Walkingbyself Type post Author David Coppedge Date October 23, 2026 CategoriesAnatomyEvolutionIntelligent Design Tagged , actuators, anatomy, automatic transmission, bike riders, Biomimetics, bones, engineers, evolution, gear-shifting, gears, handlebar, human motion, Jack A. Martin, joints, legs, ligaments, locomotion, muscles, offices, paraplegics, physics, physiology, PNAS, redundancy, robot designs, tendons, unguided evolution, University of Wisconsin-Madison, walking How to Shift the Gears in Your Legs? David Coppedge October 23, 2026 Anatomy, Evolution, Intelligent Design 5 The answer to the question: You don’t have to do anything. You have automatic transmission. Read More ›