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Journal : Medikora: Jurnal Ilmiah Kesehatan Olahraga

Pengaruh latihan life kinetic terhadap ketepatan pukulan forehand tenis meja Luthfi Abdul Faris; Nurlan Kusmaedi; Surdiniaty Ugelta; Hamidie Ronald
MEDIKORA Vol 21, No 1 (2022): April
Publisher : Faculty of Sports Sciences, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/medikora.v21i1.48132

Abstract

Penelitian ini untuk bertujuan untuk mengetahui pengaruh latihan Life Kinetic terhadap ketepatan pukulan forehand drive pada cabang olahraga tenis meja. Metode penelitian yang digunakan adalah metode eksperimen dengan desain The Randomized Pretest-Posttest Control Group Design. Sampel dalam penelitian ini merupakan anggota aktif unit kegiatan mahasiswa tenis meja Universitas Pendidikan Indonesia dengan jumlah sampel sebanyak 10 orang kelompok eksperimen dan 10 orang kelompok kontrol. Teknik pengambilan sampel menggunakan purposive sampling. Instrumen yang digunakan pada penelitian ini adalah instrumen kemampuan ketepatan forehand drive tenis meja untuk mengukur kemampuan ketepatan forehand drive. Instrument ini memiliki tingkat validitas tinggi 1 dan reliabilitas 0.96 dan reliabilitas 0.95. Analisis data menggunakan uji normalitas Shapiro-Wilk, uji homogenitas, dan uji hipotesis Paired T-Test dan Independent T-Test. Hasil penelitian ini menunjukkan bahwa latihan dengan metode life Kinetic memberikan pengaruh yang signifikan terhadap peningkatan ketepatan pukulan pada anggota unit kegiatan mahasiswa tenis meja Universitas Pendidikan Indonesia. Maka dari itu, penulis merekomendasikan untuk menerapkan latihan life Kinetic dalam proses pelatihan tenis meja karena terbukti memberikan pengaruh bagi anggota unit kegiatan mahasiswa tenis meja Universitas Pendidikan IndonesiaThe effect of life kinetic training on table tennis forehand strike accuracyAbstractThe purpose of this study was to determine whether there was an effect of Life Kinetic training on the accuracy of forehand drive strokes in table tennis. The research method used is an experimental method with The Randomized Pretest-Posttest Control Group Design. The sample in this study is an active member of the table tennis student activity unit at the University of Education Indonesia with a total sample of 10 people in the experimental group and 10 in the control group. The sampling technique used was purposive sampling. The instrument used in this study is the Table Tennis Forehand Drive Accuracy Ability Instrument to measure the forehand drive accuracy ability. Data analysis used the Shapiro-Wilk normality test, homogeneity test, and the Paired T-Test and Independent T-Test hypothesis testing. The treatment in this study was conducted 10 times by providing the Life Kinetic exercise method for the experimental group. The results of this study indicate that the exercise with the Life Kinetic method has a significant effect on increasing the accuracy of strokes for members of the table tennis student activity unit at the University of Indonesia Education. Therefore, the author recommends applying Life Kinetic exercises in the table tennis training process because it has been proven to have an effect on members of the table tennis student activity unit at the University of Indonesia Education
Pengaruh olahraga di ruang terbuka dan ruang terbuka hijau terhadap inflamasi paru Cecep Muhammad Alawi; Hamidie Ronald Daniel Ray; Agus Rusdiana
MEDIKORA Vol 20, No 2 (2021): Oktober
Publisher : Faculty of Sports Sciences, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/medikora.v20i2.43254

Abstract

Tujuan penelitian ini adalah untuk menganalisis pengaruh olahraga di ruang terbuka dengan paparan polusi dan olahraga di ruang terbuka hijau terhadap inflamasi paru. Metode true eksperiment dan desain The Randomized Posttest-Only Control Group Design digunakan dalam penelitian ini. 24 ekor tikus putih galur wistar jantan dewasa dengan berat 200-250 gram berusia 8-9 minggu dibagi secara acak menjadi empat kelompok, NE (Non Exercise) sebagai kontrol, NE+Pol (Non Exercise + polusi Particulate Matter 2.5  75 ppm dan Carbon Monoxide Meter 100 ppm), Ex (Exercise 5 kali/minggu selama 4 minggu), Ex+Pol (Exercise + polusi). Penanda inflamasi Tumor Necrosis Factor-αlpha (TNF-α) dianalisis menggunakan Western Blotting. Untuk mengetahui perbedaan yang signifikan antar kelompok, analisis ANOVA satu jalur dan uji Post Hoc digunakan. Hasil penelitian menunjukkan bahwa kelompok eksperimen olahraga dengan paparan polusi memiliki kadar TNF-α yang signifikan lebih tinggi dibandingkan kelompok kontrol (Ex+Pol: 1,63 AU; NE: 0,54 AU; p=0,000). Tidak ada perbedaan yang signifikan antara kelompok eksperimen olahraga di ruang terbuka hijau dengan kelompok kontrol (Ex: 0,80 AU; NE: 0,54 AU; p=0,357). Dapat disimpulkan bahwa terdapat pengaruh olahraga di ruang terbuka dengan paparan polusi terhadap inflamasi paru. Dan hasil lain menunjukkan bahwa tidak terdapat pengaruh olahraga di ruang terbuka hijau terhadap inflamasi paru.The effect of exercise in open spaces and green open spaces on lung inflammationAbstractThe purpose of this study was to analyze the effect of exercise in open spaces with exposure to pollution and exercise in green open spaces on lung inflammation. True eksperiment and The Randomized Posttest-Only Control Group Design was used in this study. 24 adult male wistar white rats weighing 200-250 grams aged 8-9 weeks were randomly divided into four group, NE (Non Exercise) as control, NE+Pol (Non Exercise + exposure pollution Particulate Matter 2.5 75 ppm and Carbon Monoxide Meter 100 ppm), Ex (Exercise 5 times/week for 4 weeks), and Ex+Pol (Exercise + exposure pollution). The inflammatory marker Tumor Necrosis Factor-αlpha (TNF-α) was analyzed using Western Blotting. To find out the significant differences between groups, one-way ANOVA and Post Hoc test were used. The results showed that the exercise + exposure to pollution had significantly higher levels of TNF-α than the control group (Ex+Pol: 1,63 AU; NE: 0,54 AU; p=0,000). There was no significant difference between the exercise in green open space and the control group (Ex: 0,80 AU; NE: 0,54 AU; p=0,357). It can be concluded that there is an effect of exercise in an open space with exposure to pollution on lung inflammation. And other results show  there is no effect of exercise in green open spaces on lung inflammation.