Garmin Forerunner 910XT Owners Manual - Page 38

Training Effect value increases, telling you how the activity has improved your fitness. Training Effect is determined by your user profile information, heart rate, duration, and intensity of your activity. It is important to know that your training effect numbers (1.0-5.0) may seem abnormally high during your first few runs. It takes several activities for the device to learn your aerobic fitness. Training Effect 1.0-1.9 2.0-2.9 3.0-3.9 4.0-4.9 Description Helps recovery (short activities). Improves endurance with longer activities (more than 40 minutes). Maintains your aerobic fitness. Improves your aerobic fitness if repeated as part of your weekly training program. Highly improves your aerobic fitness if repeated 1-2 times per week with adequate recovery time. 5.0 Causes temporary overload with high improvement. Train up to this number with extreme care. Requires additional recovery days. Training Effect technology is provided and supported by Firstbeat Technologies Ltd. For more information, go to www.firstbeattechnologies.com. Data Fields You can customize data fields on up to four training pages for each sport. The data fields you customize are saved for the active sport. Some data fields are not available because they are specific to a sport mode. Data fields with the * symbol display statute or metric units. Data fields with the ** symbol require an ANT+ sensor. Data Field Description Cadence ** For running, cadence is measured in steps per minute (spm). For cycling, cadence is measured in revolutions of the crank arm per minute (rpm). 36 Customizing Your Device