Factors related to hamstring strains.
D001265:Athletic Injuries / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D013180:Sprains and Strains / Q000209:etiology* / Q000503:physiopathology; D013708:Tendon Injuries / Q000209:etiology* / Q000503:physiopathology; D014142:Track and Field