Movements of Shoulder Girdle on Trunk

Question 1

muscles involved in elevation

Answer 1

1. levator scapulae
2. trapezius, upper part
3. rhomboid major and minor

Question 2

muscles involved in depression

Answer 2

1. pectoralis minor
2. trapezius, lower part
3. latissimus dorsi
4. pectoralis major, sternocostal part

Question 3

muscles involved in protraction

Answer 3

1. serratus anterior

2. pectoralis minor

Question 4

muscles involved in retraction

Answer 4

1. rhomboid major and minor

2. trapezius, middle fibers

Question 5

muscles involved in lateral rotation (in abduction)

Answer 5

1. serratus anterior

2. trapezius, upper and lower parts

Question 6

muscles involved in medial rotation (in adduction)

Answer 6

1. rhomboid major and minor
2. levator scapulae
3. pectoralis minor