India, Jan. 29 -- Fitness icons like Milind Soman and David Goggins are pushing the limits of upper-body training by swapping standard reps for weighted pull-ups.

By using vests or belts to add extra resistance, athletes use "progressive overload" to build muscle and strength much faster than bodyweight alone can provide.

However, experts warn that because the added weight puts extra stress on your joints, perfect form is essential to avoid injury meaning you should master the basics before you start hanging plates from your waist.

Kushal Pal Singh, a fitness and performance expert at Anytime Fitness India, explains its appeal among Indian gym-goers. "Weighted pull-ups are becoming more widespread in India as gym enthusiasts transition...