Non-specific chronic low back pain is a multifactorial pathology with a significant impact on quality of life. Physical activity is a major axis of treatment to improve pain and functional capacity through structured exercises, but also to fight against physical deconditioning. It is therefore advised to perform leisure time physical activity regularly and in an adapted way. There is no contraindication to practice sports activities but they should be performed with special attention not to increase the symptoms. This article aims to evaluate the effects of different types of physical activity in chronic low back pain to help the practitioner to advise at best his patients and prescribe appropriate physical activity, source of pleasure and health benefits.