Muscle and Isolated function of the Shoulder Musculature

Question 1

Serratus Anterior

Answer 1

Concentrically accelerates scapular protraction

Question 2

Rhombiod Major

Answer 2

Concentrically accelerates scapular retraction and downward rotation

Question 3

Rhombiod Minor

Answer 3

Concentrically produces scapular retraction and downward rotation

Question 4

Lower Trapezius

Answer 4

Concentrically accelerates scapular depression

Question 5

Middle Trapezius

Answer 5

Concentrically accelerates scapular retraction

Question 6

Upper Trapezius

Answer 6

Concentrically accelerates cervical extension, lateral flexion, and rotation
Concentrically accelerates scapular elevation

Question 7

Pectoralis Major

Answer 7

Concentrically accelerates shoulder flexion (clavicular fibers) horizontal adduction, and internal rotation

Question 8

Pectoralis Minor

Answer 8

Concentrically protracts the scapula (draws the scapula forward and down)

Question 9

Anterior Deltoid

Answer 9

Concentrically accelerates shoulder flexion, and internal rotation

Question 10

Medial Deltoid

Answer 10

Concentrically accelerates shoulder abduction

Question 11

Posterior Deltoid

Answer 11

Concentrically accelerates should extension and external rotation

Question 12

Teres Major

Answer 12

Concentrically accelerates shoulder internal rotation adduction and extension