Superficial Back

Question 1

Trapezius O

Answer 1

medial third of superior nuchal lines
external occipital protuberance
nuchal ligament
spinous process of C7-T12 vertebrae

Question 2

Trapezius I

Answer 2

lateral third of clavicle
acromion
spine of scapula

Question 3

Trapezius motion

Answer 3

Descending (superior part): elevation of scapula
Ascending (inferior): depresses
Middle or all together: retracts scapula
*D and A rotate glenoid cavity superiorly

Question 4

Trapezius Innervation

Answer 4

Spinal accessory nerve CN XI; motor fibers and C3

C4 spinal nerves (pain and proprioceptive)

Question 5

Latissimus Dorsi O

Answer 5

T7 - T12
thoracolumbar fascia
iliac crest
ribs 9-12

Question 6

Lats I

Answer 6

floor of intertubuclar sulcus of humerus

Question 7

Lats motion

Answer 7

extension
adduction
meidal rotation of shoulder joint

Question 8

Lats innervation

Answer 8

Thoracodorsal nerve (C6,C7,C8)

Question 9

Rhomboid Major O

Answer 9

spinous process of T2-T5 vertebrae

Question 10

Rhomboid Major I

Answer 10

medial border of scapula from level of spine to inferior angle

Question 11

Rhomboid Major motion

Answer 11

retract scapula and rotate it to depress glenoid cavity

fix scapula to thoracic wall

Question 12

Rhomboid Major innervation

Answer 12

dorsal scapular nerve C4 C5

Question 13

Levator Scapulae O

Answer 13

posterior tubercle of transverse processes C1-C4 vertebrae

Question 14

Levator Scapulae I

Answer 14

medial border of scapula superior to root of spine

Question 15

Levator Scapulae motion

Answer 15

elevates scapula and tilts its glenoid cavity inferiorly by rotating scapula

Question 16

Levator Scapulae innervation

Answer 16

dorsal scapular C5 and cervical C3 C4 spinal nerves

Question 17

Rhomboid Minor O

Answer 17

nuchal ligament

spinous processes of C7 and T1

Question 18

Rhomboid Minor I

Answer 18

triangular area at medial end of scapular spine

Question 19

Rhomboid Minor motion

Answer 19

retract scapula and rotate it to depress glenoid cavity

fix scapula to thoracic wall

Question 20

Rhomboid Minor innervation

Answer 20

dorsal scapular nerve C4 C5