KIN422 Study Guide - Midterm Guide: Inverted Pendulum, Mechanical Advantage, Thermoregulation
13 Dec 2017
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Document Summary
6 determinants of gait old model based on minimizing energy expenditure by minimizing com displacement from line of progression. First feature looked at pelvic list; the frontal plane tilt during single limb support. Found to have no effect on vertical excursion. Next was stance-phase knee flexion found to have no contribution to reduction of vertical displacement. Then pelvic rotation along vertical axis little effect on smoothing body centre of mass trajectory. It seems some determinants reduce com displacement while others actually increase it. However there is little evidence to support that humans seek to minimize com displacement at all. Some studies actually show that walking with an attempt to minimize com displacement actually increased energy expenditure. For example the knee must flex and extend much more during single stance phases if the. Com were to be kept at a constant height.
