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Clinical Anatomy I & II > UE Nerves, Arteries, Veins > Flashcards

UE Nerves, Arteries, Veins Flashcards

Name the muscle(s) that the nerve innervates

1
Q

Accessory Nerve (C1-C5)

A

Trapezius

Sternocleidomastoid

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2
Q

Dorsal Scapular Nerve (C4-C6)

A

Levator scapulae

Rhomboids

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3
Q

Long Thoracic Nerve (C5-C7)

A

Serratus anterior

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4
Q

Suprascapular Nerve (C4-C6)

A

Supraspinatus

Infraspinatus

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5
Q

Subclavian Nerve (C5-C6)

A

Subclavius

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6
Q

Lateral Pectoral Nerve (C5-C7)

A

Pectoralis major

Pectoralis minor

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7
Q

Medial Pectoral Nerve (C8-T1)

A

Pectoralis major

Pectoralis minor

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8
Q

Upper Subscapularis Nerve (C5-C6)

A

Subscapularis

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9
Q

Lower Subscapularis Nerve (C5-C6)

A

Subscapularis

Teres major

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10
Q

Thoracodorsal Nerve (C6-C8)

A

Latissimus dorsi

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11
Q

Axillary Nerve (C5-C6)

A

Deltoids

Teres minor

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12
Q

Plexuses form to…and what are the 4 plexuses?

A

…supply extremities.

  1. Cervical plexus (C1-C5)
  2. Brachial plexus (C5-T1)
  3. Lumbar plexus (L1-4)
  4. Sacral plexus
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13
Q

Ventral rami in the thoracic area become intercostal nerves and…

A

DO NOT HAVE PLEXUSES

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14
Q

Musculocutaneous Nerve

A

Lateral cord- innervates anterior compartment of arm

Branches to (3)

  1. Coracobrachialis
  2. Biceps brachii
  3. Brachialis
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15
Q

Radial Nerve (C5-T1)

A

Posterior cord- innervates posterior compartment of arm

Travels posteriorly through Triceps hiatus.

Branches to: (2 in arm)

  1. Triceps brachii (medial, lateral, long heads)
  2. Anconeus
(11 in forearm)
Brachioradialis
Supinator - turns to posterior interosseous
Extensor carpi radialis longus
Extenso carpi radialis brevis
Extensor carpi ulnaris
Extensor digitorum
Extensor digiti minimi 
Extensor indicis
Extensor pollicis brevis
Extensor pollicis longus
Abductor pollicis longus
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16
Q

Scapular notch

A

Suprascapular nerve

Suprascapular artery

17
Q

Medial border of scapula

A

Dorsal scapular nerve

Dorsal scapular artery

18
Q

Triangular space of scapula

A

Circumflex scapular artery

Made up by teres minor, teres major, and long head of triceps brachii

19
Q

Triceps hiatus of scapula

A

Radial nerve
Profunda brachii artery

Made up by long head of triceps brachii, humerus, and teres major

20
Q

Quadrangular space of scapula

A

Axillary nerve
Posterior circumflex humeral artery

Made up by teres minor, teres major, long head of triceps brachii, and humerus

21
Q

Axillary Sheath

A

Surrounds axillary artery, vein, & cords of brachial plexus

22
Q

Origin of blood supply for upper extremity?

A

Subclavian artery

23
Q

Arterial supply for anterior compartment of the arm?

A

Brachial artery

24
Q

Arterial supply for posterior compartment of the arm?

A

Profunda brachii artery

25
Q

Naming cervical (8) spinal nerves

A

Exit ABOVE corresponding vertebrae (exception C8 exits at C7)

ex: C6 nerve = C5-C6

26
Q

Thoracic (12), Lumbar (5), Sacral (5), and Coccygeal (1) spinal nerves

A

Exit BELOW corresponding vertebrae

ex: T7 nerve = T7-T8

27
Q

Motor Axon

A

Innervation of skeletal muscle

28
Q

Sensory Axon

A

Proprioception. Impulses from skin.

29
Q

Sympathetic (pre/post)

A

Innervation of smooth muscle of blood vessel wall. Most nerves have these.

30
Q

Brachial Plexus

A 
5 Roots
3 Trunks
3 Divisions
3 Cords
5 Nerves
with an additional 11 branches
31
Q

5 Roots of Brachial plexus

A

C5 (Dorsal Scapular n. and Long Thoracic n.), C6, C7, C8, T1

32
Q

3 Trunks of Brachial Plexus

A
  1. Upper - C5-C6 (Suprascapular n. and subclavian n.)
  2. Middle - C7
  3. Lower - C8-T1
33
Q

Divisions of Brachial Plexus

A

3 anterior

3 posterior

34
Q

3 Cords of Brachial Plexus with Nerves

A
  1. Lateral
    - Lateral Pectoral Nerve (C5-C7)
    - Musculocutaneous Nerve (C5-C7)
    - Median Nerve (C5-C7)
  2. Medial
    - Medial Pectoral Nerve (C8-T1)
    - Medial Cutaneous Nerves of arm & forearm (C8-T1)
    - Medial root of Median Nerve (C8-T1)
    - Ulnar Nerve (C7-T1)
  3. Posterior
    - Upper Subscapular Nerve (C5-C6)
    - Thoracodorsal Nerve (C5-C6)
    - Lower Subscapular Nerve (C5-C6)
    - Axillary Nerve (C5-C6)
    - Radial Nerve (C5-T1)
35
Q

Median Nerve

A

Medial root: C8-T1
Lateral root: C5-C7

Muscular branches:
Flexor carpi radialis
Palmaris longus
Flexor digitorum superficialis
Pronator teres
Flexor pollicis longus
Flexor digitorum profundus

Pronator quadratus
Lateral/radial two lumbricals

36
Q

Ulnar Nerve C7-T1)

A

The only muscles ulnar nerve innervates in the anterior compartment of the forearm are:
Flexor carpi ulnaris
Flexor digitorum profundus (ulnar portion)

Deep muscular branches:
Abductor digiti minimi
Flexor pollicis brevis
Opponens digiti minimi
Palmar interossei
Dorsal interossei
Medial/ulnar two lumbricals
Adductor pollicis muscles

Clinical Anatomy I & II (15 decks)

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