The lumbar area of the spine is the physical center of the body ... Hip and lumbar spine physical examination findings in people presenting with low back pain, with or without lower extremity pain. J ...
The incidence of acute and chronic pain was high among astronauts both during and after spaceflight, with many experiencing adverse spinal changes and low back pain.
"If bending backward worsens the pain but bending forward provides relief, the cause might be degeneration in the lower back, such as arthritis or spinal stenosis. Flexion-based exercises (bending ...