Reflex (Hoffmann Sign) Reflexus flexorum digitorum Hand & Wrist The finger flexor reflex is a stretch reflex of the long finger flexors, mainly testing C8.…
Clinical Map Gag Reflex Reflexus pharyngeus Neck The gag reflex is a contraction of the pharyngeal muscles and elevation of the soft palate…
123

This website uses cookies to enhance your browsing experience and ensure the site functions properly. By continuing to use this site, you acknowledge and accept our use of cookies.

Accept All Accept Required Only