Anatomy (Superficial Back & Shoulder)

Question 1

Fibers present in Long Thoracic Nerve

Answer 1

• Motor nerve but contains:
  1. Somatomotor fibers
  2. Postganglionic sympathetic fibers
  3. Sensory fibers

Question 2

Rotator Cuff Muscle Positions

Answer 2

On greater tubercle:

• Supraspinatus
• Infraspinatus
• Tres minor

On lesser tubercle:

• Subscapularis

“SITS”

Question 3

Abduction of Arm in Degree’s/Order (Muscles involved)

Answer 3

15^o - supraspinatus (1st)

90^o - deltoid (2nd)

>90^o - trapezius & serratus anterior (3rd)

• All pretty much happen at the same time

Question 4

Deep vs Superficial Veins (4 each)

Answer 4

Deep:

• typically come in pairs but can be more than 2
• accompany arteries and take their name
• necessary for limb survival
• smaller

Superficial:

• not paired
• do not accompany an artery
• larger
• not necessary for limb survival

Question 5

Common sites for veinpuncture? (2)

Answer 5

• Median cubital vein (anterior elbow)
• Dorsal venous network (top of hand)

Question 6

Superficial vs Deep lymphatic vessels & nodes (3 each)

Answer 6

Superficial:

• Superficial to deep fascia
• Follow superficial veins
• Drain into deep lymphatic vessels

Deep:

• Deep to deep fascia
• Follow follow arteries & deep veins
• Drain into Right Lymphatic Duct or Thoracic Duct