Is shadow boxing with dumbbells a meme or does it actually help

Helps with endurance having a fight over multiple rounds.

>>39719426
if you just do it in the air and not hit a bag, it'll help fuck up your elbows. if you want to use weights, always use a bag.

It'll fuck your shoulders if you do it Quarteron style with 30lbs dumbbells

rip rotator cuffs

>>39719426
It'd make more sense if the weight were on your forearms or biceps as opposed to your wrist.

Actually has a negative effect on punching because it teaches you to pull away and brake at the end of the punch instead of driving through

If you want to punch harder, work on form and get stronger triceps