Muscles of the Superficial Back

Question 1

Insertion of the Trapezius (Descending)

Answer 1

Lateral third of the clavicle

Question 2

Origin of the Trapezius (Transverse)

Answer 2

Tendon at the spinous processes of T1-T4

Question 3

Insertion of the Trapezius (Transverse)

Answer 3

Acromion

Question 4

Origin of the Trapezius (Ascending)

Answer 4

Spinous Processes of T5-T12

Question 5

Insertion of the Trapezius (Ascending)

Answer 5

Scapular Spine

Question 6

Innervation of the Trapezius

Answer 6

Accessory Nerve (CN XI) 
C3-C4

Question 7

All actions of the trapezius

Answer 7

Draw scapula obliquely upwards, rotate glenoid cavity superiorly, tilt head; Draw scapula medially (adduct); draw scapula medially downward

Question 8

Blood supply of the trapezius

Answer 8

Transverse cervical artery

Question 9

Origin of the VERTEBRAL Latissimus Dorsi

Answer 9

Spinous processes of T7-T12 and thoracolumbar fascia

Question 10

Insertion of the Latissimus Dorsi

Answer 10

Floor of the intertubercular groove of the humerus

Question 11

Origin of the SCAPULAR Latissimus dorsi

Answer 11

Inferior angle of the scapula

Question 12

Origin of the COSTAL latissimus dorsi

Answer 12

Ribs 9-12

Question 13

Origin of the ILIAC Latissimus dorsi

Answer 13

Posterior third of the iliac crest

Question 14

Innervation of the latissimus dorsi

Answer 14

Thoracodorsal nerve (C6-C8)

6, 7, 8 lats are great!

Question 15

Actions of the latissimus dorsi

Answer 15

Internally rotate, adduct, and extend the upper limb

accessory muscle of respiration and coughing

Question 16

Origin of the Levator Scapulae

Answer 16

Transverse processes of C1-C4

Question 17

Insertion of the Levator Scapulae

Answer 17

Superior angle of the scapula

Question 18

Actions of the Levator Scapulae

Answer 18

Draw scapula medially upwards and move inferior angle of the scapula medially

Question 19

Innervation of the levator scapulae

Answer 19

Dorsal scapular nerve (C4-C5)

Question 20

Origin of the Rhomboid Minor

Answer 20

Spinous processes of C7-T1

Question 21

Origin of the Rhomboid Major

Answer 21

Spinous processes of T1-T4

Question 22

Insertion of Rhomboid Major

Answer 22

Medial border of the scapula below the scapular spine

Question 23

Insertion of the Rhomboid Minor

Answer 23

Medial border of the scapula at the root of the scapular spine

Question 24

Innervation of the Rhomboid Major

Answer 24

Dorsal scapular nerve (C4-C5)

Question 25

Actions of the Rhomboids

Answer 25

Steady the scapula, draw it medially upwards

Question 26

Origin of the Trapezius (Descending)

Answer 26

Occipital bone and Nuchal ligament of C1-C7