The positive physiological adaptation to training is the result of a correctly timed alternation between stress and recovery. How that stress and recovery is applied determines the results that individuals achieve from their training efforts. Whether a person is interested in losing weight or training for a marathon, the best training programs are planned. Chasing Mercury, Battling Hercules: Getting Fitter and Stronger With Periodization Training provides an overview of the theory and research of periodized training, including the use of training cycles, with examples of how to properly periodize strength and cardio training. (61 min)