For a lumbosacral lateral X‑ray the patient is placed in a true lateral (standing or lateral decubitus) with hips and shoulders stacked, knees flexed for comfort and stability. Arms are raised out of the field. The film should include L1–S1. Central ray is directed horizontally to the lumbosacral junction—typically centered at L4–L5 (iliac crest level) or at L5–S1 for a spot view.

The lumbosacral lateral spine refers to the side view/region of the lower back where the lumbar vertebrae meet the sacrum. It includes lumbar vertebral bodies (L1–L5), intervertebral discs, facet joints, sacrum, ligaments, muscles and nerve roots (cauda equina). This weight‑bearing junction permits movement and is commonly affected by degeneration, disc herniation, nerve compression and low back pain.

X-ray LS spine AP and lateral is plain radiography of the lumbosacral spine with anteroposterior (AP) and side (lateral) views. It evaluates alignment, vertebral fractures, degenerative changes, disc-space narrowing, spondylolisthesis and bone lesions. The exam is quick, low‑radiation, and often first-line for back pain; pregnancy and metal over the area should be reported.

A lumbosacral spine X‑ray visualizes the lumbar vertebrae and sacrum, their alignment and bony contours. It detects fractures, degenerative changes (disc space narrowing, osteophytes), spondylolisthesis, scoliosis, bone lesions, and some infections. It gives indirect information about disc height but cannot show soft tissues or nerve roots; MRI or CT may be needed for detailed disc or nerve assessment.

A lateral view of the spine X‑ray is a side‑on radiograph that shows vertebral bodies, intervertebral disc spaces, spinal alignment (curves like lordosis/kyphosis), and posterior elements. It helps detect fractures, degenerative changes, disc height loss, spondylolisthesis, and abnormal spinal curvature. The image is taken with the patient standing or lying sideways so the X‑ray beam passes from one side of the body to the other.

The four standard lumbar spine X‑ray views are anteroposterior (AP), lateral, oblique, and a lumbosacral (L5–S1) spot view. AP shows overall alignment and vertebral heights; lateral evaluates disc spaces, vertebral bodies and canal; oblique views assess facet joints and pars interarticularis; the L5–S1 spot visualizes the lumbosacral junction obscured on standard lateral films.