Myscles Of Rotator Cuff (SITS) Flashcards
1
Q
What is the origin, insertion and action for the supraspinatus?
A
O: supraspinous fossa
I: greater tubercle
A: abducts arm
2
Q
What is the origin, insertion and action for the Infraspinatus?
A
O: infraspinous fossa
I: greater tubercle
A: laterally rotates, and adducts arm
3
Q
What is the origin, insertion and action for the Teres Minor?
A
O: lateral border
I: greater tubercle
A: laterally rotates and adducts arm
4
Q
What is the origin, insertion and action for the subscapularis?
A
O: subscapular fossa
I: lesser tubercle
A: medially rotates arm
5
Q
What’s the joints of the rotator cuff?
A
AC (acromioclavicular joint)
SC (sternoclavicular joint)
GH (Glenohumeral joint)
ST (Scapulothoracic joint)
