what are the rotator cuff muscles and its abbreviation?
supraspinatus infraspinatus teres minor subscapularis SITS is the abbreviation
why is teres major not apart of the rotator cuff muscles?
teres major connects to the anterior portion of the humerus
what do the rotator cuffs have in common?
they all must connect to the head of the humerus
what is the common action of the rotator cuff muscles?
The rotator cuff is a group of muscles and tendons that hold the shoulder joint in place and allow you to move your arm and shoulder.
what makes a rotator cuff capable of performing its job?
the attachment to the tubercles of the humerus
what is the action of the supraspinatus muscle?
abduction; AB
what is the action of the infraspinatus muscle?
extension; EX
what is the action of the teres minor muscle?
extension; EX
what is the action of the supraspinatus muscle?
inversion; IN