shoulder joint

Question 1

Shoulder joint articulation

Answer 1

ball and socket, humeral articulating with glenoid fossa of scapula

Question 2

Planes of movements

Answer 2

3 planes/axes of movements, least stable

Question 3

Sagittal plane/frontal Axis motions

Answer 3

flexion. extension, hyperextension

Question 4

Frontal plane/Sagittal axis

Answer 4

abduction/adduction

Question 5

Transverse plane/Vertical Axis

Answer 5

external rotation, internal rotation, horizontal ab/add

Question 6

Joint capsule

Answer 6

A thin container, attaches around the rim of glenoid fossa of scapula

Question 7

Taut.

Answer 7

at the end of normal range of movements, part of the joint capsule become tight (taught), to prevent movement beyond normal range

Question 8

Taut/slack ex

Answer 8

shoulder abducted, inferior taut, superior slack

Question 9

Coracohumeral ligament

Answer 9

attaches to coracoid process, strengthen upper part of joint capsule

Question 10

Glenoid Labrum

Answer 10

fibrous tissues surrounding glenoid fossa, deepens cavity

Question 11

Subdeltoid bursa

Answer 11

large bursa located b/w deltoid muscles and joint capsule

Question 12

Subacromial Bursa

Answer 12

between acromion/coracoacromial lig

Question 13

Rotator cuff define/muscles

Answer 13

tendinous band formed by insertions of Supraspinatus, Infraspinatus, Teres Minor, Subscapularis

Question 14

Structures that helps shoulder stability

Answer 14

Glenoid labrum, glenoid fossa, joint capsule, rotator cuff muscles, shoulder muscles.

Question 15

Muscles of shoulder joint

Answer 15

deltoid, supraspinatus, pec major, latissimus dorsi,teres major, infraspinatus, teres minor, subscapularis, coracobrachialis, biceps brachii, triceps brachii