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Pengaruh Permainan Lari Estafet terhadap Kecepatan Remaja Rahma Dewi; Jan Bobby Nesra Barus; Desima Sigalingging; Riko Suranta Ginting; Christian Roito Sitompul
Jurnal Pendidikan Tambusai Vol. 10 No. 2 (2026): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v10i2.39336

Abstract

Permainan lari estafet merupakan salah satu aktivitas olahraga yang dapat digunakan dalam pembelajaran Pendidikan Jasmani, Olahraga, dan Kesehatan (PJOK) untuk meningkatkan kemampuan fisik peserta didik, khususnya kecepatan lari. Penelitian ini bertujuan untuk mengetahui pengaruh permainan lari estafet terhadap kecepatan remaja melalui metode observasi. Penelitian menggunakan pendekatan deskriptif kualitatif dengan teknik pengumpulan data berupa observasi terhadap aktivitas siswa selama mengikuti permainan lari estafet. Hasil observasi menunjukkan bahwa permainan lari estafet mampu meningkatkan kecepatan lari siswa, meningkatkan semangat belajar, memperbaiki koordinasi gerak, serta meningkatkan kerja sama antar anggota kelompok. Selain itu, siswa menunjukkan perubahan positif dalam kemampuan berlari dan pergantian tongkat estafet setelah mengikuti latihan secara rutin. Faktor yang memengaruhi peningkatan kecepatan siswa meliputi kondisi fisik, kekuatan otot kaki, teknik berlari, motivasi, serta kerja sama tim. Permainan lari estafet juga memberikan suasana pembelajaran yang lebih menyenangkan sehingga siswa lebih aktif dalam mengikuti kegiatan olahraga. Berdasarkan hasil penelitian, dapat disimpulkan bahwa permainan lari estafet memberikan pengaruh positif terhadap peningkatan kecepatan remaja serta mendukung perkembangan keterampilan motorik dan sosial siswa.
The Difference in the Effect of Medicine Ball Chest Throw and Kettlebell Floor Press Exercises on Arm Muscle Power and Passing Ability of Men's Basketball Athletes of the Man 2 Club Medan Model In 2025 Raihan Rahmad Hartoyo; Jan Bobby Nesra Barus
AMK : Abdi Masyarakat UIKA Vol. 5 No. 2 (2026): JUNI
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/amk.v5i2.3419

Abstract

The low arm muscle power and passing ability of MAN 2 Model Medan basketball athletes is the problem addressed in this study. This condition causes a decrease in playing effectiveness and teamwork. This study aims to determine the effect of medicine ball chest throw and kettlebell floor press exercises on the arm muscle power of male basketball athletes at the MAN 2 Model Medan club. The research method applied in this study was a Pre-test and post-test two-group design. The research sample consisted of 12 male athletes divided into two groups, namely the medicine ball chest throw group and the kettlebell floor press group. The research was conducted over 18 sessions. The first hypothesis test shows that the t-count > t-table (8,06 > 2.571). It is concluded that H0 is rejected and H1 is accepted, which means that there is a significant effect of medicine ball chest throw training on arm muscle power. The second hypothesis test shows that the t-count > t-table (6,79 > 2.571). It can be concluded that H0 is rejected and H1 is accepted, which means that there is a significant effect of kettlebell floor press training on arm muscle power. The third hypothesis test shows that t-count > t-table (9.13 > 2.571). It can be concluded that H0 is rejected and H1 is accepted, meaning that there is a significant effect of medicine ball chest throw training on passing ability. The fourth hypothesis test shows that t-count > t-table (5.70 > 2.571). It can be concluded that H0 is rejected and H1 is accepted, meaning that there is a significant effect of kettlebell floor press training on passing ability. The fifth hypothesis test shows that t-count < t-table (2,06 < 2.228). This can be concluded that there is no significant difference in the effect between the post-test of the medicine ball chest throw group and the post-test of the kettlebell floor press group on arm muscle power. However, the calculations show that the medicine ball chest throw group exercise has better results than the kettlebell floor press group on arm muscle power. The sixth hypothesis test shows that the t-count is less than the t-table (1.93 < 2.228). It can be concluded that there is no significant difference in the effect between the post-test of the medicine ball chest throw group and the post-test of the kettlebell floor press group on passing ability. However, the calculations show that the medicine ball chest throw group exercise has better results than the kettlebell pullover group on passing ability.