Manual Garmin Fenix 3 HR (page 7 of 34) (English)

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• Move away from sources that can interfere with your heart

rate monitor.

Sources of interference may include strong electromagnetic

fields, some 2.4 GHz wireless sensors, high-voltage power

lines, electric motors, ovens, microwave ovens, 2.4 GHz

cordless phones, and wireless LAN access points.

Running Dynamics

You can use your compatible

fēnix 3 device paired with the

HRM-Run

™

accessory to provide real-time feedback about your

running form. If your fēnix 3

device was packaged with the

HRM-Run accessory, the devices are already paired.

The HRM-Run accessory has an accelerometer in the module

that measures torso movement in order to calculate six running

metrics.

Cadence: Cadence is the number of steps per minute. It

displays the total steps (right and left combined).

Vertical oscillation: Vertical oscillation is your bounce while

running. It displays the vertical motion of your torso,

measured in centimeters for each step.

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 (Pairing ANT+

Sensors

, page

20)

. If your

fēnix

3 was packaged with the

accessory, the devices are already paired, and the

fēnix 3 is set

to display running dynamics.

Select an option:

• If your

HRM-Run accessory and

fēnix 3 device are already

paired, skip to step 8.

• If your

HRM-Run accessory and

fēnix 3 device are not

already paired, complete all the steps in this procedure.

Hold UP

Select Settings

> Apps

Select an activity.

Select

Data Screens.

Select a running dynamics data screen.

NOTE: The running dynamics screens are not available for

all activities.

Select Status > Enabled.

Go for a run (Going for a Run,

page

6).

Select

UP or DOWN to open a running dynamics screen to

view your metrics.

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 (

Ground Contact Time Balance Data,

page

3).

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 >183 spm <6.4 cm <6.1% <218 ms

Blue 70–95 174–183 spm 6.4–8.1 cm 6.1–7.4% 218–248 ms

Green 30–69 164–173 spm 8.2–9.7 cm 7.5–8.6% 249–277 ms

Orange 5–29 153–163 spm 9.8–11.5 cm 8.7–10.1% 278–308 ms

Red <5 <153 spm >11.5 cm >10.1% >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.

Heart Rate Features 3

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Others manual(s) of Garmin Fenix 3 HR

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Garmin Fenix 3 HR User Manual - Dutch - 38 pages

Garmin Fenix 3 HR User Manual - French - 38 pages

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Garmin Fenix 3 HR Manual

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