Anterior Antebrachium – Deep
This deep muscle flexes the thumb.
What is the flexor pollicis longus?
This muscle is unusual among forearm extensors because it primarily flexes the elbow.
What is the brachioradialis?
This squareshaped deep muscle pronates the forearm at the distal radioulnar joint.
What is the pronator quadratus?
This muscle extends the wrist and has both a longus and brevis portion.
What is the extensor carpi radialis?
This structure separates anterior and posterior compartments and allows load transfer between radius and ulna.
What is the interosseous membrane?
This muscle helps extend the 5th digit.
What is the extensor digiti minimi?
This group name describes muscles of the anterior forearm that flex digits and the wrist.
What is the anterior antebrachium?
This deep extensor adducts and extends the index finger.
What is the extensor indicis?
This specific layer classification includes FDS and lies between superficial and deep muscle layers.
What is the intermediate layer?
This deep muscle abducts the thumb and lies in the posterior compartment.
What is the abductor pollicis longus?