[Purpose] The purpose of this study is to clarify the current status and issues of physical therapy intervention in critical care centers in Japan through a systematic review. [Participants and Methods] We extracted articles from 4 different electronic databases and hand searches on physical therapy intervention performed in patients admitted to critical care centers. [Results] Seven of the included articles were analytical epidemiological studies. The outcome measures and results were similar to those reported overseas for physical therapy intervention in intensive care units. [Conclusion] In the future, it is necessary to increase the number of reports of physical therapy intervention in critical care centers and to demonstrate their effectiveness through high-quality studies.

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[Purpose] The purpose of this study was to analyze the factors related to the continuity of prevention care classes for community-dwelling older adults. [Participants and Methods] A questionnaire survey was conducted among 38 participants (9 men and 29 women, mean age 73.1 years) from our class, and their responses regarding reasons for attending the class were converted into text format (.txt). Text mining was then performed using KHCoder. Frequent words were extracted, categorization was conducted, and a co-occurrence network was created．[Results] In the process of categorization, responses were divided mainly into factors related to the improvement of physical function and factors related to psychological stability. In the co-occurrence network, ”good ” occupied the central position and was strongly associated with ”classroom, ” ”atmosphere, ” and ”teacher. ” [Conclusion] To continue running the prevention care classes, it is important to create an atmosphere that provides effective exercise and psychological security.

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[Purpose] In this study, we focused on the muscle strength and range of motion of the shoulder and hip joints as factors related to Baseball pitching velocity. The aim of this study was to provide scientific knowledge to improve the pitching performance of pitchers by clarifying the factors affecting pitching velocity. [Participants and Methods] The subjects included were 20 college baseball pitchers who were practicing pitching in games. The range of motions and muscle strengths of the shoulder and hip joints were measured using a photographic and a manual muscle strength measuring device, respectively. [Results] Multiple regression analysis using the stepwise method showed a significant regression equation with the two independent variables: hip external rotation range of motion of the supporting leg and hip external rotation muscle strength. The contribution rate was 51%. [Conclusion] In other words, 51% of the ball velocity could be explained by the external rotation muscle strength and external rotation range of motion of the supporting leg hip joint.

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[Purpose] This study aimed to clarify the characteristics of free moment while walking at different speeds and while running. [Subjects and Methods] Sixteen healthy male and female volunteers participated in this study. The free moment characteristics under four conditions, namely, slow walking, comfortable walking, fast walking, and jogging, were compared. Furthermore, the correlation between the free moment characteristics and the vertical component of the ground reaction force under each condition was verified. [Results] While walking, the free moment resisting foot abduction tended to increase as the walking speed increased. Meanwhile, the vertical component of the ground reaction force was larger while jogging than while walking; however, there was no significant change in the amplitude of the free moment. [Conclusion] Free moment characteristics demonstrated different transitions for walking and jogging. It was suggested that for free moment while running, it is important to pay attention to its direction and that it is influenced by the characteristics of the body kinematics.

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