The core advantage of waist protection lies in stabilizing the lumbar spine, relieving pain, and preventing injury in specific scenarios through external support and physical pressure, but it is only recommended for short-term or targeted use. core advantage Stable support and load reduction: Hard supports (such as steel plates and resin strips) can provide rigid support, limit excessive lumbar movement, share pressure on intervertebral discs and ligaments, and effectively relieve muscle stress during acute back pain or weight-bearing. Restricting improper activities: By applying pressure through wrapping, reducing the amplitude of dangerous movements such as bending and twisting, and lowering the risk of secondary injury, it is suitable for lumbar muscle strain, acute mild lumbar disc herniation, and postoperative rehabilitation. Warmth promotes circulation: Multi layer or self heating materials can maintain waist temperature, relieve muscle spasms caused by cold, promote local blood circulation, and alleviate soreness caused by catching a cold.