What is VO2 max again? VO2 max is a measure of cardiovascular (or aerobic) fitness. There are other types of measurements that can give you a sense of how fit you are, but VO2 max ...
In his latest photo, Ronaldo is seen wearing a WHOOP silicone band while wishing his followers a great day in the caption. The silicone band on his wrist is recognized as one of his designs for WHOOP.