Third 3 Muscles

Question 1

Lateral 1/3 of the clavicle (anterior)

Answer 1

Deltoid Origin

Question 2

Acromion of the scapula (middle)

Answer 2

Deltoid Origin

Question 3

Lower lip of crest of the spine of the scapula (posterior)

Answer 3

Deltoid Origin

Question 4

Deltoid tuberosity of the humerus

Answer 4

Deltoid Insertion

Question 5

Abduction of humerus (middle)

Answer 5

Deltoid Action

Question 6

Flexion, internal rotation, and horizontal adduction of humerus (anterior)

Answer 6

Deltoid Action

Question 7

Hyperextension, external rotation, and horizontal abduction of the humerus (posterior)

Answer 7

Deltoid Action

Question 8

Axillary Nerve, C5, C6

Answer 8

Deltoid Innervation

Question 9

Medial 1/2 of the front of the clavicle

Answer 9

Pectoralis Major Origin

Question 10

Anterior surface of the sternum, upper 6 costal cartilages, and aponeurosis of the external oblique muscle

Answer 10

Pectoralis Major Origin

Question 11

Lateral lip of the bicipital groove of the humerus

Answer 11

Pectoralis Major Insertion

Question 12

Crest of the greater tubercle of the humerus

Answer 12

Pectoralis Major Insertion

Question 13

Horizontal adduction of the humerus

Answer 13

Pectoralis Major Action

Question 14

Internal rotation of the humerus

Answer 14

Pectoralis Major Action

Question 15

Flexion of humerus

Answer 15

Pectoralis Major Action

Question 16

Medial and Lateral Pectoral Nerves, C5, C6, C7, C8, T1

Answer 16

Pectoralis Major Innervation

Question 17

Dorsal Surface of the scapula near its inferior angle

Answer 17

Teres Major Origin

Question 18

Medial lip of the bicipital groove of the humerus

Answer 18

Teres Major Insertion

Question 19

Crest of the lesser tubercle of humerus

Answer 19

Teres Major Insertion

Question 20

Internal rotation of the humerus

Answer 20

Teres Major Action

Question 21

Extension and hyperextension of humerus;

Answer 21

Teres Major Action

Question 22

Adduction

Answer 22

Teres Major Action

Question 23

Lower Subscapular Nerve, C5, C6

Answer 23

Teres Major Innervation