Exercise Ball Lower Back Stretch What muscles do Exercise Ball Lower Back Stretches work? The Exercise Ball Lower Back Stretch is an isolation exercise that primary targets your lower back. It’s a stretching exercise that uses isometric force. What fitness level is the Exercise Ball Lower Back Stretch suitable for? How to do the Exercise Ball Lower Back Stretch Benefits of the Exercise Ball Lower Back Stretch Tips for performing the Exercise Ball Lower Back Stretch What equipment is needed to perform Exercise Ball Lower Back Stretches? What type of exercise is the Exercise Ball Lower Back Stretch? For how long you should do Exercise Ball Lower Back Stretches?