Lower back pain? You may have heard your practitioner mention something about your L4-L5 spinal segment. The lower back (lumbar spine) is a fairly complex structure. It consists of 5 vertebrates, the ...

block vertebrae of L4 and L5 and degenerative changes are predominantly involving L5 and S1 vertebrae. Considering it to be a case of block vertebra with chronic low back pain with radiculopathy, she ...

Radicular pain caused by a lumbar disc herniation is commonly accompanied by ... Two patients out of 52 with an assumed affected L4 root and two with an assumed affected L5 root, did not report pain ...

Strength, sensation and reflexes were normal in the bilateral lower extremities. MRI at 1.5 T of the lumbar spine revealed a large L4–L5 disc extrusion producing severe central canal stenosis and mild ...

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 ... radicular pain in the L5 or S1 ...

Researchers assessed physiologic changes of the spine as well as the frequency of low back pain among astronauts during and after spaceflight.

Spine problems are increasing trend due to change in life style, increasing weight, obesity & less outdoor physical activity.

During and after spaceflight, astronauts experience lower back pain (LBP), lumbar muscle hypertrophy, reduced range of motion, and significant disc herniations ... in the L4-L5 and L5-S1 segments.

Physical examination was notable for decreased sensation along the left lateral foot and a positive straight leg raise test on the left side. Radiographs of the lumbar spine demonstrated degenerative ...