WHAT IS MECHANICAL CHRONIC LOW BACK PAIN
Ongoing lower back pain and strain can cause your deep spinal muscle that supports your back, called the multifidus, to “shut off” or atrophy. This leads to spinal instability and further pain as other muscles try to compensate. Reactivating the multifidus is difficult, and physical therapy may not do the trick.
Unlike back pain caused by nerves (also called neuropathic pain), mechanical pain means it is caused by stress or damage to nonneural tissue such as joints, muscles, or ligaments. While pain from a pinched nerve might show up somewhere else, such as down the leg, mechanical pain hurts at the site of movement.
People with mechanical chronic low back pain may not get meaningful, lasting relief from physical therapy, medication, and other conservative pain management therapies. Rehabilitative neurostimulation provided by an implantable neurostimulator can help relieve mechanical chronic low back pain by reactivating the multifidus.