shoulder joint complex

Question 1

what are the shoulder complex movements?

Answer 1

• flexion/extension
• abduction/adduction
• horizontal abduction/adduction
• internal/external rotation
• *aka circumduction**

Question 2

what is scapulohumeral rhythm?

Answer 2

when the arm gets above a certain degree, the humerus and scapula move continuously and synchronously at a 2:1 ratio

Question 3

what are the bones of the shoulder?

Answer 3

• clavicle
• sternum
• scapula
• humerus

Question 4

what are the joints of the shoulder?

Answer 4

• acromioclavicular joint
• sternoclavicular joint and ligament
• glenohumeral joint

Question 5

what are the ligaments of the shoulder?

Answer 5

• acromioclavicular ligament
• coracoacromial ligament
• glenohumeral ligament

Question 6

what are the rotator cuff muscles? (S.I.T.S)

Answer 6

• supraspinatous
• infraspinatous
• teres minor
• subscapularis

Question 7

what are shoulder mechanisms of injury?

Answer 7

• direct trauma
• indirect traume
• throwing- type motions