Muscles of the Upper Limb - Posterior Forearm Flashcards
What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Extensor carpi ulnaris

Name muscle A

A - Extensor digiti minimi

What is the function of muscle A?

- Extension at interphalangeal joint of thumb
- Extension at carpometacarpal joints of thumb
A - Extensor pollicis longus

Name muscle A

A - Extensor carpi radialis brevis
What is the function of muscle A?

Extension of little finger
A - Extensor digiti minimi

What is the function of muscle A?

Extension of index finger
A - Extensor indicis

What is the innervation of muscle A?

Radial nerve (C6, C7)
This is before the division into superficial and deep branches
A - Extensor carpi radialis longus

Name muscle A

A - Supinator

What is the innervation of muscle A?

Radial nerve (C6, C7, C8)
A - Anconeus

Name muscle A

A - Anconeus

Name muscle A

A - Extensor digitorum

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Extensor pollicis longus

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Extensor digitorum

Name muscle A

A - Extensor pollicis brevis

Name muscle A

A - Extensor carpi ulnaris

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Abductor pollicis longus

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Extensor pollicis brevis

What is the innervation of muscle A?

Deep branch of radial nerve (C7, C8)
A - Extensor carpi radialis brevis

What is the function of muscle A?

- Extension of wrist
- Adduction of wrist
A - Extensor carpi ulnaris

What is the function of muscle A?

- Extension of wrist
- Abduction of wrist
A - Extensor carpi radialis longus

Name nerves A and B

A - Deep branch of radial nerve
B - Superficial branch of radial nerve
What is the function of muscle A?

Supination of forearm
A - Supinator

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Extensor indicis

What is the innervation of muscle A?

Posterior interosseous nerve (C7, C8)
This is a division from the radial nerve
A - Extensor digiti minimi

Name muscle A

A - Abductor pollicis longus

Name muscle A

A - Extensor pollicis longus

What is the function of muscle A?

- Extension of wrist
- Abduction of wrist
A - Extensor carpi radialis brevis

What is the function of muscle A?

- Extension at metacarpophalangeal joint of thumb
- Extension at carpometacarpal joint of thumb
A - Extensor pollicis brevis

What is the innervation of muscle A?

Posterior interosseous nerve (C6, C7)
This is a division from the radial nerve
A - Supinator

Name muscle A

A - Extensor carpi radialis brevis

What is the function of muscle A?

- Abduction of ulna (in pronation)
- Accessory extension of elbow joint
A - Anconeus

Name muscle A

A - Brachioradialis

What is the innervation of muscle A?

Radial nerve (C5, C6)
This is before the division into superficial and deep branches
A - Brachioradialis

What is the function of muscle A?

- Abduction of carpometacarpal joint of thumb
- Accessory extension of thumb
A - Abductor pollicis longus

Name muscle A

A - Extensor indicis

What is the function of muscle A?

Accessory flexion of elbow joint (when forearm is mid-pronated)
A - Brachioradialis

Name muscle A

A - Extensor carpi radialis longus

What is the function of muscle A?

- Extension of index, middle, ring and little fingers
- Extension of wrist
A - Extensor digitorum

Name muscle A

A - Supinator