shoulder girdle

Question 1

Shoulder girdle

Answer 1

consists of the scapula and clavicle

Question 2

Shoulder joint

Answer 2

few ligaments Scapula, mobile joint (humerus and scapula)

Question 3

Shoulder complex bones

Answer 3

Scapula, Clavicle, Sternum, Humerus, Rib cage

Question 4

Joints of shoulder complex

Answer 4

Sternoclavicular, Acromiclavicular, Glenohumeral

Question 5

Scapulothoracic Articulation

Answer 5

Not a joint, connects indirectly via clavicle, provide motion and flexibility

Question 6

Motions of shoulder girdle with SC/AC

Answer 6

elevation, depression, protraction, retraction, upward and downward rotation

Question 7

Superior angle (Scapula

Answer 7

levator scapula

Question 8

Inferior angle (scapula)- action

Answer 8

determines scapula rotation

Question 9

Vertebral border (Scapula

Answer 9

Rhomboids/ serratus anterior

Question 10

Spine (scapula

Answer 10

middle trap/ lower trap

Question 11

Acromion Process (Scapula)-

Answer 11

upper trapezius

Question 12

Coracoid process (scapula)-

Answer 12

pectoralis minor

Question 13

Joints and ligaments of shoulder girdle

Answer 13

sternoclavicular joint, Costoclavicular lig, interclavicular lig, acromioclavicular joint.

Question 14

Sternoclavicular joint

Answer 14

direct attachment girdle to trunk

Question 15

Sternoclavicular lig

Answer 15

reinforces join capsule

Question 16

Articular disk

Answer 16

shock absorber

Question 17

Interclavicular ligament

Answer 17

connects sternal end of clavicle, limits clavicle depression

Question 18

Costoclavicular ligament

Answer 18

ribs and clavicle connection, limits clavicle depression

Question 19

Acromioclavicular joint

Answer 19

connects acromion end w/ lateral clavicle

Question 20

Acromioclavicular ligament, function

Answer 20

hold acromion process to clavicle and prevent dislocation.

Question 21

Which ligaments of the girdle is really 2 parts

Answer 21

Coracoclavicular ligament (trapezoid, conoid)

Question 22

Scapular tilt

Answer 22

Occurs with GH hyperextension. Superior scapula tilt forward, inferior tilts posteriorly.

Question 23

how is Upward rotation of scapula happens

Answer 23

inferior angle moves away from spine

Question 24

explain scapula downward rotation

Answer 24

inferior angle moves towards spine

Question 25

What is significant about inferior angle during scapula rotation?

Answer 25

It is the reference point for rotation

Question 26

Shoulder joint flexion (companion motion)-

Answer 26

upward rotation,protraction, elevation

Question 27

Shoulder joint extension(companion motion)-

Answer 27

downward rotation, retraction, | Depression

Question 28

Scapulohumeral Rhythm

Answer 28

movements between shoulder girdle and joint, first 30 degree is GH motion, 2:1 scapulahumeral rhythm

Question 29

Muscles of shoulder girdle

Answer 29

Trapezius, Rhomboids, levator scapulae, serratus anterior, pectoralis minor.

Question 30

Prime movers of the traps?

Answer 30

Middle trapezius

Question 31

Antagonist of the the traps?

Answer 31

Upper and lower trapezius

Question 32

Force couple

Answer 32

muscles pulling together in different direction to accomplish same motion

Question 33

Upward rotation muscles

Answer 33

upper trap, lower trap, serratus anterior

Question 34

Downward rotation muscles

Answer 34

levator, rhomboids, pec minor