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Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The purpose of this study was to develop an instrument to identify movements and produce recommendations for children who are predicted to be able to develop in badminton. Materials and methods. The kind of this research is research and development consisting of (1) the Preliminary study stage, (2) the Expert validation stage, (3) the Acceptance test stage, and (4) the benefit test stage. The validation stage is carried out by three experts with assessment indicators of suitability, accuracy, convenience, and practicality. The acceptance test phase was obtained from the application of the instrument to the participants. The benefits test stage was determined by a retest test to determine the reliability of the instrument. Participants in the product trial consisted of two groups, namely the male group with 17 participants and the female group with 17 participants. The age of the participants was 6-7 years old. They were elementary school students who were in grade 2. Statistical analysis used a test-retest. Results. The results show that the validation from badminton experts gives an assessment with a presentation of 97% in the very good category, the validation of talent identification experts is 98% in the very good category, and the validation from the coach is 97% in the very good category. For the acceptance test, 4 children (24%) in the first test were recommended, and 5 children (29%) in the second test were recommended. For girls, 2 children (12%) in the first test were recommended, and 3 children (18%) in the second test were recommended. For the reliability test, it was obtained 0.97 in the very strong category for boys and 0.91 in the very strong category for girls. Conclusions. This instrument has been proven valid and reliable and can provide recommendations. The existence of this instrument can facilitate sports teachers and badminton coaches in identifying children's movements. [ABSTRACT FROM AUTHOR]

It is evident that manual tools used to assess volleyball players' upper limb muscles show some shortcomings in terms of time consumption, accuracy, and high concentration that forecast errors occur during measurement. To address such an issue, this Research and Development (R&D) aims to design and develop an effective digital-based instrument for measuring arm muscles' explosive strength. The participants of this study were 52 male students that were divided into a small group (n=12) and a large group (n=40). They are sports science students at Pahlawan Tuanku Tambusai University. There were also nine experts involved in this study. These experts are from some disciplines, namely volleyball, Information Technology (IT) media, as well as test and measurement. Data were collected by means of questionnaires adopting a 4-point Likert scale. After data analysis, results show that all nine-instrument development validators who are volleyball experts, IT media experts, as well as test and measurement experts confirmed that the product developed is Very Feasible (91.58%). Moreover, the reliability test conducted using the product-moment correlation obtained r of 0.652, while the results of the effectiveness test performed using the Independent Sample t-test was 1.000>0.05. The developed tool that functions as a digital-based tool for measuring volleyball players' upper limb muscle explosive power is considered Very Feasible by the experts. Thus, it can become a useful tool for mitigating errors and enhancing accuracy to measure arm muscle explosive power in various settings and purposes. [ABSTRACT FROM AUTHOR]

The This study aims to design a motor skill training tool for children using sensor-based agility components in pgysical education learning. This study uses a research and development design. the materials used are Arduino, Connector, LED, Sensor tool, Power button, and Tool cover. After the product design is made, Collecting research data by conducting direct interviews with experts. it will then be validated by a competent expert. In this study, we asked for validation from three experts, namely: (1) evaluation and exercise evaluation (2) instrumentation physicist (3) motor skills expert. Collecting research data by conducting direct interviews with experts. Based on the expert validation test, the design of skill training tools using sensor-based agility components gets effective results, so that they can be used to carry out motor skills exercises. The importance of motor skills as the basis for every child's active life, with the help of tools to help children to encourage themselves to practice, Design of motor skills training tools with sensor-based agility components has the potential and effectiveness to train children's motor skills. [ABSTRACT FROM AUTHOR]