I recently started using a Heart Rate Varibility(HRV) unit by Ithlete. The HRV is a tool to objectively see how your workouts are stessing your body. Should you have a rest day or a tough workout?, the HRV can guide you in the right direction.
ithlete features and benefits:
• Objectively measure your body’s response to each workout
• Improve performance without risk of injury or illness
• Decide when and how hard to train
• Optimize your recovery
• Receive early warnings to help avoid overtraining
• Perfect your taper period before big races
• Track long-term changes in your aerobic fitness
• Enjoy rest days without feeling guilty
• Receiver works with most heart rate monitor chest straps
• App compatible with iPhone and iPod touch
for more information go to Ithlete.com . The owner of the Ithlete will quickly respone to e-mail question.
Check out this you tube viedo of the Ithlete HRV: http://www.youtube.com/watch?v=7Zo3svwkW7c