Muscles That Move The Shoulder - Chp 10

Question 1

6 Muscles that move the shoulder

Answer 1

1. Pectoralis major
2. Deltoid
3. Latissimus dorsi
4. Coracobrachialis
5. Teres major
6. Serratus Anterior

Question 2

Pectoralis major - O =

Answer 2

O: clavicle, sternum

Question 3

Pectoralis major - I =

Answer 3

I: intertubercular groove

Question 4

Pectoralis major - A =

Answer 4

A: ADduct & rotate internally humerus, assist flexion

Question 5

Deltoid - O =

Answer 5

O: acromion process & clavicle

Question 6

Deltoid - I =

Answer 6

I: deltoid tuberosity of humerus

Question 7

Deltoid - A =

Answer 7

A: ABduct humerus 30-90 degrees , some ext & flex

Question 8

Latissimus dorsi - O =

Answer 8

O: thoracodorsal fascia, T & L spinous processes, ilium

Question 9

Latissimus dorsi - I =

Answer 9

I: intertubercular groove

Question 10

Latissimus dorsi - A =

Answer 10

A: extend, internally rotate, ADduct arm

Question 11

Coracobrachialis - O =

Answer 11

O: coracoid process of scapula

Question 12

Coracobrachialis - I =

Answer 12

I: humeral shaft

Question 13

Coracobrachialis - A =

Answer 13

A: shoulder flexion

Question 14

Teres major - O =

Answer 14

O: scapula

Question 15

Teres major - I =

Answer 15

I: intertubercular groove

Question 16

Teres major - A =

Answer 16

A: internal rotation, extension, ADduct humerus

Question 17

Serratus Anterior - O =

Answer 17

O: Ribs 1-8

Question 18

Serratus Anterior - I =

Answer 18

I: infero-medial scapula

Question 19

Serratus Anterior - A =

Answer 19

A: abduct arm > 90 degrees