Alex's doctor says he has great strength and flexibility, but she is worried about Alex's cardiorespiratory health, The doctor a
sks him to list the activities he participates in regularly. Alex lists weightlifting, karate, rollerblading, and bowling. Which activity should Alex's doctor encourage him to participate in more often to
increase his cardiorespiratory health?
Karate, because this activity is less about strength and more about your stamina which is an important part of you cardiorespiratory health. Rollerading also focusses on stamina, but it's less intense than karate.
Try to incorporate all of these at the same time. I think that would be a good mix for all of your students. It also depends on what age your students are. If they are younger they may not be able to understand things that are too hard, so don't be too hard on them either.