Muscle Nerve Innervation Flashcards by sophea hernandez

Q

Latissimus Dorsi

A

Thoracodorsal nerve C6, C7, C8

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Q

Trapezius

A

Spinal accessory nerve (CN XI) and Ventral Rami of C3, C4

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Q

Levator Scapulae

A

cervical nerve C3, C4 and Dorsal Scpular nerve C4, C5

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Q

Rhomboid minor

A

dorsal scapular nerve C4, C5

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Q

Rhomboid major

A

dorsal scapular nerve C4, C5

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Q

Deltoid

A

Axillary nerve C5, C6

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Q

Pectoralis major (clavicular head)

A

Lateral and medial pectoral nerves C5, C6

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Q

Pectoralis major (sternocostal head)

A

Lateral and medial pectoral nerves C7, C8, T1

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Q

Pectoralis minor

A

medial pectoral nerve C8, T1 AND lateral pectoral nerve (variable)

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Q

teres major

A

Lower subscapular nerve C5, C6

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Q

Supraspinatus

A

suprascapular nerve C4, C5, C6

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Q

infraspinatus

A

suprascapular nerve C5, C6

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Q

teres minor

A

axillary nerve C5, C6

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Q

subscapularis

A

upper and lower subscapular nerves C5, C6, C7

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Q

serratus anterior

A

long thoracic nerve C5, C6, C7

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Q

splenius capitis

A

posterior rami of spinal nerves

Q

splenius cervicis

A

posterior rami of spinal nerves

Q

erector spinae muscles (iliocostalis, longissimus, spinalis)

A

posterior rami of spinal nerves

Q

rotatores

A

posterior rami of spinal nerves

Q

multifidus

A

posterior rami of spinal nerves

Q

semispinalis capitis

A

cervical posterior rami of spinal cervical nerves

Q

Suboccipital Muscles

A

Suboccipital nerve (dorsal ramus of C1)

Q

sternocleidomastoid

A

spinal accessory nerve (CN XI) AND ventral rami of C3, C4 (pain / proprioceptive fibers)

Q

Platysma

A

cervical branch of facial nerve (CN VII)

Q

Psoas major

A

anterior (ventral) rami of L1, L2, L3

Q

Quadratus lumborum

A

ventral branches of T12, L1-L4

Q

rectus abdominis

A

thoraco-abdominal nerves (ventral rami of T6-T12)

Q

external oblique

A

thoraco-abdominal nerves of T7-T11

Q

internal oblique

A

thoraco-abdominal nerves (anterior rami of T6-T12 spinal nerves) AND first lumbar nerve

Q

transversus abdominis

A

thoraco-abdominal nerves (anterior rami of T6-T12 spinal nerves) AND first lumbar nerve

Q

diaphragm

A

phrenic nerve C3-5

Q

intercostals (external and internal)

A

thoracic intercostal nerves T1-T11