Question

question 12 (mandatory) (2 points)
listen
while taking the shoulder from abduction to adduction, the humerus will ____. maca.
roll superiorly
slide inferiorly
roll inferiorly
slide superiorly

Explanation:

To solve this, we recall shoulder joint mechanics. During shoulder adduction (from abduction), the humerus rolls inferiorly and slides superiorly. Let's analyze each option:

• "Roll superiorly": Incorrect. In adduction, humerus rolls inferiorly.
• "Slide inferiorly": Incorrect. Slides superiorly in adduction.
• "Roll inferiorly": Correct. Humerus rolls inferiorly during adduction from abduction.
• "Slide superiorly": Correct. Humerus slides superiorly during this motion.

Answer:

C. Roll inferiorly, D. Slide superiorly