Shoulder joint

Question 1

What is the origin of the upper trapezius?

Answer 1

Occipital bone of lower

Nuchal ligament on upper cervical spinous process

Question 2

What is the insertion of the upper trapezius?

Answer 2

Outter third of clavicle

Acromion process

Question 3

What is the action of the upper trapezius?

Answer 3

Scapular elevation

Upward rotation

Question 4

What is the origin of the middle trapezius?

Answer 4

Spinous processes of C7-T3

Question 5

What is the insertion of the middle trapezius?

Answer 5

Scapular spine

Question 6

What is the action of the middle trapezius?

Answer 6

Scapular retraction

Question 7

What is the origin of the lavetor scapula?

Answer 7

Transverse processes of first 4 cervicle vertabra

Question 8

What is the insertion of the lavetor scapula?

Answer 8

Vertebral border of the scapula between superior angle and spine

Question 9

What is the action of the lavetor scapula?

Answer 9

Scapular elevation

Downward rotation

Question 10

What is the origin of the Rhomboids?

Answer 10

Spinous processes of C7-T5

Question 11

What is the insertion of the rhomboids?

Answer 11

Vertebral border of scapula between the inferior angle and spine.

Question 12

What is the action of the rhomboids?

Answer 12

Scapular retraction
Elevation
Downward rotation

Question 13

What is the origin of the serratus anterior?

Answer 13

Lateral surface of the upper 8 ribs

Question 14

What is the insertion of serratus anterior?

Answer 14

Vertebral border of the scapula

Anterior surface

Question 15

What is the action of the serratus anterior?

Answer 15

Scapular protraction

Upward rotation

Question 16

What is the origin of the pectoralis minor?

Answer 16

Anterior surface

Ribs 3-5

Question 17

What is the insertion of pectoralis minor?

Answer 17

Coracoid process of the scapula

Question 18

What is the action of pectoralis minor?

Answer 18

Scapular depression
protraction
Downward rotation
Tilt

Question 19

What is the origin of anterior deltoid?

Answer 19

Lateral 3rd of the clavicle

Question 20

What is the insertion of the anterior deltoid?

Answer 20

Deltoid tuberosity

Question 21

what is the action of anterior deltoid?

Answer 21

Shoulder abduction
Flexion
Medial rotation
horizontal adduction

Question 22

What is the origin of the middle deltoid?

Answer 22

Acromion process

Question 23

What is the insertion of the middle deltoid?

Answer 23

Deltoid tuberosity

Question 24

What is the action of the middle deltoid?

Answer 24

Shoulder abduction

Question 25

What is the origin of the posterior deltoid?

Answer 25

Spine of scapula

Question 26

What is the insertion of posterior deltoid?

Answer 26

Deltoid tuberosity

Question 27

What is the action of posterior deltoid?

Answer 27

``` Shoulder abduction Extension Hyperextension Lateral rotation Horizontal abduction ```

Question 28

What is the origin of the pectoralis major?

Answer 28

Medial 3rd of clavical Sternum Coastal cartilage of first 6 ribs

Question 29

What is the insertion of pectoralis major?

Answer 29

Lateral lip of bicipital groove of humerus

Question 30

What is the action of pectoralis major?

Answer 30

Shoulder adduction Medial rotation Horizontal adduction (clavicle: flex, sternal:extend)