Arm anatomical model MP1514

for teaching

This 3D printed specimen presents a deep dissection of the left upper limb, from the distal humerus to the palmar surface of the hand, offering detailed insights into the osseous, muscular, vascular, and neural structures. Elbow and Forearm Around the distal humerus, most musculature has been removed except the humeral origin of the flexor digitorum superficialis. The anterior joint capsule is opened, showing the articulation of the humerus, radius, and ulna. In the cubital fossa, the biceps brachii tendon, brachialis, brachial artery and vein, and median nerve are visible. Most surrounding forearm structures are removed to expose the anterior interosseous artery, vein, and nerve lying on the interosseous membrane, extending toward pronator quadratus. Wrist and Carpal Tunnel The flexor digitorum superficialis origin on the radius is exposed, with its tendons passing under the flexor retinaculum into the hand. Also visible at the wrist are the distal insertions of key forearm muscles (e.g. brachioradialis, FCR, FCU, ECRL, ECRB) and the radial artery. Palmar Hand Anatomy Within the hand, tendons of the flexor digitorum superficialis and profundus continue into the fingers via fibrous digital sheaths. The flexor pollicis longus tendon runs to the thumb, while the sheath of the fifth digit is opened medially. The dissection reveals deep muscles including the adductor pollicis (both heads) and the first dorsal interosseous. Dorsal Hand The dorsal skin is largely intact but dissected medially to show the extensor digitorum, extensor digiti minimi, and the extensor expansion.