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<p>vaults over the stance leg or legs in an <a href="page.php?w=inverted_pendulum">inverted pendulum</a> fashion. A feature of a running body from the viewpoint of <a href="page.php?w=Spring_mass_system">spring-mass mechanics</a> is that changes in <a href="page.php?w=Kinetic_energy">kinetic</a> and <a href="page.php?w=potential_energy">potential energy</a> within a stride co-occur, with energy storage accomplished by springy tendons and passive muscle elasticity. The term "running" can refer to a variety of speeds ranging from <a href="page.php?w=jogging">jogging</a></p><p>
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