Friday, October 7, 2011

No heavy lifting required to build muscle  What is needed is muscle fatigue.  A big heavy weight will do it in a few lifts, a lighter weight will do it a bit later, but both will do the same thing. 
Muscles!Image by Unlisted Sightings via Flickr

And for the elderly that can't handle it: reducing blood flow makes light weights feel heavier, which allows a workout with less weight. 
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