Anatomy Of Muscles Of The Back

Question 1

Name the two groups of muscles of the back

Answer 1

Extrinsic and intrinsic

Question 2

What does the extrinsic muscle groups do

Answer 2

They move the upper limbs and the ribs

Question 3

What does the intrinsic muscle group do ?

Answer 3

Maintain posture and move the vertebral column

Question 4

Name the important sutures of the skull

Answer 4

Superior nuchal line and the external occipital protuberance

Question 5

What is the origin of the Trapezius

Answer 5

Sup nuchal line, exterior occipital protuberance

Question 6

What is the Latissimus dorsi

Answer 6

Is it a large flat and triangular at the lower portion of the back and ends in tendon that attaches to the humerus

Question 7

Levator scapulae FXN?

Answer 7

Elevates scapula

Question 8

Name the 3 deep groups of muscles

Answer 8

Superficial layer

Intermediate layer and

The deep layer

Question 9

Name the 5 superficial back muscles

Answer 9

Trapezius
Lat dorsi
Rhomboid minor and major
Levator scapulae

Question 10

Innervation of supraspinatous and infraspinatous

Answer 10

Suprascapular nerve (?)

Question 11

Anastomosis of scapula between what?

Answer 11

3rd part axillary

1st and 2nd part of subclavian

Question 12

Where does suprascapula nerve and artery arise

Answer 12

Nerve - upper trunk

Artery - subclavian

Question 13

3 branches of posterior cord before it branches terminally

Answer 13

Thoracodorsal

Upper and lower subscapular nerve

Question 14

What is the sensory innervation of levator scapulae

Answer 14

C3 and c4 anterior rami