Attribution: By Samuel Tiukuvaara (Own work) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Written by Philipp Halfmann
Content crafter at Tennis Conditioning. You can find me on the ITF/WTA/ATP tour coaching tennis players or online writing about tennis, strength & conditioning, exercise science or health-related issues. Champions find a way, losers find excuses!
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