Lean and Mean » Omron HR-100C Heart Rate Monitor

Lean and Mean » Omron HR-100C Heart Rate Monitor: "Knowing your heart rate is important because if you are working out too hard, your activity can become counter productive and strain muscles. To achieve an effective workout, no matter what the aerobic activity, you must maintain your heart rate at a proper level for a minimum of 20 minutes. A quality heart rate monitor is the best way to do that. "