India, Nov. 19 -- A clear picture of how fit you truly are doesn't just come from how fast you run or how heavy you lift - your heart offers some of the most reliable clues. By tracking a few simple yet powerful heart parameters and working to improve them over time, you can better understand your overall fitness and stay healthier in the long run.

Fitness trainer Raj Ganpath - founder of the Slow Burn Method, co-founder and head coach at Quad Fitness, and author of Simple, Not Easy - has outlined four key heart metrics you should monitor to understand how fit you truly are. In an Instagram video posted on 19 November, the fitness trainer breaks down each metric, how to measure them, and what your numbers actually reveal about your fitne...