I want to develop the sensitivity of my hands/arms particularly for tennis. I feel this is essential to get more controlled spins. How can I develop sensitity of hands/arms?
I love having hardened calluses- except when they rip! A while back, I had a callus on each hand rip open whilst doing Parkour. I was told to "grind down" my calluses every once in a while. By this, I ...
This question is primarily addressed to those who have done knuckle pushups consistently for several years. I've been doing 100+ knuckle pushups for about two years everyday, and I've developed ...