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 ...

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 ...

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 ...

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

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 ...

Back pain is the most ... of the needle for L1–L4 medial branch is the groove formed by the junction of the transverse process and superior articular process. For the L5 dorsal ramus, the ...

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 ...

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.