Garmin Forerunner 305 Owner's Manual - Page 61
Heart Rate Information, What are heart rate zones? - specs
UPC - 753759051945
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Heart Rate Information Many runners and other athletes are using heart rate zones to measure and increase their cardiovascular strength and improve their level of fitness. Caution: Consult your physician to specify heart rate zones/targets that are appropriate for your fitness level and health condition. What are heart rate zones? A heart rate zone is simply a range of heartbeats per minute (bpm). The five commonly accepted heart rate zones are numbered from 1-5 according to increasing intensity. Generally, heart rate zones are calculated based on percentages of your maximum heart rate. See the next page to learn some of the Forerunner® 205/305 Owner's Manual Appendix effects of exercise as your heart rate reaches each of these zones. How do heart rate zones affect your fitness goals? Knowing your heart rate zones can help you measure and improve your fitness by understanding and applying these principles: • Your heart rate is a good measure of exercise intensity. • Training in certain heart rate zones can help you improve cardiovascular capacity and strength. • Knowing your heart rate zones can prevent you from overtraining and decrease your risk of injury. 57