A nerve block, or neural blockade, is a method of producing anesthesia — a loss of feeling used to prevent or control pain. Nerve blocks can be surgical or nonsurgical. Nonsurgical nerve blocks ...

Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch et ...

Facet joints, or zygapophyseal joints, are true synovial joints in the spine that have been identified as potential pain generators. Medial branch blocks involve the injection of a local anesthetic ...

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

A nerve block works by preventing pain signals from reaching the brain. There are permanent and temporary options. Both are generally safe procedures. Nerve blocks are an effective way to prevent, ...