1. Step 1

   Watch and follow the stance

   Watch the video and follow along. Stand on one leg and hold your balance for as long as possible.

2. Step 2

   Avoid baggy clothing

   Use fitted sportswear or shorts so body movement stays easy to see.

3. Step 3

   Record the full test

   Film at hip height. If participant loses balance, quickly get back into position and continue until 60 seconds is up.

Rename each video to the person’s name before uploading (for example: John.mp4).

Maximum file size: 100 MB.

Large uploads may take time; keep this page open. Enter an age (1-120) for each video; filenames identify the user.