Synergists Shoulder

Question 1

Shoulder Flexion

Answer 1

Deltoid (anterior fibers)
Pectoralis major (upper fibers)
Biceps brachii
Coracobrachialis

Question 2

Shoulder Extension

Answer 2

Deltoid (posterior fibers)
Latissimus dorsi
Teres major
Inraspinatus
Teres minor
Pectoralis major (lower fibers)
Triceps brachii (long head)

Question 3

Shoulder Horizontal Abduction

Answer 3

Deltoid (posterior fibers)
Infraspinatus
Teres minor

Question 4

Shoulder Horizontal Adduction

Answer 4

Deltoid (anterior fibers)
Pectoralis major (upper fibers)

Question 5

Shoulder Abduction

Answer 5

Deltoid (all fibers)
Supraspinatus

Question 6

Shoulder Adduction

Answer 6

Latissimus dorsi
Teres major
Infraspinatus
Teres minor
Pectoralis major (all fibers)
Triceps brachii (long head)
Coracobrachialis

Question 7

Shoulder Lateral Rotation

Answer 7

Deltoid (posterior fibers)
Infraspinatus
Teres minor

Question 8

Shoulder Medial Rotation

Answer 8

Deltoid (anterior fibers)
Latissimus dorsi
Teres major
Subscapularis
Pectoralis major (all fibers)

Question 9

Scapula Elevation

Answer 9

Trapezius (upper fibers)
Rhomboid major
Rhomboid minor
Levator scapula

Question 10

Scapula Depression

Answer 10

Trapezius (lower fibers)
Serratus anterior (with origin fixed)
Pectoralis minor

Question 11

Scapula Adduction (retraction)

Answer 11

Trapezius (middle fibers)
Rhomboid major
Rhomboid minor

Question 12

Scapula Abduction (protraction)

Answer 12

Serratus anterior (with origin fixed)
Pectoralis minor

Question 13

Scapula Upward Rotation

Answer 13

Trapezius (upper and lower fibers)

Question 14

Scapula Downward Rotation

Answer 14

Rhomboid major
Rhomboid minor
Levator Scapula