Dr Mel Siff Blog

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<Any thoughts on this [squat jumps]? I would like some advice as I have a
friend who insists on doing this potentially harmful movement with heavy
weights to increase his “explosiveness”.>

*** You do not necessarily have to jump off the floor when doing “jump
squats”. You can try to produce as much vertical force as possible so that
you may rise high onto your toes without leaving the platform. Explosiveness
is not a quality which is best developed by producing large forces under very
heavy loading, but with less heavy weights which allow one to produce high
RFD (Rate of Force Development) and peak power. This means executing
stretch-shortening or prestretching exercises which have a short coupling Read more…

... to follow a lower trajectory than one that is closer to the shoulders. Comments on all the above findings would also be of great interest to many. Mel Siff]. Dr Mel Siff Denver, USA http://groups.yahoo.com/group/Supertraining/