Pushing back the limits now depends more on science, technology and medicine than anything else. Athletic technique, training programs and diets are all being studied to find ways of taking a few more seconds off or adding a few more cm to that elusive world record. It seems that natural ability and hard work are no longer enough. [3: ______ ] The search to find more efficient ways of moving goes on. Analysis of an athlete's foot style is particularly useful for events like jumping and throwing. Studies show that long jumpers need to concentrate not on the speed of approach, as once thought, but on the angle their bodies make with the ground as they take off. However, the rules governing each sport limit advances achieved by new styles. For instance only one-footed takeoffs are allowed in the high jump.
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