Muscles of the Forearm & Hand

Front

What is the action of the supinator muscle?

Back

Supinates the forearm.

Front

Where are the extensor carpi radialis muscles located?

Back

Lateral aspect of the posterior forearm.

Front

Which nerve innervates all the thenar muscles?

Back

Median nerve.

Front

What is the primary action of the abductor pollicis longus?

Back

Abducts the thumb.

Front

What is the primary action of the opponens pollicis muscle?

Back

Opposes the thumb.

Front

What is the function of the flexor carpi radialis?

Back

Flexes and abducts the wrist.

Front

What is the role of the extensor digitorum?

Back

Extends the fingers.

Front

Which muscle is responsible for wrist flexion?

Back

Flexor carpi ulnaris.

Front

What is the primary action of the flexor pollicis longus?

Back

Flexes the thumb.

Front

What is the location of the palmaris longus muscle?

Back

Anterior aspect of the forearm.