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All Journal Macca: Science-Edu Journal Jurnal Olahraga Kebugaran dan Rehabilitasi (JOKER)
Muhamad Baidhowi Primadi
Universitas Negeri Makassar
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media

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Analisis Komparatif Biomekanika Renang Gaya Bebas dan Gaya Dada Jarak 25 Meter Muhamad Baidhowi Primadi; Darul Husnul
Jurnal Olahraga Kebugaran dan Rehabilitasi (JOKER) Vol 6 No 1 (2026): Jurnal Olahraga Kebugaran dan Rehabilitasi (JOKER)
Publisher : Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35706/joker.v6i1.13568

Abstract

Penelitian ini bertujuan untuk membandingkan performa biomekanika gaya renang bebas dan gaya dada pada jarak 25 meter melalui analisis waktu tempuh sebagai indikator efisiensi gerak. Studi ini menggunakan pendekatan kuantitatif deskriptif dengan 46 mahasiswa Ilmu Keolahragaan sebagai subjek penelitian. Setiap subjek melakukan renang gaya bebas dan gaya dada sejauh 25 meter, dan waktu tempuh diukur menggunakan stopwatch presisi. Hasil menunjukkan bahwa gaya bebas memiliki rata-rata waktu tempuh sebesar 22,71 detik (SD = 7,74), sedangkan gaya dada sebesar 33,82 detik (SD = 9,58), dengan selisih rata-rata 11,11 detik. Hasil ini mengindikasikan bahwa gaya bebas secara signifikan lebih efisien dalam menghasilkan kecepatan renang pada jarak pendek. Dari perspektif biomekanika, efisiensi gaya bebas dipengaruhi oleh panjang tarikan (stroke length) yang lebih besar, rendahnya hambatan frontal, serta pola gerakan yang mendukung fase propulsi berkelanjutan. Sebaliknya, gaya dada menunjukkan variabilitas teknik yang lebih tinggi, serta fase recovery yang lebih lambat, yang menyebabkan penurunan efisiensi. Penelitian ini memberikan implikasi bagi pelatih dan pengajar dalam merancang strategi pelatihan teknik yang disesuaikan dengan karakteristik biomekanika masing-masing gaya renang, khususnya untuk meningkatkan performa pada nomor jarak pendek.
Perceptions of Physics Students on the Importance of Physics in Sports Muhamad Baidhowi Primadi; Afif Dwi Nugraha
MACCA : Science-Edu Journal Volume 1, No. 3: Oktober 2024
Publisher : Education and Talent Development Center of Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/msej.v1i3.2421

Abstract

This study aims to identify and analyze the perceptions of physics students about the relevance of physics in sports. Although physics is often considered a theoretical discipline, many physics principles underpin various techniques and movements in sports, such as Newton's laws of motion, energy principles, and momentum. However, students' understanding of these correlations is often limited or poorly contextualized in sports practice.The study employs a descriptive qualitative approach with purposive sampling techniques, involving 10-15 physics students with experience in recreational or competitive sports. Data were collected through semi-structured interviews to explore their views on the application of physics in sports, challenges in understanding sports-related physics concepts, and how physics can improve athletic performance.The findings indicate that most students recognize the importance of physics in sports. However, they feel that deeper physics understanding is insufficiently integrated into their physics curriculum. Some participants mentioned that the application of physics in sports could help prevent injuries and improve movement techniques. Despite this, many perceive physics as an abstract concept rather than something directly applicable to the sports world.This research provides insights into how students' perceptions of physics in sports can be enhanced and the need for more applicative and contextual teaching approaches. The findings are also expected to contribute to the development of more relevant and engaging physics teaching materials by integrating commonly encountered sports elements into everyday life.
Development of a Prototype Sports Physics Module for Physics Students at Universitas Negeri Makassar Muhamad Baidhowi Primadi
MACCA : Science-Edu Journal Volume 1, No. 3: Oktober 2024
Publisher : Education and Talent Development Center of Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/msej.v1i3.2423

Abstract

This study aims to develop a prototype sports physics module that can be used by physics students to connect physics theory with its application in sports. The module is designed with an approach based on physics theories relevant to sports concepts, such as Newton’s laws of motion, kinetic energy, frictional force, and momentum. The development process follows a research and development (R&D) methodology, which includes the stages of needs analysis, design, development, implementation, and evaluation. Data were collected through observation, interviews, and questionnaires, involving physics students selected through purposive sampling.The results indicate that this module not only enhances students' understanding of physics concepts but also strengthens their perception of the relevance of physics in sports. A limited trial involving 20 students showed an 80% improvement in material comprehension, as measured through pretest and posttest assessments. Additionally, the module was evaluated as effective by students and expert validators, with an average feasibility score of 86%. This study makes a significant contribution to the development of more contextual and applicative physics learning, especially for physics students at the university level.
Co-Authors Afif Dwi Nugraha Darul Husnul