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Retesting Your Swing

Close the loop — upload a fresh swing and prove the fix actually worked, instead of guessing.Last updated

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In short

Retesting is how SwingVantage checks progress. After working your fix, you upload a new swing and it compares the before and after, so improvement is something you can see — the final step in one fix, one plan, one retest.

Step by step

  1. 1

    Work your fix first

    Spend a week or two on your top fix and its drills before retesting — change shows up over sessions, not reps.

  2. 2

    Film the same way

    Use the same angle, distance, and lighting as your first swing so the comparison is fair.

  3. 3

    Upload your retest

    Open swingvantage.com/retest (or upload a new swing) and SwingVantage knows to compare it against your earlier baseline.

  4. 4

    Read the comparison

    See whether your fix moved, what improved, and what to focus on next.

  5. 5

    Set your next fix

    If the fix took hold, your next-priority change becomes the new focus. The loop continues.

Why retesting matters

Improvement you cannot measure is just hope. Retesting turns “I think it is better” into “here is the before and after.”

It is the third part of the core promise — one fix, one plan, one retest — and it is what keeps you honest and motivated.

How to retest well

  • Give the fix a few practice days before retesting, not one session. Today tells you when.
  • Match your filming setup to the original swing so you compare like with like.
  • Retest one fix at a time so you know what actually changed.

What happens after a retest

If your fix took hold, SwingVantage moves you on to your next-highest-priority change, so you are always working the most valuable thing. If it has not moved yet, it helps you adjust before moving on.

How accurate is it?

Every result that comes from watching your video is a well-reasoned starting point, not a lab measurement. Treat it like a sharp-eyed coach giving you their read, then check it when you practice.

Accuracy depends on what you give it. A clear, well-lit, side-on video of a full swing produces a far better report than a dark, cropped, or partial clip.

When the analysis is unsure, it tells you so rather than inventing a number. Honesty over false precision is a core principle.

Your video and your privacy

Your swing is yours. Motion Lab reads it on your device: body tracking runs in your browser, and your video file is not uploaded for analysis.

Frames from your video leave your device only through optional features you choose. The AI vision review, which you start yourself, sends a small sample of still frames to a third-party AI provider; our servers pass them through without storing them. If your device cannot read a clip, you can agree to an optional cloud re-read of a limited set of still frames.

We do not sell your data or use it for advertising. When you sign in, your sessions, progress and saved analyses are kept in your private account and synced across your devices. A saved analysis can include one still frame for its swing trace. Your video files are not uploaded unless you choose to share one for training, an optional box offered only to signed-in adults filming themselves.

You can review, export, or delete what you create from the Data Center at any time.

Frequently asked questions

When should I retest?

When Today prompts you. That is after you complete your plan on 3 separate days, or when your retest window comes due, whichever is first. The window runs from about 4 days to 2 weeks, shorter for a more serious fault.

How does the comparison work?

You upload a fresh swing and SwingVantage compares it to your earlier baseline, highlighting what moved so you can see real progress.

What if the fix did not work?

That is useful information. It usually means the change needs more reps or a small adjustment — SwingVantage helps you decide whether to keep going or tweak your approach.

What kind of video gives the best results?

Film from the side (down-the-line or face-on), in good light, with your whole body and the full swing in frame. Hold the phone steady or prop it up. A 5–10 second clip of one swing is ideal. Normal speed works; for golf, baseball, and fast-pitch, 60 fps sharpens the moment of contact.

More answers, with the detail behind them, are in the SwingVantage FAQ.

Related guides

Your Swing DiagnosisHow to read your diagnosis — it leads with the single fix that matters most, then the drills and plan to groove it.Read guideProgress TrackingSee your improvement over time — sessions, retests, and trends that prove the work is paying off.Read guideCompare SwingsPut two swings side by side — yours then vs. now, or your swing next to a model — to see exactly what changed.Read guideDrill LibraryBrowse targeted drills for your fix — each with clear instructions and how it connects to your diagnosis.Read guideUploading & Recording a SwingEverything you need to capture or upload a great swing video — the foundation of an accurate analysis.Read guide

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Still stuck? Contact support or email support@swingvantage.com