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. 2013 Dec 6;1(7):e00178. doi: 10.1002/phy2.178

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© 2013 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — The relationship between Achilles tendon (AT) stiffness and the energy cost of running for men and women. Open and closed dots represent each man and woman subject, respectively. E_run is represented as mean ± SD for all measured speeds. AT stiffness is shown as the stiffness representing the slope from 50 to 100% MVC of the force‐elongation curve for each subject. Solid and dashed lines represent the linear regression for woman and man subjects, respectively.