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Old 04-16-2011, 04:03 PM   #24
Blair Lowe
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Join Date: Jun 2007
Posts: 591
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Anybody know whether these were incurred if they were jumping off the box at the top and landing on both feet at the same time, perhaps trying to rebound off the floor (most likely being concrete maybe with a stall mat over).

Just wondering, since generally when doing these I just alternate stepping down with the legs one at a time. Jump up, step down though I have done the jump up, jump down rebound jump up.
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