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Background: As people become older, the biological process of aging leads to a decline in functional capabilities, which entails difficulties in the performance of daily tasks. Within the "Active and Assisted Living Joint Programme" a consortium from Spain, Germany, and Switzerland developed an interactive Exergame software for older adults to maintain their physical abilities and independence within the daily tasks., Subjects and Methods: An interventional study was conducted to validate the software. For 3 months, Swiss and Spanish seniors used the system at least three times a week for minimum half an hour in their homes. The physical condition in terms of maintaining or increasing strength, balance, safety, and mobility of the seniors was assessed by using the Berg Balance Scale and the Senior Fitness Test. In addition, the effect on independence within the activities of daily living was assessed by using the Canadian Occupational Performance Measure, the Performance Quality Rating Scale, and the Iconographical Falls Efficacy Scale. We used the EQ 5D to evaluate the "quality of life.", Results: Twenty-nine participants (male; n = 14; female; n = 15) completed the study. Scores of endurance (2 minutes step test; P = 0.01, η 2  = 0.3) increased significantly. Moderate effect sizes in quality of life (r = 0.3), lower body strength (η 2  = 0.08), and large effect sizes in endurance (η 2  = 0.3) were detected. A small effect was evaluated within the gait speed (r = 0.2), mobility in the lower body (r = 0.2), and the balance capabilities (r = 0.2)., Conclusion: The results of this study lead us to the conclusion that physical training with activity-focused exergames that are related to the everyday tasks of older adults could help to maintain and improve the individual fitness status.

An unusual hereditary tremor which affects only the m. mentalis is reported. In four generations of a West Spanish family 20 members exhibited the symptom. It presents a quick rhythmic contractions of the m. mentalis with a frequency of 6-11/s. The amplitude varies greatly. The trembling of the chin appears at intervals from birth and may last seconds or minutes with shorter or longer asymptomatic periods. Stress or excitement can cause or intensify the symptoms. The quivering of the chin found in this West Spanish family does not differ from that described in 11 other families reported in the literature. They are all clinically identical with each other, and in the 12 families the symptom follows an autosomal dominant mode of inheritance. The penetrance is slightly reduced, and both sexes are equally affected. It is not serious, but for the patients it is a rather tedious anomaly which is hardly ever reported to a physician.