1. 
   Dynamic tension
   "Dynamic Tension" is the name Charles Atlas gave to the system of exercises that he first popularized in the 1920s. Dynamic Tension is a self-resistance exercise method which pits muscle against muscle. The practitioner tenses the muscles of given body part and then moves the body part against the ...
   Found op http://en.wikipedia.org/wiki/Dynamic_tension
   
   
2. 
   Dynamic-Tension
   (from the article `Atlas, Charles`) Assisted by Tilney, an English naturopath, Atlas employed Dynamic-Tension principles to develop a mail-order course that was the basis for a ... ...and aesthetic considerations, along with muscularity, were included in the judging criteria. With the aid of English...
   Found op http://www.britannica.com/eb/a-z/d/87
   
   

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