5 Questions
Which of the following bones make up the carpus?
Scaphoid, lunate, triquetrum, pisiform
Which nerve supplies all the muscles in the superficial group of the anterior compartment of the forearm?
Median nerve
Which muscle is not part of the superficial group in the anterior compartment of the forearm?
Flexor digitorum profundus
Which row of carpal bones contains the trapezium, trapezoid, capitate, and hamate?
Distal row
Which nerve supplies the Flexor carpi ulnaris and the medial part of Flexor digitorum profundus?
Ulnar nerve
Study Notes
Bones of the Carpus
- The carpus is composed of eight bones: Scaphoid, Lunate, Triquetrum, Pisiform, Trapezium, Trapezoid, Capitate, and Hamate.
Nerve Supply
- The Median nerve supplies all the muscles in the superficial group of the anterior compartment of the forearm.
Muscles of the Anterior Compartment
- The superficial group of the anterior compartment of the forearm consists of Pronator teres, Flexor carpi radialis, Palmaris longus, Flexor carpi ulnaris, and Flexor digitorum profundus.
- The Brachioradialis muscle is not part of the superficial group in the anterior compartment of the forearm.
Carpal Bones
- The distal row of carpal bones contains the Trapezium, Trapezoid, Capitate, and Hamate.
Nerve Supply of Forearm Muscles
- The Ulnar nerve supplies the Flexor carpi ulnaris and the medial part of Flexor digitorum profundus.
Test your knowledge of the bones in the hand with this anatomy quiz. Identify the carpal, metacarpal, and phalangeal bones along with their anatomical arrangement.
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