[The influence of the body weight on the 133 xenon clearance of the brachial muscles (author's transl)].

Muscles blood flow (MBF) was determined by 133-Xenon-Clearance at rest in 78 persons free of vascular symptoms. Significant differences were found between males and females with normal body weight. Depending on the special composition of both groups (normal subjects and obese under 60 years) there was no significant decrease of MBF with increasing age.