Kinesiology 2230A/B Lecture Notes - Lecture 1: Marita Koch, Myocyte, Paula Radcliffe
8 Jan 2020
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Lecture 1: intro to exercise physiology chapter 1: energy. 800m (run has a significant aerobic component) 70% of the energy is from the aerobic. All power events, force generation per time. Fast twitch muscle fibers are heavily involved. Most of the atp is produced through the phosphogen system. The structure of our bodies is used to meet the needs of our muscles. Florence joyner has much more musculature for the bodily demand of sprinting. Marita koch has relatively less muscle mass. Paula radcliffe has significantly less muscle mass need to generate a lot of atp at a high production rate. Joyner"s graph shows that she generates the most force per time or power during the first 10 seconds and then it becomes a significant decline. Anaerobic glycolysis is immediately active as well but does not generate much atp during this time, it tends to peak around 7-10 seconds. Even by 3-5% of energy from the aerobic source.
