x ray of the human chest fracture fixation. lumbar spine radiograph using steel screws to hold the backbone in position

coccyx femoral head xray scan stenosis canal chest sacrum metal lumbosacral spine surgery screws spinal body femur human radiation radiology emergency orthopedic fluoroscopy fluoroscope trauma foreign ray tendon mri ct treatment accident hospital vertebrae disease cartilage radiography back pain fixation ribs medical joint skeleton surgical anatomy patient screw lumbar bone