Physiology

Exercise physiology involves the study of the acute responses and chronic adaptations to exercise. Humans aren’t machines—we’re much more complicated.

From anaerobic threshold to environmental acclimatization, from FTP to PGC-1 alpha, we explore the science of human performance.

Latest: Page 2

Cramping runner

The Myth of Cramping

Dehydration? Electrolyte imbalance? Heat? None of these actually causes cramping, according to new theories. Coach Trevor Connor takes a closer look.