MSK - nerves for muscles Flashcards

1
Q

Which muscles of the hand are supplied by the median nerve?

A

Remember MEAT LOAF:

Median nerves supplies: lateral two lumbricals, opponens pollicis, abductor pollicis BREVIS and flexor pollicis BREVIS.

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2
Q

Which intrinsic muscles of the hand are supplied by the ulnar nerve?

A

Medial two lumbricals, hypothenar muscles (opponens digiti minimi, abductor digit mini and flexor digit mini BREVIS), dorsal and palmar interossei, adductor pollicis and palmaris brevis.

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3
Q

Which nerve supplies the muscles of the posterior forearm?

A

Radial nerve

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4
Q

Which nerve supplies all muscles in the forearm, expect which two muscle? What are those two muscles innervated by?

A

The median nerve supplies all the muscles in the forearm, except flexor carpi ulnaris and the medial half of flexor digitorum profundus (innervated by the ulnar nerve).

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5
Q

What nerve innervates the long and short head of biceps brachii?

A

Musculocutaneous nerve.

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6
Q

Which nerve innervates brachialis?

A

Musculocutaneous nerve.

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7
Q

Which nerve innervates coracobrachialis?

A

Musculocutaneous nerve.

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8
Q

Which nerve innervate triceps brachii?

A

Radial nerve.

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9
Q

Which nerve innervates the deltoid muscle?

A

Axillary nerve.

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10
Q

Which nerve innervates teres major?

A

Subscapular nerve

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11
Q

Which nerve innervates teres minor?

A

Axillary nerve

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12
Q

Which nerve innervates trapezius?

A

Accessory nerve (not part of brachial plexus).

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13
Q

Which nerve innervates latissimus dorsi?

A

Thoracodorsal nerve.

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14
Q

Which nerve innervates infraspinatous?

A

Suprascapular nerve

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15
Q

Which nerve innervates subscapularis?

A

Subscapula nerve.

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16
Q

Which nerve innervates supraspinatous?

A

Suprascapula nerve.

17
Q

Which nerve innervates subclavius?

A

Subclavian nerve.

18
Q

Which nerve innervates pectoralis minor?

A

Medial pectoral nerves.

19
Q

Which nerve innervates pectoralis major?

A

Medial and lateral pectoral nerves.

20
Q

Which nerve innervate seratus anterior?

A

Long thoracic nerve and the brachial plexus.

21
Q

Which nerve innervates psoas minor?

A

Branches of the ventral primary rami of the spinal nerve L1.

22
Q

Which nerve innervates psoas major?

A

Branches of the ventral primary rami of the spinal nerves L1 to L3.

23
Q

Which nerve innervates iliacus?

A

Femoral nerve (L2-L4).

24
Q

Which nerve innervates pectineus?

A

Femoral nerve and may receive a branch of obturator nerve.

25
Q

Which nerve innervates sartorius?

A

Femoral nerve.

26
Q

Which nerve innervates rectus femorus?

A

Femoral nerve.

27
Q

Which nerve innervates vastus medialis?

A

Femoral nerve

28
Q

Which nerve innervates vastus lateralis?

A

Femoral nerve.

29
Q

Which nerve innervates vastus intermedius?

A

Femoral nerve.

30
Q

Which nerve innervates the medial compartment of the thigh?

A

This is the compartment that contains AAAGO (abductor brevis, longus and magnus, gracillis and obturator externus). They are all innervated by the obturator nerve apart from the hamstring portion of abductor magnus which is innervated by the tibial nerve.

31
Q

Which nerve innervates the posterior (hamstrings) thigh?

A

The tibial nerve (branch of the sciatic nerve), expect for the short head of the biceps femoris which is innervated by the fibular nerve (branch of sciatic nerve).

32
Q

Which nerve innervates the anterior compartment of the lower leg?

A

Deep peroneal nerve.

33
Q

Which nerve innervates the lateral compartment of the lower leg?

A

Superficial peroneal nerve.

34
Q

Which nerve innervates the posterior compartment of the lower leg?

A

Tibial nerve.

35
Q

Which nerve innervates the two muscles in the dorsal aspect of the foot?

A

The deep fibular nerve innervates extensor hallucis brevis and extensor digitorum brevis.

36
Q

Which nerve innervates the plantar of the foot?

A

The tibial nerve: its branches (lateral and medial plantar) supply the whole of the plantar muscles of the foot.