title: [Physical fitness of children aged 11-14 years with multijoint laxity].
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000503:physiopathology*; D008297:Male; D010809:Physical Fitness; D014938:Work Capacity Evaluation
vernacular_title: Sprawność fizyczna dzieci w wieku 11--14 lat z wiotkościa wielostawowa.