KHANFIT

Rules

Before you start

RIR
End each set with about 1–2 reps left in reserve.
Progressive overload
Double progression: first add reps; once you hit the top of the range on all sets, increase the weight by one step (2.5–5 kg on machines, 1–2 kg on dumbbells). The app calculates this automatically from your logs.
Strength in a deficit
In a calorie deficit strength rises slowly — staying at the same weight for 1–2 weeks is normal. If your strength isn't dropping, you're preserving muscle.
Cardio
Mainly incline walking, elliptical and bike; high-impact running/jumping is not required.
Recovery
At least 1 full rest or very light day per week.
Water
Drink gradually through the day, adjusting for training and weather; don't go without water during training.
Sleep
7–9 hours. Too little sleep increases hunger and impairs recovery.
Deload
Every 6–8 weeks, halve your sets for 1 week — let your joints recover.

Pain rule

0–2/10No discomfort

Carry on as normal.

3–4/10Mild

Continue, but reduce the range or the weight. It shouldn't be worse the next day.

5+/10Sharp / increasing

Stop that exercise and pick an alternative. If it doesn't ease in 2–3 days — see a doctor.

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Keep your logs in the cloud and the same on all your devices.

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Install on phone

  1. In Safari, tap the Share button at the bottom (a square with an up arrow).
  2. Choose “Add to Home Screen”.
  3. Khan Fit now opens as a separate app and works offline at the gym.