The reasons for the rattling sound when twisting are as follows: 1. It may be due to the friction and extrusion between the muscles, ligaments and tendons and the bony structures around the waist when twisting, and the popping sound, which is also a normal physiological phenomenon. If there are no other symptoms, no special treatment is needed. If there are symptoms, you need to carry out lumbar spine MRI examination to clarify the specific condition and choose reasonable treatment.2, twisting the waist will ring may be because of the degeneration of the articular synovial joints, the joint capsule and the surrounding ligaments become loose, the articular synovial joints may be slightly offset, when twisting due to the articular synovial joints back to the position of the cartilage and the cartilage and cartilage of the extrusion between the cartilage and the friction, it will occur. Bone rattling. In this case, attention should be paid to the waist to avoid cold, do not maintain a posture for too long, otherwise it is easy to lead to degeneration of the articular synovial joints, leading to further aggravation of the symptoms of lumbar sprains, there may be calcification as well as hyperplasia, leading to aggravation of the symptoms of the waist.