Muscular System (Upper Body)

Question 1

What is the major action of the Biceps brachii? What is the anatomical plane of movement?

Answer 1

Flexion of the elbow joint

Sagital Plane

Question 2

What are the origins and insertion of the Biceps brachii?

Answer 2

ORIGIN: corocoid process, glenoid cavity of the scapula
INSERTION: radial tuberosity

Question 3

What is the major action of the Triceps brachii? What is the anatomical plane of movement?

Answer 3

Extension of the elbow joint

Sagital Plane

Question 4

What is the origins and insertion of the triceps brachii?

Answer 4

ORIGIN: Humerus and Scapula
INSERTION: Olecranon

Question 5

What are the two major actions of the pectoralis major? What are the anatomical planes of the movements?

Answer 5

Flexion of the arm
Adduct and rotate the arm medially
All three planes

Question 6

What are the origins and insertion of the pectoralis major?

Answer 6

ORIGIN: clavicle and sternum
INSERtion: Greater tubercle of the humerus

Question 7

What are the three major actions of the deltoid? What are the anatomical planes of movement?

Answer 7

Abduct, flex and extend the arm medially

All three planes

Question 8

What are the origins and insertion of the deltoid?

Answer 8

ORIGINS: Scapula and clavicle
INSERTION: Deltoid tuberosity of the humerus

Question 9

What are the two major actions of the trapezius? What are the anatomical planes of movement?

Answer 9

Extend the head
Retraction, elevation and depression of the scapula
All three planes

Question 10

What are the two major actions of the latissimus dorsi? what are the planes of movement?

Answer 10

Adduct and rotate the arm medially

Frontal and transverse planes

Question 11

What is the major action of the rectus abdominis?

Answer 11

Flexion of the abdomen

Question 12

What is the major action of the external oblique?

Answer 12

Compression of the abdomen

Question 13

What are the muscles recruited in a push up?

Answer 13

Pectoralis
Deltoid
Triceps brachii
Abdominal muscles