Nerves Flashcards

1
Q

Spinal accessory nerve

A

Head/Neck

innervates
-trapezius

found

  • deep to trapezius
  • with superior branch transverse cervical artery
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2
Q

Thoracodorsal Nerve

A

Posterior cord of BP (C5-T1)

innervates
-latissimus dorsi

found
- with thoracodorsal artery

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3
Q

Dorsal Scapular Nerve

A

Root of BP (C5)

innervates

  • levator scapulae
  • rhomboids

found

  • deep to trapezius and levator scapulae
  • with deep branch transverse cervical artery
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4
Q

Axillary Nerve

A

Posterior cord of BP (C5-T1)

innervates

  • teres minor
  • deltoid

found

  • with posterior circumflex humeral artery
  • finishes in deltoid
  • lateral to radial nerve
  • pierces muscle quickly after branching
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5
Q

Lower subscapular nerve

A

Posterior cord of BP (C5-T1)

innervates

  • subscapularis
  • trees major

found
- with subscapular artery

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6
Q

Upper subscapular nerve

A

Posterior cord of BP (C5-T1)

innervates
- subscapularis

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7
Q

Suprascapular Nerve

A

Upper trunk of BP (C5-6)

innervates

  • Supraspinatis
  • Infraspinatis

found
- with suprascapular artery

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8
Q

Anterior rami

A

of spinal nerves

innervate

  • serratus anterior / posterior
  • intertransverserii
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9
Q

Posterior Rami

A

Innervate

- Deep back muscles: erector spinae, transversospinalis, segmental muscle group

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10
Q

Medial pectoral nerve

A

medial cord of BP (C8-T1)

innervates
- pectorals major and minor

pierces through pec minor to innervate pec major

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11
Q

Lateral pectoral nerve

A

lateral cord of BP (C5-7)

innervates
- pectoralis major

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12
Q

Nerve to subclavius

A

Upper trunk of BP (C5-6)

Innervates
- subclavius

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13
Q

Long thoracic nerve

A

roots of bp (c5-7)

innervates
- serratus anterior

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14
Q

Musculocutaneuos Nerve

A

lateral cord of Bp (c5-7)

Innervates
- upper arm flexors

Found

  • most lateral from cords
  • first to pierce muscles
  • found deep to biceps brachii in cubitle fossa
  • ends cutaneously
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15
Q

Radial nerve

A

Posterior cord of bp (c5-t1)

Innervates
- extensors of arm and forearm

Found

  • radial tuberocity of humerus
  • deep to brachioradialis in cubital fossa
  • deep branch pierces supinator, becomes posterior interosseus nerve
  • P.I. nerve found with P.I. artery through supinator, deep to extensor digitorum
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16
Q

Median Nerve

A

Lateral and medial cords of BP (c5-t1)

Innervates

  • flexors of the arm
  • lateral 2 lumbricals
  • muscles of thenar eminence (recurrent branch)

Found

  • anterior to humerus
  • deep to flexor retinaculum
  • branches into anterior interosseus nerve (deep distal of ant. forearm)
17
Q

Ulnar nerve

A

Medial cord of BP (C8-T1)

innervates

  • Hand
  • flexor carpi ulnaris
  • 1/2 of flexor digitorum profundus

found

  • posterior to humerus
  • deep to flexor carpi ulnaris
  • above flexor digitorum profundus
  • above flexor retinaculum
18
Q

Medial cutaneous nerve

A

2 branches off the medial cord c8-t1

innervates
- skin of the arm

found
- most medial branch of the cords