Compared to our closest living ancestor, the chimpanzee, humans have
skeletal and muscular adaptations for bipedal movement. List a few of these and explain how they are essential to bipedalism. You learned that there is additional evidence that we evolved for endurance running; explain why V02 max is significant to this type of exercise. There is variation among humans in V02 max; explain how cardiac health and muscle fiber types might be responsible for this variation.