Posterior Axioappendicular Muscles

Question 1

Where do these muscles start?

Answer 1

The axial skeleton

Question 2

Where do these muscles end?

Answer 2

The appendicular skeleton

Question 3

What are the five posterior axioappendicular muscles?

Answer 3

Trapezius, levator scapulae, rhomboid major and minor, latissimus dorsi mm.

Question 4

O- Trapezius m.

Answer 4

Nuchal ligament, spinous process of C1-T12 (all of the cervical and thoracic vertebrae)

Question 5

I- Trapezius m.

Answer 5

Spine and acromion process of scapula, and lateral third of clavicle

Question 6

A- Trapezius m.

Answer 6

Elevation, retraction and depression of the scapula

Question 7

Inn- Trapezius m.

Answer 7

Spinal accessory nerve (CN XI)

Question 8

O- Levator scapulae m.

Answer 8

Transverse processes of C1-4

Question 9

I- Levator scapulae m.

Answer 9

Superior part of medial border of scapula

Question 10

A- Levator scapulae m.

Answer 10

Elevation of the scapula

Question 11

Inn- Levator scapulae m.

Answer 11

Dorsal scapular nerve

Question 12

O- Rhomboid major/minor m.

Answer 12

Spinous processes of C7-T5

Question 13

I- Rhomboid major/minor m.

Answer 13

Medial scapula

Question 14

A- Rhomboid major/minor m.

Answer 14

Retraction of the scapula

Question 15

Inn- Rhomboid major/minor m.

Answer 15

Dorsal scapular nerve

Question 16

Which muscles are innervated by the dorsal scapular nerve?

Answer 16

Levator scapulae, rhomboid major and rhomboid minor mm.

Question 17

O- Latissimus dorsi m.

Answer 17

Spinous processes of T7-12, iliac crest and thoracolumbar fascia

Question 18

I- Latissimus dorsi m.

Answer 18

Intertuburcular groove of the humerus

Question 19

A- Latissimus dorsi m.

Answer 19

Extension, adduction and medial rotation of the arm

Question 20

Inn- Latissimus dorsi m.

Answer 20

Thoracodorsal nerve