
Garmin Premium heart rate chest strap

Garmin Premium heart rate chest strap
Two questions: 1. If I start an activity on my watch, and leave my watch in the locker, will the HRM collect the data during my activity and sync it back to the watch once I come back to the locker and get my watch? 2. Does the strap stay in place well during vigorous activities? e.g. boxing, dance, gymnastics, where the body turns and twists a lot?