Muscle innervations Flashcards

1
Q

C2/3 - Accesory nerve

A

Sternocleidomastoid

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2
Q

C3-5 - Phrenic nerve

A

Diaphragm.

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3
Q

C5, C6 - Axillary n / Nerve to subclavius / Subscapular n / Suprascapular n

A

Deltoid, teres minor
Subclavius
Subscapularis, teres major
Supraspinatus, infraspinatus

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4
Q

C5 - Dorsal scapular nerve

A

Levator scapulae, rhomboids

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5
Q

C5-T1 - Median nerve

A

Pronator teres and quadrates, flexor carpi radialis, digitorum superficialis and profundus, pollicis longus and brevis, palmaris longus, abductor pollicis brevis, opponens pollicis, lumbricals 1-3 and 1st dorsal interosseus

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6
Q

C5-7 - Musculocutaneous nerve

A

Biceps

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7
Q

C5-T1 - Pectoral nerve

A

Pectoralis major and minor

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8
Q

C5-T1 - Radial nerve

A

Triceps, anconeus, brachioradialis, all forearm, wrist, and finger extensors

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9
Q

C7-T1 - Ulnar nerve

A

Flexor carpi ulnaris, digitorum profundus, digiti minimi, pollicis brevis, palmaris brevis, abductor digiti minimi, opponens digiti minimi, interossei, and lumbricals 3 and 4

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10
Q

T1-12 - Thoracic nerves

A

External and internal intercostals, serratus posterior, external oblique abdominal muscles, internal oblique abdominal muscles, transversus abdominis, rectus abdominis.

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11
Q

L1-3 - Nerve to psoas major

A

Psoas major and minor

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12
Q

L2-4 - Femoral n. / Saphenous n. / Obturator

A

Pectineus, sartorius, iliacus, rectus femoris, vastus lateralis, medialis and intermedius
Rectus fem, vastus lat, med and inter
Adductor longus, brevis and magnus, gracilis, obturator externus, and pectineus

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13
Q

S1/2 - Nerve to piriformis

A

Piriformis

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14
Q

L4-S1 - Superior gluteal

A

Gluteus medius and minimus, and TFL

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15
Q

L5-S2 - Inferior gluteal

A

Gluteus maximus

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16
Q

L4-S3 - Sciatic

A

Biceps femoris, semitendinosus, semimembranosus, and adductor magnus

17
Q

L4-S3 - Tibial

A

Gastrocnemius, plantaris, popliteus, soleus, tibialis posterior, and all flexors of the foot