I want to practice jumping leg-speed and high-jumping ability of how to train ah

Lord despised rebirth2010-03-31 00:10:28 +0000 #1

into the Iron Football2010-03-31 00:22:49 +0000 #2

do squat, tied sandbags running, tied to sandbags skipping

koftianxie2010-03-31 00:24:22 +0000 #3

is less complex to find a high-rise The floor 20 + feet jumping up and down the stairs several times a day will definitely effect