Garmin Forerunner 945 LTE Owners Manual - Page 46

Color Gauges and Running Dynamics Data, Ground Contact Time Balance Data

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Color Gauges and Running Dynamics Data The running dynamics screens display a color gauge for the primary metric. You can display cadence, vertical oscillation, ground contact time, ground contact time balance, or vertical ratio as the primary metric. The color gauge shows you how your running dynamics data compare to those of other runners. The color zones are based on percentiles. Garmin has researched many runners of all different levels. The data values in the red or orange zones are typical for less experienced or slower runners. The data values in the green, blue, or purple zones are typical for more experienced or faster runners. More experienced runners tend to exhibit shorter ground contact times, lower vertical oscillation, lower vertical ratio, and higher cadence than less experienced runners. However, taller runners typically have slightly slower cadences, longer strides, and slightly higher vertical oscillation. Vertical ratio is your vertical oscillation divided by stride length. It is not correlated with height. Go to www.garmin.com/performance-data/running/ for more information on running dynamics. For additional theories and interpretations of running dynamics data, you can search reputable running publications and websites. Color Zone Percentile in Zone Cadence Range Ground Contact Time Range Purple >95 Blue 70-95 >183 spm 52.2% R While developing and testing running dynamics, the Garmin team found correlations between injuries and greater imbalances with certain runners. For many runners, ground contact time balance tends to deviate further from 50-50 when running up or down hills. Most running coaches agree that a symmetrical running form is good. Elite runners tend to have quick and balanced strides. You can watch the color gauge or data field during your run or view the summary on your Garmin Connect account after your run. As with the other running dynamics data, ground contact time balance is a quantitative measurement to help you learn about your running form. 38 Heart Rate Features

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Color Gauges and Running Dynamics Data
The running dynamics screens display a color gauge for the primary metric. You can display cadence, vertical
oscillation, ground contact time, ground contact time balance, or vertical ratio as the primary metric. The color
gauge shows you how your running dynamics data compare to those of other runners. The color zones are
based on percentiles.
Garmin has researched many runners of all different levels. The data values in the red or orange zones are
typical for less experienced or slower runners. The data values in the green, blue, or purple zones are typical for
more experienced or faster runners. More experienced runners tend to exhibit shorter ground contact times,
lower vertical oscillation, lower vertical ratio, and higher cadence than less experienced runners. However, taller
runners typically have slightly slower cadences, longer strides, and slightly higher vertical oscillation. Vertical
ratio is your vertical oscillation divided by stride length. It is not correlated with height.
Go to
www.garmin.com/performance-data/running/
for more information on running dynamics. For additional
theories and interpretations of running dynamics data, you can search reputable running publications and
websites.
Color Zone
Percentile in Zone
Cadence Range
Ground Contact Time Range
Purple
>95
>183 spm
<218 ms
Blue
70–95
174–183 spm
218–248 ms
Green
30–69
164–173 spm
249–277 ms
Orange
5–29
153–163 spm
278–308 ms
Red
<5
<153 spm
>308 ms
Ground Contact Time Balance Data
Ground contact time balance measures your running symmetry and appears as a percentage of your total
ground contact time. For example, 51.3% with an arrow pointing left indicates the runner is spending more time
on the ground when on the left foot. If your data screen displays both numbers, for example 48–52, 48% is the
left foot and 52% is the right foot.
Color Zone
Red
Orange
Green
Orange
Red
Symmetry
Poor
Fair
Good
Fair
Poor
Percent of Other Runners
5%
25%
40%
25%
5%
Ground Contact Time Balance
>52.2% L
50.8–52.2% L
50.7% L–50.7% R
50.8–52.2% R
>52.2% R
While developing and testing running dynamics, the Garmin team found correlations between injuries and
greater imbalances with certain runners. For many runners, ground contact time balance tends to deviate
further from 50–50 when running up or down hills. Most running coaches agree that a symmetrical running
form is good. Elite runners tend to have quick and balanced strides.
You can watch the color gauge or data field during your run or view the summary on your Garmin Connect
account after your run. As with the other running dynamics data, ground contact time balance is a quantitative
measurement to help you learn about your running form.
38
Heart Rate Features