However, when we keep pushing your workouts aside your health is also being pushed aside as well. (lovingmomentsbras.com)
The device has a built - in heart rate sensor and a voice coach to push your workouts into overdrive. (pcworld.com)
It monitors how well a user's muscles are processing oxygen and then relays that information to an iPhone screen, which indicates whether the user can safely push a workout harder or should stop and recover. (entrepreneur.com)