Muscle Changes After Surgery

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Spine
May 1999 Volume 16 Number 24
Department of Orthopaedic Surgery
Toyama Medical and Pharmaceutical University, Japan

Study Outcomes & Clinical Relevance:
Back muscle injury was directly related to the muscle retraction time during surgery. The damage to the multifidus muscle was more severe and the recovery of extensor muscle strength was delayed in the long retraction time group. In addition, the incidence of postoperative low back pain was significantly higher in the long retraction time group.
Although lumbar surgery is often thought to fix whatever is broken, it can introduce new dysfunction such as injury to the multifidi musculature. An active course of spinal therapy to specifically retrain the multifidi may decrease postoperative low back pain resulting from weakness associated with muscular insult.

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Intervertebral Disk Bulge

Intervertebral Disk Bulge
Intervertebral Disk Bulge, also known as disk herniation, disk protrusion (aka Slipped Disk), and disk Degeneration (Degenerative Disk Disease), causes irritation and pain when pressed upon one of the lumbar spinal nerves that join to form the sciatic nerve.

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Sciatica – Definition, causes, treatment

Sciatica is the term for leg pain, typically in the posterior lateral thigh and calf, sometimes extending into the foot, caused by compression or irritation and inflammation of the sciatic nerve in the lumbar spine.