Glenohumeral muscles

Question 1

Concentric actions of the pectoralis major

Answer 1

Both heads - adduction, internal rotation and horizontal adduction
Clavicular head - flexion

Question 2

Concentric actions of the coracobrachialis

Answer 2

Flexion and adduction

Question 3

Concentric actions of deltoid

Answer 3

All three portions acting together = Abduction
Anterior - Flexion, Horizontal adduction
Posterior- Extension, Horizontal abduction

Question 4

Concentric actions of the latissimus dorsi

Answer 4

Extension, adduction and internal rotation

Question 5

Concentric actions of the teres major

Answer 5

SAME AS LATTISUMIS DORSI
extension, adduction and internal rotation

Question 6

4 rotator cuff muscles

Answer 6

Supraspinatus, Infraspinatus, Teres minor, Subscapularis
SITS muscles

Question 7

Concentric action of the supraspinatus

Answer 7

Abduction

Question 8

Concentric actions of the infraspinatus and teres minor

Answer 8

External rotation, Horizontal abduction

Question 9

Concentic action of the subscapularis

Answer 9

Internal rotation