Muscles Pt3

Question 1

What is the function of Trapezius?

Answer 1

To stabilise the Scapula.

Question 2

What is the action of the upper trapezius?

Answer 2

To elevate and upwardly rotate the Scapula.

Question 3

What is the action of the middle trapezius?

Answer 3

To adduct the scapula (retract)

Question 4

What is the action of the lower trapezius?

Answer 4

To depress the scapula

Question 5

What is the action of the deltoid?

Answer 5

To abduct the arm.

Question 6

What is the action of the Rhomboid major and minor?

Answer 6

To adduct the scapula, elevate the scapula and downwardly rotate the scapula.

Question 7

What is the action of the Levator scapula?

Answer 7

Elevate the scapula, downwardly rotate the scapula, laterally flex the head and neck, rotate the head and neck to the same side.
Bilaterally: extend head and neck

Question 8

What is the action of the Bicep brachii?

Answer 8

Flex the elbow.

Question 9

What is the action of the tricep brachii?

Answer 9

Extend the elbow.
Long head: extend the shoulder and adduct the shoulder.

Question 10

What is the action of the latissimus Dorsi?

Answer 10

Extend the shoulder, adduct the shoulder and medially rotate the shoulder.