The overload principle is one of the seven big laws of fitness and training. Simply put, it says that you have to increase the intensity, duration, type, or time of a workout progress.
One of the seven big rules of health and training is the overload principle. Simply put, it states that in order to see adaptations, you must gradually increase the strength, length, form, or time of a workout. Improvements in stamina, strength, or muscle size are examples of adaptations.