Press start when you are on the floor.
This session is saved on this device only. Clear your browser and it is gone. Big 3 Pro keeps the record, scales the session back on flare days, and runs as a real app on your phone.
Tap the timer to start or pause.
This is a timer, not medical advice. Talk to a doctor or physical
therapist before starting new exercise, especially if your pain is severe,
spreading down a leg, or new. Stop if something hurts.
Not affiliated with or endorsed by Dr. Stuart McGill or Backfitpro.