I hold my breath while working out on the bike. My heart beat is recorded the whole time. When my body is screaming for air I stop working out to concentrate on pushing myself. Once I start breathing the pace of my heart beat speeds way up.
Description
I hold my breath while working out on the bike. My heart beat is recorded the whole time. When my body is screaming for air I stop working out to concentrate on pushing myself. Once I start breathing the pace of my heart beat speeds way up.