Kontribusi Daya Ledak Otot Tungkai Terhadap Hasil Lompat Tinggi Gaya Straddle Siswa Putera Kelas XI SMAN 1 Kampar Utara

Pahlevi, Ilham (2018) Kontribusi Daya Ledak Otot Tungkai Terhadap Hasil Lompat Tinggi Gaya Straddle Siswa Putera Kelas XI SMAN 1 Kampar Utara. Undergraduate thesis, Universitas Islam Riau.

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Abstract

This research will be based on by some of the problems found in the male students grade XI SMA Negeri 1 Kampar Utara, they are: many students can't do straddle style the high jump correctly, the results of the students high jump are still less satisfying, it is seen from the high of students jump-up maximum are still low, it is not complete in doing technique of straddle style the high jump, it is seen from the students still often who could not pass the bar with smooth and part of their body touches the bar so that the bar has been dropped, in addition it caused by less good mastery of the technique , inadequate physical condition so that it does not support in straddle style the high jump, the last facilities and infrastructure are lacking sufficient, it caused less motivation of students and tends to lazy to do the high jump with a consideration that they are fear of injury, etc. This research aims to know the contribution of leg muscle explosive power to the results of straddle style the high jump at male students class XI SMA Negeri 1 Kampar Utara. The type of research used is korelasional (correlation). The population is male student class XI SMA Negeri 1 Kampar Utara, while the sample is the male student class XI IPA 1 SMA Negeri 1 Kampar Utara, as much as 10 students. The instruments used are the measurement of leg muscle explosive power (vertical Jump) and the high jump tests. Technique of data analysis to calculate the contribution results is vertical jump test in doing the high jump. From the test results of data x and y obtained a correlation (r count) = 0.635. After being compared with r table values in n-2 (20-2) = 18, is r (99%) = 0.561, r (95%) = 0.444 or r count> r table or 0.635> 0.561> 0.444. While the result of variable contribution between X and Y is 40%. Thus it can be concluded that there are relationships between leg muscle explosive power to straddle style the high jump’s ability at male students Class XI SMA Negeri 1 Kampar Utara, as much as 20 students. Keyword: Contribution of leg muscle explosive power, straddle style the high jump’s result

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