I’ve tried seven back‑stretchers that actually ease lumbar pain, improve posture, and calm sciatica. The Sunny Health Full Body Traction & Stretch Machine supports up to 400 lb and offers quick‑adjust arms and legs. Acemend’s ergonomic neck‑and‑back stretcher cradles the spine and is travel‑friendly. The Adjustable Lower Back Traction & Massager inflates an airbag for gentle lifts. The Lumbar Cracker Board and Multi‑Level Stretching Device give 92‑108 acupressure points and three‑four gear settings. The Premium Adjustable Stretcher folds into a bag and uses a lightweight ABS frame. The 4‑Level Adjustable Arc adds progressive depth. If you keep going, you’ll see which one fits your needs best.