ESTIMASI KALORI EKSPENDITURE BERDASARKAN ACCELEROMETER ACTIGRAPH DAN TREADMILL
Abstract
Penelitian ini bertujuan untuk membandingkan pengeluaran kalori yang diukur menggunakan Accelerometer Actigraph GT3X dan Treadmill dalam aktivitas fisik terkontrol. Populasi penelitian terdiri dari 50 mahasiswa Ilmu Keolahragaan Universitas Pendidikan Indonesia, yang terdiri dari 27 laki-laki dan 23 perempuan. Penelitian dilakukan dengan metode cross-sectional di laboratorium Fakultas Pendidikan Olahraga dan Kesehatan (FPOK UPI). Partisipan menjalani tiga sesi aktivitas di atas treadmill dengan kecepatan berbeda: 2,5 km/jam (jalan lambat), 4,5 km/jam (jalan cepat), dan 5,5 km/jam (jogging lambat). Pengumpulan data dilakukan dengan merekam pengeluaran kalori dari Accelerometer Actigraph GT3X dan Treadmill, yang kemudian dianalisis menggunakan SPSS versi 26. Hasil penelitian menunjukkan bahwa rata-rata estimasi pengeluaran kalori dari treadmill (3,13 METS) lebih tinggi dibandingkan dengan Actigraph (2,07 METS). Analisis korelasi Spearman menunjukkan hubungan yang lemah dan tidak signifikan antara kedua perangkat (r = 0,245; p > 0,05). Kesimpulannya, kedua perangkat memberikan hasil yang berbeda dalam memperkirakan pengeluaran kalori, sehingga tidak dapat digunakan secara bergantian. Actigraph lebih cocok untuk memantau aktivitas sehari-hari dengan intensitas rendah hingga sedang, sedangkan Treadmill lebih akurat untuk aktivitas fisik intensitas tinggi seperti lari atau jogging. Penelitian ini memberikan kontribusi dalam memahami perbedaan perangkat dalam mengukur pengeluaran kalori dan pentingnya memilih alat yang sesuai dengan kebutuhan pengguna.
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DOI: https://doi.org/10.37311/jjsc.v7i1.30049
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