Calisthenic Programme: Lean Muscle Without Equipment View Larger Image Calisthenic training is a form of exercise where it uses no additional weight. It is also known as body-weight training, this can be done for weight loss, fitness or tone and achieve leanness. This has many benefits and is perfect for all levels of trainees, from beginners to advanced. The main benefit is it helps to build muscular strength and endurance, and improves bone and joint strength. It can be performed anywhere.