The F.I.T.T. principle stands for Frequency, Intensity, Time, and Type of exercise.

Quick Scoop: What Each Letter Means

  • F – Frequency : How often you work out, such as 3 times per week or daily.
  • I – Intensity : How hard you exercise, for example light, moderate, or vigorous effort.
  • T – Time : How long each workout lasts, like 20 minutes, 45 minutes, or 1 hour.
  • T – Type : The kind of exercise you do, such as running, swimming, cycling, or weight training.

In simple terms, the F.I.T.T. principle is a framework to design or adjust a workout by changing how often, how hard, how long, and what kind of exercise you do.

Information gathered from public forums or data available on the internet and portrayed here.