(ON THE LEFT SIDE ONLY) Identify the deep nerves, arteries and muscles of the hand. (G 2.77 and 2.78;N 452;Gl 28.44B)
- Identify the adductor pollicis muscle. The tendon of the flexor pollicis longus muscle separates the adductor pollicis and flexor pollicis brevis muscles. Identify at least one palmar and one dorsal interossei muscles, and trace the distal attachment of the 1st dorsal interosseous muscle to the dorsal digital expansion.
- Identify the deep palmar arterial arch where it emerges from the proximal aspect of the adductor pollicis muscle. (G 2.77;N 453;Gl 28.44B) Attempt to identify the palmar metacarpal arteries and the deep branch of the ulnar artery.
- Identify the deep branch of the ulnar nerve.
Important Relationships
- The tendons of the flexor digitorum superficialis and flexor digitorum profundus muscles pass posterior (deep) to the transverse carpal ligament.
- The median nerve passes deep (posterior) to the transverse carpal ligament.
- The deep branch of the ulnar nerve passes directly medial to the hook of the hamate.
- The deep branch of the ulnar nerve is positioned directly anterior to the palmar interossei muscles.
