Kinesiology 3347A/B Lecture 9: Lecture 9 and 10

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 3347A/B
• Professor: Vincent Liardi

Document Summary

Jump: person propels self off ground with one or two feet; lands on two feet. Hop: person propels self off ground with one foot; lands on same foot. Leap: person propels self off ground with one foot, extends ight period, and lands on opposite foot. Early jumping: children often begin simple jumping before age 2, general population can perform either vertical or horizontal (standing long) jumps. Early characteristics: jumping only vertically, no or limited preparatory movements. Pro cient jumping - key characteristics: preparatory crouch. Maximize take off force: both feet leave ground at same time, arm win used during jump, for vertical jump, force is directed downward; knees are exed during ight. Rate limiters in jumping: development of enough fore to bring own body into th hair from a still position. Monday, february 22, 2016: muscles used (two part movement)