Katsumi Sato

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BACKGROUND Proximal humeral fractures occur frequently. Displaced or unstable fractures require open reduction and internal fixation. Our objective was to investigate the clinical and radiographic results of the internal fixation using Polarus humeral nails for fractures of the proximal humerus. MATERIALS AND METHODS From January 2001 to April 2006, 54(More)
BACKGROUND Much controversy exists as to the management of full-thickness tears of the rotator cuff. Not all patients with rotator cuff tears require surgical treatment. We have little information whether there are factors that are related to successful outcome of conservative treatment. AIM. The purpose of this study was to determine the factors related to(More)
The objective of this study was to work with a consecutive series of patients having Hospital for Special Surgery scores higher than 90 to evaluate kinematic patterns, under in vivo conditions, for 20 Japanese subjects implanted with 2 different mobile-bearing (MB) total knee arthroplasties (TKAs). Femorotibial contact paths for the medial and lateral(More)
We propose D-FLIP Paintings, a dynamic, flexible, and interactive display method of paintings aimed at education of art appreciation. This system dynamically makes a flexible layout of hundreds of paintings in real time according to the variety of interactions among the users. It is expected to provide proactive learning and new insights through dialogues(More)
Drunk driving is dangerous. An experience of drunk driving gives you a sense of the danger involved. For example, there is a seminar where you can experience drunk driving virtually at a driving school in Japan. Drunk driving virtual experience using a driving simulator also exists, but these programs target adults and people who can drive. Furthermore,(More)
Dance has been a required subject in Physical Education in Japan since 2012 [MEXT 2010]. However, there are many Physical Education teachers at elementary and junior high schools who had never taught dance before it became a required subject in 2012. There are even many teachers among them who have never studied dance. It has been reported that there are(More)
BACKGROUND Severe cases of cubital tunnel syndrome do not always result in functional recovery after surgical decompression of the ulnar nerve. A combined operation of tendon transfer to restore index finger abduction and decompression of the ulnar nerve was performed for patients with severe cubital tunnel syndrome who required powerful pinch strength and(More)
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