How do I use Motion Analysis?

The motion analysis tool is extremely flexible and can be used for analyzing any stroke or skill. Some examples of skills that can be analyzed include stroke cycles, dolphin kicks, power pull-outs, breakouts, push offs and streamline, and more.

Starting a motion analysis workout

Live home_start MA
  • Select Start Motion Analysis on the TritonWear Live home screen.
  • Turn on your devices and pair all swimmers recording a motion analysis workout. You cannot add units once a workout is started
  • Select first swimmer, make sure they are in the frame (and stays in the frame throughout) and start recording.
  • Have the swimmer tap the unit twice before swimming - this will be helpful once you start analyzing data!

Uploading data to the tablet

  • Once you end your video, you can review the recording and decide whether your want to retake or use video.
  • The data upload will start as soon as you tap Use Video. Multiple videos can be recorded while data is uploading to the tablet - the videos will be queued until the transfer is completed
  • Data upload will usually have a 1:2 ratio of video to upload time (i.e. a 10 second video takes about 20 seconds to upload). This will be faster if the athlete isn’t moving and closer to the hub

Syncing the motion profile to the video

For the best motion analysis experience, it’s important the video be perfectly aligned with the motion data from the unit. Due to the nature of clocks (yes, even digital ones) our automatic synchronization delivers near perfection. But don’t worry, we’ve made it really easy for you to get it the rest of the way there.

  1. As soon as the video starts recording, just before swimming, tap the unit twice. This creates a clear spike in the data, which can then be used to align the video
  2. Once the motion analysis session is available for review on the tablet, do this:
  • Play the video until right before the tap on the unit, pause there. To find the exact spot, slow down the video playback speed using the slider, or step through the video frame by frame using the <| |> buttons
MA buttons_frame
  • Once you’ve got to the right video frame, click the snap button ->|<-
Nudge graph snap
  • Find the peak of that first spike in the graph below, and tap there to set the cursor at that location on the graph. If it’s tough to see, you can always pinch the graph to zoom in a bit
  • If you don’t quite hit the mark on the first try, no sweat, just click the snap icon and repeat, till you get it right

The video will now be perfectly aligned with the graph.

More useful tips and tricks

<| |> These buttons will allow you to step forward or backward, frame by frame

MA buttons_frame

{ } To create a clip of a section of your video so you can see acceleration stats, tap these buttons to start and end the clip, these will show on the graph as red vertical lines

MA buttons_clip

{<< >>} These buttons will take you to start/end of your clip

MA buttons_startendclip

Clip Stats

  • Once you’ve selected your clip, the clip stats will appear beside your video. You can toggle between acceleration data and rotation
  • To select other types of data to display, tap the gear icon (icon image here) to turn the desired toggles on or off
  • To save selected clip, tap Save. To create another clip, tap Clear Selection and start again
  • Access your saved clips by tapping See Clip Stats
Clip stat_toggle and save

Learn more about clips stats here.

Motion Analysis Graph and Video

  • Use the Speed slider to reduce the video playback speed so you can watch the video in slow motion
  • Zoom in on a particular point on the graph by pinching and grabbing. Tap Reset Zoom to return to full view.

Learn more about the acceleration graph and rotation graph.