Griffin727
It's been pretty much set in stone that the standing vertical can be improved 10 to 25 percent by increasing strength during the novice phase. Yet why is it that I can improve my box jump so much more? I can do a 48 inch box jump but only a vertical jump of 25 inches. Does this mean one can dunk as basketball with enough strength training or is dunking a basketball more of a vertical style jump. I feel when doing the box jump I'm pretty much just getting better at the skill of pulling my knees to my chest while jumping. Mind you I'm not a novice and don't care about jumping the science behind it just interest me.
Mark Rippetoe
A box jump and a SVJ are completely different things, a box jump being a measure of how good you are at pulling your knees up, while SVJ is a measure of how quickly and how much you can recruit motor units into contraction. Dunking a basketball is a running start.
Soule
I recently spoke to a DPT who loves your shit. He did the NLP back when only the first edition was out and the guy reminds me a lot of Doc Morris here.
He mentioned that he has his patients with shoulder impingement contract their traps and shrug a tiny bit on bench press to clear the acromion process away and allow some room for the supraspinatus tendon.
Do you see any risks of injury or performance issues here, or is this a relatively safe way to bench for trainees with shoulder impingement issues?
I was wondering how this change of technique would scale with heavier weights since it doesn’t feel like I can get as tight with the shoulders slightly shrugged.
Doesn't seem like a good idea to me, since the impingement occurs between inferior AC surface and Superior surgical neck of the humerus. I can't picture a shrug in any direction that would unimpinge the joint with the humerus in anterior adduction. We use the humerus at 70 degrees to unimpinge, and we've never had any problems. This is brilliantly illustrated and explained on pp 157-59 of the blue book.
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