Sets, Repetitions, and Loads: Our Weight Training Guide describes how these all relate and how to use them for your goals - be it strength, muscle-building, or endurance.
Efficient Strength Training: How to set up a basic strength training routine.
Progressive Resistance and the Overload Principle
In any exercise activity, your muscles grow in response to the challenge given them. But they then reach a point where you have enough muscle for the exercises you do. In order to gain more muscle, you need to give them a further challenge.In weight training, this would mean lifting a heavier weight once your body has adjusted to the usual weight lifted. It is wise to first increase the number of repetitions and sets rather than increase the weight. Only once you have increased the repetitions and sets should you then look for further gains by increasing the weight.
Progressive Resistance: How to use overload in building muscles.
Exercise Progression: How to change your workouts to make them more challenging and fun.
The Principles of Sports Conditioning: The universally accepted scientific training principles that must be followed in order to improve conditioning and performance.

