在腳上加上重物~e.g:鉛帶....然後再練跳....彈跳力會增加多少?

you can walk with those things, but never jump with those things, 十字"人"帶會斷, my friend did that....dun be so 急, wear it at home and practice jumping on the court.

2006-11-06 21:56:31 補充：
i mean jumping WITHOUT the 鉛帶

你個款鉛帶係點加??
我有隻藍色~~如果帶住跳會好傷腳~因為大同綁得唔夠緊

3-6% may be more