Muscles connecting the upper limb to the vertebral column (Action)

Question 1

Action of Trapezius

Answer 1

✓ Upper fibers elevate the scapula.
✓ middle fibers pull scapula medially (retracts).
✓ lower fibers pull medial border of scapula downward.
✓ anterior fibers rotates the scapula.

Question 2

Action of Latissimus Dorsi

Answer 2

✓ Extends, adducts, and medially rotates the arm.

✓ Raising of the trunk above the arm (climbing muscle).

Question 3

Action of Levator Scapulae

Answer 3

✓ Raises medial border of scapula.

Question 4

Action of Rhomboid Minor

Answer 4

✓ Raises medial border of scapula upward and medially.

Question 5

Action of Rhomboid Major

Answer 5

✓ Raises medial border of scapula upward and medially.

Question 6

Extends, adducts, and medially rotates the arm.

Answer 6

Latissimus Dorsi

Question 7

Pull scapula medially (retracts)

Answer 7

Middle fibers of Trapezius

Question 8

Raises medial border of scapula upward and medially

Answer 8

Rhomboid Minor

Rhomboid Major

Question 9

Elevate the scapula

Answer 9

Upper fibers of Trapezius

Question 10

Raises medial border of scapula

Answer 10

Levator Scapulae

Question 11

Pull medial border of scapula downward

Answer 11

Lower fibers of Trapezius

Question 12

Raising of the trunk above the arm (climbing muscle)

Answer 12

Latissimus Dorsi

Question 13

Rotates the scapula

Answer 13

Anterior fibers of Trapezius