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Shoulder Muscle Study Guide
Terms in this set (10)
What is the glenohumeral joint?
Where the head of the humerus fits into the glenoid cavity (clinical term for the shoulder joint)
What four muscles make up the Rotator Cuff Process?
Supraspinatus, Infraspinatus, Teres Minor, Subscapularis (SITS)
What two things pose the most difficulty for the shoulder joint? Why?
Overhead and overuse; the humerus tries to disengage from the glenoid cavity when the arm is raised
What is Teres Minor's nickname?
Latissimus Dorsi's "Little Helper"
Which of the "SITS" is not a rotator? What is it?
Supraspinatus; an abductor
The shoulder is what type of joint? What is its "claim to fame?"
Ball and socket joint; circumduction (multiple motion within a single movement)
What is acromial loading?
Putting to much stress/pressure down onto the shoulder, i.e. mailbags and purses
What is the labrum?
A disk-like tendon in the glenoid cavity that gives it more depth
What gives the shoulder stability? What muscle provides stability from the bottom?
"SITS" muscles; Teres Minor
Why is the Deltoid referred to as a cap sleeve?
It is at the very end of the shoulder (where cap sleeve shirts end)
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