Set up for a verified plank.

The timer runs only while your shoulders, hips, knees, and ankles stay aligned with both knees lifted.

Straight line · Knees lifted

Goal: 1:00No time limit

01Place your phone low and side-on, about 2–3 metres away.02Keep your full body visible from shoulders to ankles.03Hold on your hands or forearms; the timer pauses if form breaks.

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Your camera stays on your device.Voice coaching and form checks run on your device. Only the verified numeric result is shared with the challenge.

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Checking voice coach…Speaks only for setup, corrections, milestones, and completion.