A dermatome is an area of skin supplied by a particular spinal nerve. When you lose feeling in particular areas of skin, the loss of function can be linked to these spinal nerves. For instance, numbness on the pinky (medial) side of your arm in the area h
The anterior muscles of the neck facilitate swallowing and speech. The suprahyoid muscles originate from above the hyoid bone in the chin region. The infrahyoid muscles originate below the hyoid bone in the lower neck.
Extensor carpi ulnaris ORIGINATES from the lateral epicondyle of the humerus and posterior border of the ulna, and crosses the forearm to the ulnar (medial) side to INSERT at the base of the metacarpal. It extends the wrist, but when acting alon