How to Shift the Gears in Your Legs?

actuators, anatomy, automatic transmission, bike riders, Biomimetics, bones, engineers, Evolution, gear-shifting, gears, handlebar, human motion, Intelligent Design, Jack A. Martin, joints, legs, ligaments, locomotion, muscles, offices, paraplegics, physics, physiology, PNAS, redundancy, robot designs, tendons, unguided evolution, University of Wisconsin-Madison, walking
The answer to the question: You don’t have to do anything. You have automatic transmission. Source
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Living in 3-D: Not a Big Deal? New Video Explains Why It’s a VERY Big Deal

astigmatism, athletes, awareness, body parts, cars, consciousness, cornea, curvature, emergence, Engineering, eyeglasses, headlights, hearing, Howard Glicksman, Intelligent Design, lens, prescription, proprioception, purpose, routine tasks, Secrets of the Human Body, Steve Laufmann, street, three dimensions, vision, walking, Your Amazing Body
Living in three dimensions is crucial not only for athletes, who excel at exploiting the body’s abilities, but for any one of us walking down the street. Source
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