What is the major function of the acromioclavicular joint?
A) Stabilizes scapula during arm movement to maintain static position of the scapula
B) Stabilizes scapula on thoracic wall
C) Rotates scapula during arm movement to keep humeral head and glenoid fossa aligned
D) Rotates humerus on scapula
Correct Answer:
Verified
Q11: Which of the following bony structures form
Q12: What is the typical vertebral level of
Q13: What muscle group produces upward scapular rotation?
A)Serratus
Q14: What arthrokinematic motion occurs during glenohumeral extension?
A)Humeral
Q15: What are the arthrokinematics of the glenohumeral
Q17: Which definition BEST describes clavicle protraction?
A)30° of
Q18: Which of the following bony landmarks is
Q19: What motion at the sternoclavicular joint is
Q20: What humeral motion must occur to achieve
Q21: Which of the following muscles produce scapular
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