• Does the child have a balanced physical exercise program that includes not only resistance training but also cardiorespiratory and flexibility training? It does not mean that women need to use different training zones when using a nonlinear periodization training program. A well-kept training log is vital in monitoring training progress and in making modifications to the training sessions in a nonlinear resistance training program.
Although measuring skinfolds looks relatively easy, it is an aquired skill that needs to be practiced before it can be used in accurately determining body composition. William J. Kraemer & Steven J. Fleck This is an excerpt from Optimizing Strength Training.