One of the Fastest Ways to Elevate Heart Rate and Increase

One of the fastest ways to elevate heart rate and increase oxygen consumption during exercise is to add weight to the limb being moved. What is the BEST reason for choosing wrist weights instead of hand weights?

A) Wrist weights do not stress the small bones of the hand
B) Wrist weights do not require a gripping motion, thus reducing the likelihood of elevated blood pressure
C) Wrist weights are more comfortable
D) Wrist weights are less expensive