causes of text neck syndrome. spinal curvature, kyphosis, lordosis of the neck, scoliosis, arthrosis. improper posture

anatomical anatomy back backache backbone body bone causes chiropractic concept cord curvature curve defect deformation deformity design disease element flat graphic health healthy human illustration infographics kyphosis lordosis lumbar medical medicine osteoporosis pain position posture science scoliosis shape slouching spinal spine stoop symptoms treatment type vector vertebral