Cardio is heart training, not thigh punishment.
22 Mar 2026 · 0 min

0:05
In this short instructional video, fitness coach Niraj Naik explains that cardio should be viewed as heart training rather than a punishment for the thighs. He outlines a method to obtain the full cardiovascular benefits of traditional, long‑duration cardio sessions in just a few minutes, emphasizing efficient, high‑intensity techniques that target the heart while minimizing unnecessary leg fatigue.










