some focuses of physical activity and kinesiology in the previous video you learned about the definition of physical activity as it is defined in our textbook the fifth edition to summarize physical activity are movements that are voluntary and have in a purpose or an intended goal so again not all movement is physical activity because not all movement has a purpose or an intended goal and not all movement is something you choose to do remember the example of blinking your eyes we don't have to consciously think about always blinking our eyes blinking our eyes is movement but because we don't have to think about it it is involuntary it is not physical activity to help us continue to understand physical activity in different ways the chapter has broken it into a few different sections it'll explain dance exercise fundamental movements Sport and Exercise or physical activity that is used for therapeutic or rehabilitative purposes