These may be the muscles of the more reduced back having the workload.
Have you know that the more muscle you have, the more calories you burn, even at rest? Magnetic therapy has endured for centuries and is gaining popularity and effectiveness in today's world. https://Medium.com/@muscleandjointcare/unlock-the-secret-to-pain-free-muscles-and-joints-with-cbd-in-thailand-662c614f9b47