Kontribusi Kekuatan Otot Lengan Terhadap Kemampuan Lempar Lembing Pada Siswa Kelas VIII1 SMP Negeri 1 Gunung Sahilan Kabupaten Kampar

Paldo, Oky (2019) Kontribusi Kekuatan Otot Lengan Terhadap Kemampuan Lempar Lembing Pada Siswa Kelas VIII1 SMP Negeri 1 Gunung Sahilan Kabupaten Kampar. Other thesis, Universitas Islam Riau.

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Abstract

Based on observations made by researchers to class VIII1 of SMP Negeri 1 Gunung Sahilan Kabupaten Kampar during the practice of javelin throwing in SMP Negeri 1 Gunung Sahilan Kabupaten Kampar, researchers encountered symptoms such as there were still many students who had not been able to achieve the maximum throw results. This is caused by the students 'lack of arm muscle strength, besides that the explosive power of the students' arm muscles is still weak so that the javelin thrown does not soar well, then the student's coordination of movement is still not good, so the students look stiff in performing javelin throwing techniques. The power of the students' arm muscles that are not optimal causes the javelin to be thrown not to fall far in the field. The lack of mastery of a good javelin technique resulted in a maximum javelin throwing result. The purpose of this study was to determine the contribution of arm muscle strength to javelin throwing ability in class VIII1 of SMP Negeri 1 Gunung Sahilan Kabupaten Kampar. This type of research is correlation. The population of this study were students of class VIII1 of SMP Negeri 1 Gunung Sahilan Kabupaten Kampar, amounting to 19 people. The sampling technique used is total sampling, namely the entire population is sampled, thus the sample of this study is 19 people. The data analysis technique used is the r test. From the results of the research that has been done, it is known that arm muscle strength has a relationship to the results of javelin throwing with Rhitung 0.589 greater than the rtable value = 0.456. This proves that when students throw javelin, the arm muscle strength contributes 34.69% to the results of javelin throwing.

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