Thumb Anatomy Muscle. The thumb possesses a unique and wide range of. The eyeball is a bilateral and spherical organ which houses the structures responsible for vision.
Hands Structure Function Bones Nerves Muscles Anatomy Science Online from www.online-sciences.com
The main function of the palmaris longus PL muscle is to act as an anchor for the fascia helping tense the skin covering it. The neutral position of this muscle is half way between supination and pronation elbow flexed thumb up coracobrachialis. Flexes and adducts the arm.
Branches of this nerve also supply the small muscles in the palm and the muscle that pulls the thumb toward the palm.
5th edition - W. It lies in a bony cavity within the facial skeleton known as the bony orbit. Flexes and adducts the arm. Although brachioradialis is innervated by the nerve for extensors radial its primary action is elbow flexion.
