The acquisition of stable gait initiation in patients after femoral proximal fracture surgery is considered important from the viewpoint of preventing re-falls and re-fractures, but there have been no previous studies that have clarified the characteristics of such movements. In this study, we measured the gait initiation movements of six postoperative patients with femoral proximal fracture and four healthy elderly subjects, and evaluated the mediolateral margins of stability (ML MOS), anticipatory postural adjustments (APA), and spatio-temporal parameters were compared between the two groups and between the patients’ legs. The results showed that step length and step speed of swing leg (SW step speed) were significantly lower in postoperative patients with femoral proximal fracture than in healthy elderly patients, but there were no significant differences in ML MOS, APA and step width.

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Dementia has emerged as one of the top global priorities for health and social care in the 21st century. We focused on the physical activity guideline recommended by the World Health Organization (2010,2019) for reducing the risk of dementia [bouts of physical activity of at least 3 METs and at least 10 minutes]. We are developing Cymis, an electronic musical instrument that allows users to easily play their favorite songs, in the belief that the addition of musical performance will encourage users to continue exercising. The computer stores pre-programmed scores of songs. The user plays the music by stomping his or her feet while sitting and pressing on the inflated balloon. The heart rate is displayed on a monitor in real time. A performance experiment was conducted with healthy men in their 20s. They were easily able to meet the physical activity guideline. A psychological evaluation was also carried out using a flow state scale. The usefulness of the system was demonstrated.

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