Afrizal, Afrizal (2023) Kontibusi Daya Ledak Otot Tungkai Terhadap Kecepatan Lari Sprint 50 Meter Pada Siswa Kelas Viii.e Mtsn 4 Kampar. Other thesis, Universitas Islam Riau.

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Abstract

The purpose of this study was to determine the contribution of leg muscle explosive power to the 50 meter sprint in Class VIII.E students of MTsN 4 Kampar. This type of research is correlational research. The population used was students of class VIII.E MTsN 4 Kampar totaling 21 male students using a random sampling method of 21 male students. The instruments used were the Standing broad jump to measure the explosive power of the leg muscles and the 50 meter run to measure running speed. The results of the study were that there was a contribution of the explosive power of the leg muscles to the speed of the 50-meter sprint in class VIII.E students of MTsN 4 Kampar with rcount = 0.696 > rtable = 0.413 with KD = 48.44%.

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