Joints Of The Shoulder

Question 1

StenoclavicularLigaments

Answer 1

Sternoclavicular Ligament
(Sternum/clavicle) weak

Interclavicular Ligament
Between 2 clavicles

Costoclavicular Ligament
Clavicle and costal (Strong)

Question 2

SC Movements

Answer 2

Protection/ retraction of clavicle
Elevation depression of clavicle
Rotation about a longitudinal axis

Question 3

SC Nerve Supply

Answer 3

Medial supraclavicular nerve

Nerve to subclavius

Question 4

Acromioclavicular Ligament

Answer 4

B/w clavicle and acromion

Question 5

Coraclavicular Ligament

Answer 5

Conoid/Trapezoid b/w coracoid Process of scapula and clavicle and holds onto clavicle

Question 6

Coracacromial ligament

Answer 6

Between coracoid process/ acromion of scapula

Provides superior displacement of humerus

Question 7

Movements if AC

Answer 7

Acromion of scapula glides on the acromial end

Question 8

Nerve supply if AC

Answer 8

Lateral supraclavicular
Lateral pectoral
Axillary

Question 9

Transverse Ligament

Answer 9

B/w greater and lesser tubercle

Question 10

Coracohumeral ligament

Answer 10

Coracoid and greater tubercle

Question 11

Coracoacromial ligament

Answer 11

Prevents superior displacement of humerus

Question 12

Movements available at GH

Answer 12

Flexion/Extenion
Abduction/ Adduction
Internal/ external rotation
Circumduction

Question 13

Nerve Supply of GH

Answer 13

Axillary Nerve
Suprascapular
Lateral pectoral

Question 14

Bursa of GH

Answer 14

Subscapular Bursa

Subacromial

Question 15

Functions of Glenoid Labrum

Answer 15

Increases depth of Fossa to increase congruency

Maintain negative pressure within joint
Provides insertion

Question 16

Function of the Coracoacromial arch

Answer 16

Protective arch of GH joint
Prevent superior displacement of humerus
Supraspinatus passes beneath

Question 17

Scapulothoracic movement

Answer 17

Elevation/ depresion
Protection/ retraction
Upward/downward rotation of glenoid cavity