Rotator Cuff Flashcards
1
Q
Rotator cuff muscles
A
Stabilize the shoulder joint
Hold the head of the humerus in place
Known as the SITS muscles
Supraspinatus
Infraspinatus
Teres Minor
Subscapularis
2
Q
Supraspinatus
A
Actions: abducts humerus
Actions: Stabilizes humerus
3
Q
Infraspinatus
A
Actions: laterally rotates humerus
Actions: stabilizes humerus
4
Q
Teres Minor
A
Actions: laterally rotates humerus
Actions stabilizes humerus
5
Q
Subscapularis
A
Actions: Medially rotates humerus
Actions: abducts humerus
Actions: stabilizes the shoulder
6
Q
Impingement syndrome
A
From weak rotator cuff muscles
Impingement of tendons in the shoulder from bones of the shoulder and also tears in the rotator cuff muscles themselves
They most often tear near the place that the three of them insert on the greater tuberosity of the humerus
