Garmin D2 BRAVO TITANIUM Instrukcja obsługi - Strona 8
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Ground contact time: Ground contact time is the amount of
time in each step that you spend on the ground while
running. It is measured in milliseconds.
NOTE: Ground contact time is not available while walking.
Ground contact time balance: Ground contact time balance
displays the left/right balance of your ground contact time
while running. It displays a percentage. For example, 53.2
with an arrow pointing left or right.
Stride length: Stride length is the length of your stride from one
footfall to the next. It is measured in meters.
Vertical ratio: Vertical ratio is the ratio of vertical oscillation to
stride length. It displays a percentage. A lower number
typically indicates better running form.
Training with Running Dynamics
Before you can view running dynamics, you must put on the
HRM-Run accessory and pair it with your device
Sensors, page
22). If your D2 Bravo was packaged with the
accessory, the devices are already paired, and the D2 Bravo is
set to display running dynamics.
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.
NOTE: The color gauge for ground contact time balance is different
Go to
www.garmin.com
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 Vertical Oscillation Range Vertical Ratio Ground Contact Time Range
Purple
>95
Blue
70–95
Green
30–69
Orange 5–29
Red
<5
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
Symmetry
Percent of Other Runners
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.
Tips for Missing Running Dynamics Data
If running dynamics data does not appear, you can try these
tips.
• Make sure you have the HRM-Run accessory.
Accessories with running dynamics have
module.
• Pair the HRM-Run accessory with your D2 Bravo device
again, according to the instructions.
• If the running dynamics data display shows only zeros, make
sure the heart rate monitor is worn right-side up.
4
(Pairing ANT+
>183 spm
<6.4 cm
174–183 spm
6.4–8.1 cm
164–173 spm
8.2–9.7 cm
153–163 spm
9.8–11.5 cm
<153 spm
>11.5 cm
Red
Orange
Poor
Fair
Good
5%
25%
40%
on the front of the
1
Select an option:
• If your HRM-Run accessory and D2 Bravo device are
already paired, skip to step 8.
• If your HRM-Run accessory and D2 Bravo device are not
already paired, complete all the steps in this procedure.
2
Hold UP.
3
Select Settings > Apps.
4
Select an activity.
5
Select Data Screens.
6
Select a running dynamics data screen.
NOTE: The running dynamics screens are not available for
all activities.
7
Select Status > Enabled.
8
Go for a run
9
Select UP or DOWN to open a running dynamics screen to
view your metrics.
(Ground Contact Time Balance Data, page
<6.1%
6.1–7.4%
7.5–8.6%
8.7–10.1%
>10.1%
Green
Orange
Fair
25%
NOTE: Ground contact time and balance appears only while
running. It is not calculated while walking.
Physiological Measurements
These physiological measurements require wrist-based heart
rate or a compatible heart rate monitor. The measurements are
estimates that can help you track and understand your training
activities and race performances. These estimates are provided
and supported by Firstbeat.
(Going for a Run, page
7).
<218 ms
218–248 ms
249–277 ms
278–308 ms
>308 ms
Red
Poor
5%
4).
Heart Rate Features