Anatomy: Shoulder Flexors

Question 1

Coracobrachialis Origin

Answer 1

Coracoid process of scapula

Question 2

Coracobrachialis Insertion

Answer 2

Medial surface of middle shaft of humerus

Question 3

Coracobrachialis Action

Answer 3

• Flexes shoulder (GH joint)
• Adducts shoulder

Question 4

Coracobrachialis Texture & Depth

Answer 4

Non-Ropy; Superficial & Deep

Question 5

Pectoralis Major Origin

Answer 5

Medial half of clavicle, sternum, cartilage of ribs 1 through 6

Question 6

Pectoralis Major Insertion

Answer 6

Crest of greater tubercle of humerus

Question 7

Pectoralis Major Action of All Fibers

Answer 7

• Adducts shoulder
• Medially rotates shoulder
• Assists in elevating thorax in forced inspiration

Question 8

Pectoralis Major Additional Actions of Upper Fibers

Answer 8

• Flexes shoulder
• Horizontally adducts shoulder

Question 9

Pectoralis Major Additional Action of Lower FIbers

Answer 9

• Extend shoulder

Question 10

Pectoralis Major Texture & Depth

Answer 10

Non-ropy; Superficial

Question 11

Lats Little Helper

Answer 11

Teres Major

Question 12

Teres Major Origin

Answer 12

Interior angle & lower 1/3 of lateral border of scapula

Question 13

Teres Major Insertion

Answer 13

Crest of the lesser tubercle of humerus

Question 14

Teres Major Actions

Answer 14

• Extends shoulder
• Adducts shoulder
• Medially rotates humerus

Question 15

Teres Major Texture & Depth

Answer 15

Non-ropy; Superficial