Back Superficial Layer

Question 1

Trapezius: O

Answer 1

Medial (proximal) – medial 1/3 of superior nuchal line and external protuberance of occipitalis, nuchal ligament and SPs of C7-T12

Question 2

Trapezius: I

Answer 2

Lateral (distal) – Lateral 1/3 of clavicle, acromion and spine of scapula

Question 3

Trapezius: N

Answer 3

• Spinal root of Accessory Cranial Root CN XI

- Cervical Nerve (C3-4) for pain and proprioception

Question 4

Trapezius: A

Answer 4

Superior fibers: elevates scapula
Middle fibers: retracts scapula
Inferior fibers: depresses scapula
Superior & inferior: rotates scapula

Question 5

Latissimus Dorsi: O

Answer 5

SPs T7-12; Thoraco-lumbar Fascia; Iliac Crest and inferior 3 or 4 ribs

Question 6

Latissimus Dorsi: I

Answer 6

Floor of Intertubercular Groove of Humerus

Question 7

Latissimus Dorsi: N

Answer 7

Thoraco-dorsal nerve (C6-7-8)

Question 8

Latissimus Dorsi: A

Answer 8

• Extends, adducts and medially rotates Humerous

- Raises body towards arms during climbing

Question 9

Levator Scapula: O

Answer 9

Posterior Tubercles of TVPs of C1-4

Question 10

Levator Scapula: I

Answer 10

Superior part of medial border of scapula

Question 11

Levator Scapula: N

Answer 11

Dorsal scapular nerve C5 and cervical nerves (C3-4)

Question 12

Levator Scapula: A

Answer 12

Elevates scapula and tilts Glenoid Cavity inferiorly by rotating scapula

Question 13

Rhomboid Minor: O

Answer 13

Nuchal ligament of SPs of C7 and T1

Question 14

Rhomboid Minor:I

Answer 14

Medial Angle of Scapula

Question 15

Rhomboid Minor: N

Answer 15

Dorsal Scapular Nerve C4-5

Question 16

Rhomboid Minor: A

Answer 16

• Retracts Scapula and rotates it to depress Glenoid Cavity

- fixes Scapula to Thoracic Wall

Question 17

Rhomboid Major: O

Answer 17

SPs of T2-5

Question 18

Rhomboid Major: I

Answer 18

Medial margin of Scapula (below Medial Angle)

Question 19

Rhomboid Major: N

Answer 19

Dorsal Scapular Nerve C4-5

Question 20

Rhomboid Major: A

Answer 20

• Retracts Scapula and rotates it to depress Glenoid Cavity

- fixes Scapula to Thoracic Wall