Question

when doing curls, john is careful to extend through the full range of motion and quickly lock his elbows to make sure that he does not drop the weight. this is an example of _______. a. a good technique because he moves quickly b. a bad technique because he moves through the range of motion c. a good technique because he is paying attention to form d. a bad technique because he quickly locks a joint please select the best answer from the choices provided. a b c d

Explanation:

• Option A: Moving quickly during curls isn't a sign of good technique as it can lead to injury and poor muscle engagement, so A is wrong.
• Option B: Moving through the full range of motion is generally good for exercise, so B's reasoning is incorrect.
• Option C: While paying attention to form is good, quickly locking the elbow (a joint) is bad, so C is wrong.
• Option D: Quickly locking a joint (elbow here) during exercise is a bad technique as it can cause joint stress and injury.

Answer:

D. a bad technique because he quickly locks a joint