There's no point in holding the plank for longer than 10 seconds
businessinsider.de
There's no point in holding the plank for longer than 10 seconds
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Re: There's no point in holding the plank for longer than 10 seconds
#2There is so much more information in the article than the one about the plank. The other bit about not stretching in the morning is crucial - so many people do it, including myself. This kind of information should be taught in schools.