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A: typical examples of stress-strain relationship of the Achilles tendon and distal aponeurosis from a representative subject pre- and post-ULLS. B: changes in Young's modulus of the Achilles tendon and distal aponeurosis following the 4-wk ULLS. Data points are means ± SD. *Significant difference vs. pre (P < 0.05). #Significant difference vs. distal aponeurosis (P < 0.05).
