Priority order is law. The muscle named first is trained first, when you are freshest.
Typical range Most muscle-growth studies use about 10–20 hard sets per muscle per week. Fewer still works, just with less volume.
How it counts Only sets where the muscle is the main target count. Sets where it only helps (like lower back in a Romanian deadlift) are listed underneath, not added.
Your lift data is the product of months of work. We treat it as sacred. Every workout auto-backs up to your device, and nothing is ever silently wiped — even "reset" moves your data to a recovery slot first.
Tip: Export every few weeks to your phone's Files / iCloud / Google Drive. The file is a plain JSON you can keep forever.