Kinesiology 2230A/B Lecture Notes - Muscle Spindle, Alpha Motor Neuron, Citric Acid Cycle

• School: Western University
• Department: Kinesiology
• Course: Kinesiology 2230A/B
• Professor: Glen Belfry

Document Summary

Bodybuilding: must have balance all over the body. While training, you must make sure you are recruiting all fibres maximally to get the greatest adaptation of all the fibres. As the intensity of the exercise increases, initially oxidative fibres are recruited immediately. You must get to a reasonably intense exercise before to recruit low oxidative fibres: the high oxidative will max out when low high you begin oxidative fibres are recruited. Actin atpase (slow): increases the strength of the interactions within the actin filaments and to the myosin head in slow twitch fibres. It enables generation of repeated contraction over long time period. Sdhase: kreb"s cycle enzyme represents oxidative activity. Type 1 fibre: postural muscles are all slow twitch. 75% maximum force can maintain for relatively long periods of time (3-4 minutes of intense movement: after this point and continuing onto 60 minutes you continually lose force, after 2 minutes you can still generate reasonable power.