Question

for full arm abduction, the glenohumeral joint goes through _ of abduction, scapula _ of lateral tipping, and the clavicle rotates ____ posteriorly.
a) 120 degrees, 90 degrees, 35 degrees
b) 180 degrees, 60 degrees, 60 degrees
c) 120 degrees, 60 degrees, 45 degrees
d) 180 degrees, 30 degrees, 60 degrees

Explanation:

For full - arm abduction, the glenohumeral joint typically undergoes about 120 degrees of abduction. The scapula has approximately 60 degrees of lateral tipping. And the clavicle rotates about 45 degrees posteriorly.

Answer:

C. 120 degrees, 60 degrees, 45 degrees