Why Are Some People Double-Jointed? https://www.livescience.com/33186-dou... "At any party, there's always that guy who can bend his fingers freakishly far back, and then brags about being "double-jointed" but there's actually no such thing. The term double-jointed implies that a person with unusual flexibility has twice the average number of joints, which allows for their increased range of motion."
How Much Force Does It Take To Break A Bone? https://www.seeker.com/how-much-force... "If you're in the market for a short answer, it takes about 4,000 newtons of force to break the typical human femur. But in general terms, there is no real answer, as the amount of force required depends on the bone itself, its position in the body, and the angle of attack."
Are Elite Athletes Born Superior to You? https://www.seeker.com/videos/videosn... "There are lots of studies on how relevant genetics are to a person's athletic ability. Genes can affect a person's aerobic capacity, response to training, anaerobic performance, muscle strength and power, neuromuscular coordination, bone density muscle fiber type distributions, and many more components."
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