Best Workouts for Aerobic Fitness
A study revealed that a 4 X 4-minute interval running workout provided the most effective workout for improving aerobic fitness.
* A web version of this article is al ... (to access this download, please log in below.)
The resource you have requested is available only to current members.A study revealed that a 4 X 4-minute interval running workout provided the most effective workout for improving aerobic fitness.
* A web version of this article is al ... (to access this download, please log in below.)