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The effect of carbohydrate loading on physical performance and adaptations in amateur sports enthusiasts: A systematic review Dewvi, Putu Ayu Savitri; Wulandari, Putu Ayu; Devi, Natasha Pradnya; Sumartini, Ni Ketut
Jurnal SAGO Gizi dan Kesehatan Vol 7, No 1 (2026): April
Publisher : Poltekkes Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/gikes.v7i1.3080

Abstract

Background: Carbohydrate loading (CL) increases muscle glycogen reserves before intense physical activity. While CL has been shown to be beneficial for elite athletes, the metabolic capacity and activity duration of amateur and recreational athletes are variable. As sports nutrition guidelines for amateur athletes vary, especially regarding CL indications, duration, and dose, this variance has practical and therapeutic ramifications.Objectives: This study aimed to systematically review the effects of carbohydrate loading on the physical performance and adaptation of amateur sports enthusiasts.Methods: This systematic review was conducted following the PRISMA 2020 guidelines. We searched PubMed, ScienceDirect, ProQuest, and Google Scholar for publications from 2005 to 2025. Experimental or randomized controlled trials of high-carbohydrate diets in non-elite athletes were included in this review. Two reviewers independently selected the articles, and a third reviewer resolved any disagreements. VO2max, time to exhaustion, race results, and metabolic responses were all recorded. The risk of bias and study quality were assessed using the Cochrane Risk of Bias 2.0 and the NIH Quality Assessment Tools.Results: Seven studies were included in the analysis. Five trials found that carbohydrate loading improved endurance and glucose stability and reduced fatigue. Events lasting > 90 min showed the greatest performance gains. Short-term and moderate-intensity activities had no meaningful impact on the two studies. These differences may have been caused by differences in training, glycogen storage, and diet.Conclusion: Carbohydrate loading improves endurance performance and metabolic efficiency, particularly during long-duration exercise. However, inter-individual heterogeneity emphasizes the need for tailored carbohydrate regimens to maximize athletic performance in endurance sports.
Penyuluhan Makanan Sehat untuk Mencegah Penyakit Metabolik di SMP Negeri 6 Denpasar Sukawati, Cokorda Istri Mas Dalem; Purnawijaya, Made Adinanta; Wirayanti, Putu Diani; Alvina, Made Kurnia; Harimawan, Agustinus I Wayan; Saskara , I Dewa Gde Wira; Weta, I Wayan; Sumartini, Ni Ketut; Yuliani, Eni; Ratha, I Putu Prayoga; Siallagan, Rini Martha; Sutadarma, I Wayan Gede
Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat) Vol 6 No 3 (2026): Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat)
Publisher : Pustaka Galeri Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55382/jurnalpustakamitra.v6i3.1783

Abstract

Penyakit metabolik merupakan kelompok gangguan yang prevalensinya terus meningkat dan berkaitan erat dengan pola makan tidak sehat serta gaya hidup sedentari. Remaja merupakan kelompok yang rentan terhadap perubahan pola konsumsi, sehingga diperlukan intervensi edukatif sejak dini untuk mencegah terjadinya penyakit metabolik di masa mendatang. Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan pengetahuan siswa mengenai pola makan sehat sebagai upaya pencegahan penyakit metabolik. Kegiatan dilaksanakan di SMP Negeri 6 Denpasar dengan melibatkan 46 siswa. Metode yang digunakan meliputi pemeriksaan antropometri (berat badan, tinggi badan, lingkar perut, dan indeks massa tubuh), penyuluhan melalui ceramah interaktif dengan media presentasi dan video edukasi, serta evaluasi menggunakan pre-test dan post-test. Analisis data dilakukan secara deskriptif dan uji statistik menggunakan paired t-test. Hasil menunjukkan bahwa rerata berat badan, tinggi badan, lingkar perut, dan IMT siswa berturut-turut adalah 51,38 ± 10,90 kg, 158,2 ± 8,5 cm, 71,0 ± 9,1 cm, dan 21,5 ± 3,8 kg/m². Sebagian besar siswa memiliki status gizi normal (37,0%), namun ditemukan proporsi overweight dan obesitas yang cukup tinggi (masing-masing 21,7%). Rerata nilai pengetahuan meningkat secara signifikan dari 77,1 ± 17,2 pada pre-test menjadi 91,0 ± 10,8 pada post-test (p < 0,001). Kegiatan penyuluhan ini efektif dalam meningkatkan pengetahuan siswa mengenai pola makan sehat dan pencegahan penyakit metabolik, serta berpotensi menjadi strategi promotif dalam membentuk perilaku hidup sehat sejak usia remaja.