B. It makes the most sense
Hope this helps pls mark brainliest
The answer would be : Chest strap
In order to monitor your Target heart Rate Zone, the most common method is by using a heart monitor (the portable device) to measure your heart rate during various types of activities. In order to keep the heart monitor in place during the your activities you could use a Chest Strap.
All jokes aside I love your kurmui pfp!!
All except the fourth (one therapy for all ages).
Assisted living homes, long term care facilities,
