“…Several epidemiologic studies have shown that cold may be a risk factor for occurrence or aggravation of disorders of the low back (Chen et al, 1991;Wang et al, cited by Pienim. aki, 2000;Hildebrandt et al, 2002;McGorry et al, 1998; and review by Jin et al, 2000); knee (Chen et al, 1991); shoulder (Chen et al, 1991;Pope et al, 1997;Niedhammer et al, 1998); and distal upper extremities (Chiang et al, 1990(Chiang et al, , 1993Kurppa et al, 1991). However, only one of these was a cohort study, which concerned the incidence of tenosynovitis, peritendinitis and epicondylitis in a meat-processing factory (Kurppa et al, 1991).…”