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All Journal Sains Olahraga : Jurnal Ilmiah Ilmu Keolahragaan Riyadhoh : Jurnal Pendidikan Olahraga SPRINTER: Jurnal Ilmu Olahraga
Erfandy, Wahyu
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ANALISIS KADAR ASAM LAKTAT ATLET PUTRI UKM BOLABASKET UNIVERSITAS MUHAMMADIYAH CIREBON Erfandy, Wahyu; ., Arrahman
Sains Olahraga : Jurnal Ilmiah Ilmu Keolahragaan Vol 4, No 2: Oktober 2020
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/so.v4i2.20336

Abstract

Setiap kegiatan latihan fisik akan berdampak terhadap kondisi tubuh sehingga akan menimbulkan kelelahan. Penumpukan kadar asam laktat yang paling cepat dan paling tinggi dicapai selama latihan yang berlangsung selama 60 sampai 180 detik. Penumpukan asam laktat akan menyebabkan terjadinya acidossis yang besar pada otot dan pengosongan glikogen pada laju tercepatnya sehingga menyebapkan turunnya intensitas kerja. Tujuan penelitian adalah untuk mengetahui peningkatan kadar asam laktat antara sebelum dan setelah bermain bolabasket. Tempat penelitian dilakukan di lapangan bolabasket Universitas Muhammadiyah Cirebon, Populasi dan sampel penelitian adalah tim bolabasket putri UKM bolabasket Universitas Muhammadiyah Cirebon, Tehnik pengambilan sampel dalam penelitian ini menggunakan purposive sampling. Alat yang digunakan untuk mengukur kadar asa laktat pada penelitian ini adalah asam laktat meter (hp cosmos). Hasil kadar asam laktat sebelum bermain bolabasket tim bolabasket putri UKM Bolabasket Universitas Muhammadiyah Cirebon didapatkan nilai  rata-rata 3.3750 mg/dl. dan memperoleh nilai P value sebesar 0,000 (P<0.05) sedangkan data kadar asam laktat setelah bermain didapatkan nilai rata-rata  8.5417 mg/dl,  hasil data dan pembahasan dari penelitian ini maka dapat disimpulkan bahwa terdapat peningkatan kadar asam laktat antara sebelum dan setelah bermain bolabasket tim bolabasket putri UKM bolabasket Universitas Muhammadiyah Cirebon sebesar 5.16667  mg/dl.Kata kunci : Kadar asam laktat, bolabasket
THE EFFECT OF LEG EXTENTION TRAINING ON THE LEG MUSCLE STRENGTH OF FOOTBALL PLAYERS AT SMA NEGERI 3 BANJARBARU Rachman, Aryadi; Ridha, Sahbana; Saputra, Deny Bagus; Erfandy, Wahyu
Riyadhoh : Jurnal Pendidikan Olahraga Vol 7, No 2 (2024): Riyadhoh : Jurnal Pendidikan Olahraga
Publisher : Universitas Islam Kalimantan Muhammad Arsyad Al Banjari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/rjpo.v7i2.16038

Abstract

Leg muscle strength is an essential component in supporting the performance of soccer athletes, particularly in terms of speed and kicking power. Leg extension exercises are a form of resistance training focused on strengthening the quadriceps (front thigh muscles) by lifting weights with the legs while seated on a leg extension machine. The aim of this study is: to determine whether there is the effect of exercise on the leg extension leg muscle strength of soccer player SMAN 3 Banjarbaru. This research uses quantitative methods of pre-experimental. The study design used pretest and posttest in One Group. The population in this study is a soccer player of SMA 3 Banjarbaru of 20 people, then a sample total sampling technique or sample is saturated. The survey results revealed that leg extension exercise influences leg muscle strength in soccer players SMAN 3 Banjarbaru in accordance with the criteria of testing the value of Sig. (2-tailed) 0.000 <0.05. Leg extension exercise resulted in an increase in leg muscle strength in soccer players SMAN 3 Banjarbaru amounted to 15 440.
Hubungan Sedentary Lifestyle terhadap Minat Olahraga pada Peserta Didik Sekolah Dasar Darmawan, Syamsul; Wibowo, Tito Parta; Zahra, Siti Fatimahtun; Erfandy, Wahyu; Muhaimin, Ali; Sari, Dini Permata
SPRINTER: Jurnal Ilmu Olahraga Vol. 6 No. 3 (2025): SPRINTER: Jurnal Ilmu Olahraga
Publisher : MAN Insan Cendekia Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46838/spr.v6i3.923

Abstract

Activity carried out after sleeping is called sedentary behavior. Therefore, to engage in sports activities, we must have the intention or desire for these sports activities to be carried out. This non-experimental quantitative research does not control or manipulate the variables. The study was conducted on elementary school students in Lalabata District. The population in this study was all sixth-grade students in 4 schools in Lalabata District, and sampling used purposive sampling with a sample of 108 students. After data collection, the data were analyzed using Spearman's rank correlation. The results of the 2-tailed sig. have a sig. 2-tailed value > 0.05, which is 0.08. Therefore, from these calculations, it can be concluded that there is no relationship between a sedentary lifestyle and sports interest in sixth-grade elementary school students in Lalabata District. Thus, it can be concluded that there is no relationship between a sedentary lifestyle and sports interest in sixth-grade elementary school students in Lalabata District. Researchers can use the findings of this study to identify the relationship between sedentary lifestyle and other variables that may influence and relate to each other.
Co-Authors ., Arrahman DARMAWAN, SYAMSUL Muhaimin, Ali Rachman, Aryadi Ridha, Sahbana Saputra, Deny Bagus Sari, Dini Permata Siti Fatimahtun Zahra Wibowo, Tito Parta