Polarized training has been a key endurance training idea over the past two decades. Has it become the de facto training ...

Endurance training, a cornerstone of athletic preparation, involves the systematic management of varied exercise intensities to optimise physiological adaptations. Central to this approach is the ...

Jason Sawyer does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...