The lumbar plexus is a nerve plexus (a network of intersecting nerves) in the body’s lumbar region. It is formed by the ventral branches of the first to the fourth upper lumbar nerves (L1-L4), with ...

The lumbar vertebrae are the largest movable bones of the backbone. Their large size and bone strength is necessary because these vertebrae support more weight than the upper two segments of the ...

Low back pain (LBP) is a common health problem, which most people (80%) experience at some point, especially in older adults 1,2,3,4. In the USA alone, the direct and indirect costs associated with ...