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The strongest knees in the world

Olympic Gold Medalist Aly Raisman began working on a very difficult Amanar vault (commonly known as a Yurchenko Two and a Half) early on in her elite career. She first debuted it in competition in ...
Another option to develop strength and power is to train on steep hills. One recent study found that hill runs developed stronger hip flexors, which could be related to better form, efficiency, and ...