title: Hypokinesia of bedfastness and its relationship of x-ray determined skeletal density.
mesh_terms: D015502:Absorptiometry, Photon; D000293:Adolescent; D000328:Adult; D001842:Bone and Bones / Q000000981:diagnostic imaging / Q000473:pathology*; D002648:Child; D002675:Child, Preschool; D006233:Persons with Disabilities; D006801:Humans; D009069:Movement Disorders / Q000473:pathology*