Kinesiology 2241A/B Lecture 21: Lecture 21- November 13

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 2241A/B
• Professor: Daniel Bechard

Document Summary

All of these joints work every time you walk: lumbo-sacral - works by itself, hips, knees, ankles, subtalar, metatarsal-phalangeal. We will refer to a stride as being a complete cycle. Step: from heel strike of your left to heel strike of right, or vice versa. Stride: two successive steps, heel strike right, left then right again or vice versa. Different amounts of time in each: stance. Takes up 60% of cycle: swing. Double support: indicated by left and right foot being in contact at the same time. Swing phase: only one foot in contact with the ground at that particular time. Initial vs. terminal double limb stance: initial is with leading foot, terminal is leaving. As you gain velocity, percentage associated with double support decreases: until you don"t have any (which is considered a run) Around 4-5 m/s there is an urge to break into a run.