Muscles of the Upper Limb - Posterior Forearm Flashcards by cole roberts

Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor carpi ulnaris

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Q

Name muscle A

A

A - Extensor digiti minimi

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Q

What is the function of muscle A?

A

Extension at interphalangeal joint of thumb
Extension at carpometacarpal joints of thumb

A - Extensor pollicis longus

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Q

Name muscle A

A

A - Extensor carpi radialis brevis

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Q

What is the function of muscle A?

A

Extension of little finger

A - Extensor digiti minimi

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Q

What is the function of muscle A?

A

Extension of index finger

A - Extensor indicis

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Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7)

This is before the division into superficial and deep branches

A - Extensor carpi radialis longus

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Q

Name muscle A

A

A - Supinator

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Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7, C8)

A - Anconeus

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Q

Name muscle A

A

A - Anconeus

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Q

Name muscle A

A

A - Extensor digitorum

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Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis longus

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Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor digitorum

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Q

Name muscle A

A

A - Extensor pollicis brevis

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Q

Name muscle A

A

A - Extensor carpi ulnaris

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Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Abductor pollicis longus

Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis brevis

Q

What is the innervation of muscle A?

A

Deep branch of radial nerve (C7, C8)

A - Extensor carpi radialis brevis

Q

What is the function of muscle A?

A

Extension of wrist
Adduction of wrist

A - Extensor carpi ulnaris

Q

What is the function of muscle A?

A

Extension of wrist
Abduction of wrist

A - Extensor carpi radialis longus

Q

Name nerves A and B

A

A - Deep branch of radial nerve

B - Superficial branch of radial nerve

Q

What is the function of muscle A?

A

Supination of forearm

A - Supinator

Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor indicis

Q

What is the innervation of muscle A?

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?

1. Extension of wrist 2. Abduction of wrist A - Extensor carpi radialis brevis

What is the function of muscle A?

1. Extension at metacarpophalangeal joint of thumb 2. 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?

1. Abduction of ulna (in pronation) 2. 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?

1. Abduction of carpometacarpal joint of thumb 2. 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?

1. Extension of index, middle, ring and little fingers 2. Extension of wrist A - Extensor digitorum

Name muscle A

A - Supinator