yes it can

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Height: 6'2
Running vert 1 legged: 29"
Running vert 2 legged:18"
Standing Vert:24"

Stats per game
PPG:
RPG:
BPG:
APG:
(offseason)

I can't speak for a weight belt but I own a weight vest and it is the best investment in my training I have ever made. Aside from being handy for some weighted jumping exercises I use it for all my upper body work too (basically I onyl do push ups, chins and pull ups and dips but I find this is all I need).

As far as vertical training goes I have slowed down a bit in the last 3 months but I still use it once a week for some box box jumps and low level plyometrics and have found my vertical has maintained what it was when i trained 2-3 times per week.

Cheers

Jaydub

For best increase in performance wear it constantly at school, at work, except sleeping