Pengaruh Latihan Daya Tahan Terhadap Kadar Letpin pada Remaja Perempuan Obesitas
Keywords:
Endurance training, leptin, obesity, metabolism, Latihan daya tahan, obesitas, metabolismeAbstract
Abstract: An unhealthy lifestyle is one of the main factors that accelerate obesity. Obesity is associated with leptin resistance. This study intends to analyze the effect of endurance training on decreasing letpin levels in obese female adolescents. The method used in this research is true experimental with the randomized pretest-posttest control group design. The subjects of this study were university students from Malang City who experienced obsession. The subject taking technique used consecutive sampling technique based on inclusion and exclusion qualifications. In this study, the subjects were divided into 3 groups using the ordinal pairing (matching) technique. Exercise is carried out with an intensity of 60-70% HRmax, a frequency of 3x/week for 8 weeks. Analysis of leptin levels pretest and posttest using the ELISA method. The data analysis technique uses the Independent Samples T-Test with a significant level of 5%. The results of the Independent Samples T-Test test showed a P-Value of 0.724 > 0.05, so there was no significant difference in the average pre-test leptin levels at K1 and K2, while the average posttest leptin showed a P-Value of 0.000 <0.05 and P-Value delta shows a value of 0.002 < 0.05. Based on the results of the study it was concluded that endurance training with an intensity of 60-70% HRmax carried out with a duration of 45 minutes/exercise session, frequency 3x/week for 8 weeks is effective in reducing leptin levels in obese female adolescents.
Abstrak: Gaya hidup yang kurang sehat, merupakan salah satu faktor utama yang mempercepat terjadinya obesitas. Obesitas dikaitkan dengan resistensi leptin. Penelitian ini bermaksud untuk menganalisis pengaruh latihan daya tahan terhadap penurunan kadar letpin pada remaja perempuan obesitas. Metode yang digunakan dalam penelitian ini yaitu true eksperimental dengan rancangan the randomized pretest-posttest control group design. Subjek penelitian ini mahasiswi Universitas dari Kota Malang yang mengalami obsesitas. Teknik pengambilan subjek menggunakan teknik consecutive sampling berdasarkan kualifikasi inklusi serta eksklusi. Pada penelitian kali ini subjek dibagi menjadi 3 kelompok menggunakan teknik ordinal pairing (matching). Latihan dilakukan dengan intensitas 60-70% HRmax, frekuensi 3x/minggu selama 8 minggu. Analisis kadar leptin pretest dan posttest menggunakan metode ELISA. Teknik analisis data memakai uji Independent Samples T-Test dengan tingkat signifikan 5%. Hasil uji Independent Samples T-Test menunjukkan nilai P-Value 0.724 > 0.05, maka tidak terdapat perbedaan signifikan rata-rata kadar leptin pretes pada K1 dan K2, sedangkan rata-rata leptin posttest menunjukkan nilai P-Value 0.000 < 0.05 dan P-Value delta menunjukkan nilai 0.002 < 0.05. Berdasarkan hasil penelitian disimpulkan bahwa latihan daya tahan dengan intensitas 60-70% HRmax yang dilakukan dengan durasi 45 menit/sesi latihan, frekuensi 3x/minggu selama 8 minggu efektif dalam menurunkan kadar leptin pada remaja perempuan obesitas.
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