Origins and Insertions

Question 1

What are origins and insertions?

Answer 1

Points of muscle attachments on a bone

Question 2

Define origin

Answer 2

The bone where the muscle anchors to

Question 3

Define insertion

Answer 3

the bone the muscle is going to move

Question 4

What happens during contraction?

Answer 4

Muscles pull

Question 5

What do insertions do?

Answer 5

Insertions move towards origin

Question 6

Pectoralis Major origin, insertion, and body part moved

Answer 6

Origin: sternum

Insertion: Tubercle of humerus

Body part moved: Arm

Question 7

Deltoid origin, insertion, and body part moved

Answer 7

Origin: pectoral girdle

Insertion: Deltoid tuberosity of humerus

body part moved: Arm

Question 8

Tricep Brachii origin, insertion, and body part moved

Answer 8

Origin: Posterior humerus

Insertion: Olecranon of Ulna

Body part moved: forearm

Question 9

Gluteus maximus origin, insertion, and body part moved

Answer 9

Origin: illium

Insertion: gluteal tuberosity of femur

body part moved: thigh

Question 10

Rectus abdominis origin, insertion, and body part moved

Answer 10

Origin: pubis

Insertion: Lower ribs (xiphoid process of sternum)

Body part moved: torso and spine