51" box jump
Ruairi Grimes of Five 1 Eight Fitness performs a 51" box jump.
I've had people ask in the past about my speed and how has it improved over the years in my sport and I firmly believe that from the specific progressive strength program that i have designed to help develop my overall strength and power has had a big part to play in it. Here is my 1 rep 51" box jump working on my lower body power, landing not 100% but something to work on! I think box jumps are a great exercise to work on someone's lower body power and strength to take into their sport.
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Five 1 Eight Youtube Channel