Superficial Posterior forearm compartment Flashcards
What nerve innervates all of the posterior forearm compartment?
Radial n.
From where do all of the superficial posterior forearm muscles originate?
The lateral humeral epicondyle
A- Brachioradialis
Flexion of the forearm (elbow)
Inn- Brachioradialis
Radial n.
In what position is the brachioradialis the strongest?
Mid-supination
Which muscles separates the anterior and posterior forearm compartments?
Brachioradialis m.
A- Extensor carpi radialis longus m.
Extension and abduction of the wrist
Inn- Extensor carpi radialis longus m.
Radial n.
A- Extensor carpi radialis brevis m.
Extension and abduction of the wrist
Inn- Extensor carpi radialis brevis m.
Radial n.
A- Extensor digitorum m.
Extension of digits 2-5, extension of the wrist
Inn- Extensor digitorum m.
Radial n.
Why does extensor digitorum m. have multiple tendons?
It goes to the digits.
A- Extensor digit minimi m.
Extends the fifth digit, extends the wrist
Inn- Extensor digit minimi m.
Radial n.
