How accurate are the wrist-based heart rate monitors during walking and running activities? Are they accurate enough?

How accurate are the wrist-based heart rate monitors during walking and running activities? Are they accurate enough? — المؤلف: Stahl, Sarah E — BMJ open sport & exercise medicine 2016

المؤلف
Stahl, Sarah E
النشر
BMJ open sport & exercise medicine 2016
الوصف
e000106 p.