Pengaruh Pemberian Jus Buah Jambu Biji Merah Terhadap Kadar Haemoglobin Dan Vo2max Pada Aktifitas Fisik Maksimal
Abstract
Aktifitas fisik dapat menyebabkan peningkatan produksi radikal bebas yang dapat mengakibatkan penurunan antioksidan sehingga mempengaruhi performance atlet akibat terjadi sport anemia. Radikal bebas dapat dicegah atau dikurangi dengan pemberian antioksidan. Telah diketahui buah jambu biji merah mengandung berbagai jenis antioksidan alami tetapi belum pernah diteliti khasiatnya untuk mengurangi produksi radikal bebas yang dipicu oleh aktifitas fisik. Tujuan penelitian adalah mengetahui efek pemberian jus jambu biji merah terhadap kadar haemoglobin dan VO2max atlet pada aktifitas fisik maksimal. Jenis penelitian yang dilakukan adalah penelitian eksperimental dengan rancangan penelitian Randomized Control Group Pretest-Postest Design. Penelitian dilaksanakan di Stadion Universitas Negeri Medan dan Laboratorium Fisiologi FIK-UNIMED. Penelitian dilakukan selama 3 bulan. Populasi dan sampel penelitian adalah mahasiswa Ilmu Keolahragaan sebanyak 20 orang yang memenuhi kriteria yang dibagi menjadi 2 kelompok yaitu kelompok eksperimen dan kelompok kontrol. Pada penelitian dilakukan pengukuran kadar Haemoglobin dan VO2Max saat pre test dan post test. Hasil analisis data diperoleh bahwa pemberian jus jambu biji merah selama menjalani program latihan dapat meningkatkan kadar Hb dan VO2max pada aktifitas fisik maksimal.
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DOI: https://doi.org/10.24114/pjkr.v1i2.7565
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