Objective 2 Movements at the Sh/Pectoral Girdle

Question 1

What muscles perform protraction of the pectoral girdle

Answer 1

• pectoralis minor

- serratus anterior

Question 2

What muscles perform retraction of the pectoral girdle

Answer 2

• rhomboid major and minor

- trapezius (middle fibres)

Question 3

what muscles perform elevation of the pectoral girdle

Answer 3

• trapezius (upper fibres)

- levator scapulae

Question 4

what muscles perform depression of the pectoral girdle

Answer 4

• trapezius (lower fibres)

- pectoralis minor

Question 5

what muscles perform upward rotation of the pectoral girdle

Answer 5

• serratus anterior

- trapezius

Question 6

what muscles perform downward rotation of the pectoral girdle

Answer 6

• rhomboid major and minor
• pectoralis minor
• levator scapulae

Question 7

what muscles perform medial rotation of the shoulder

Answer 7

Pectoralis major
Subscapularis
Anterior deltoid
Latissimus dorsi
Teres major

Question 8

what muscles perform lateral rotation of the shoulder

Answer 8

Teres minor
Infraspinatus
Pectoral minor

Question 9

what muscles perform abduction of shoulder

Answer 9

• supraspinatus

- deltoid

Question 10

what muscles perform adduction of the shoulder

Question 11

what muscles perform flexion of the shoulder

Question 12

what muscles perform extension of the shoulder