Of course, individual fitness has a role, yet a person's maximum oxygen capacity is largely inherited, according to — what else? (discovermagazine.com)
It has also been shown to have boost oxygen capacity in endurance athletes. (theathleticbuild.com)
On day two, the athletes ran on a treadmill for three hours at an intensity equal to 64 percent of their maximum oxygen capacity. (on-keto.com)