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All Journal Physical Therapy Journal of Indonesia
Syetiawinanda, Amriansyah
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Health Professions Medicine & Pharmacology Neuroscience Nursing Public Health

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Effects of aerobic exercise and high-intensity interval training on muscle damage in an overtraining rat model Syetiawinanda, Amriansyah; Doewes, Muchsin; Purwanto, Bambang; Soetrisno, Soetrisno; Kristiyanto, Agus; Pamungkasari, Eti Poncorini
Physical Therapy Journal of Indonesia Vol. 6 No. 1 (2025): January-June 2025
Publisher : Universitas Udayana dan Diaspora Taipei Medical University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51559/ptji.v6i1.297

Abstract

Background: Overtraining is commonly associated with elevated oxidative stress, inflammatory responses, and structural damage to muscle fibers, all of which contribute to a decline in physical performance. This study aimed to assess the impact of aerobic exercise on biomarkers including malondialdehyde (MDA), interleukin-6 (IL-6), caspase-3, nitric oxide (NO), superoxide dismutase (SOD), as well as the integrity of the sarcolemma. Methods: A six-week experimental study was conducted using 24 rats, which were randomly divided into three groups (n = 8 per group): a negative control group (no treatment), an aerobic exercise group, and a high-intensity interval training (HIIT) group. The levels of biochemical markers, including malondialdehyde (MDA), interleukin-6 (IL-6), nitric oxide (NO), and superoxide dismutase (SOD), were measured using the enzyme-linked immunosorbent assay (ELISA) technique. Additionally, the expression of caspase-3 was determined through immunohistochemical (IHC) analysis. Muscle tissue damage was evaluated by means of histopathological examination. The data were analyzed using a one-way analysis of variance (ANOVA), followed by the Mann-Whitney post hoc test to assess differences between groups. Results: The findings indicated that aerobic exercise did not result in a statistically significant reduction in malondialdehyde (MDA) (p = 0.833), interleukin-6 (IL-6) (p = 0.800), nitric oxide (NO) (p = 0.791), or superoxide dismutase (SOD) (p = 0.520) levels. Nevertheless, the aerobic exercise group exhibited a significantly lower expression of caspase-3 compared to the other groups (p = 0.023). Furthermore, aerobic exercise was associated with a significant reduction in muscle tissue damage (p = 0.001). Conclusion: The findings of this study indicate that both aerobic exercise and high-intensity interval training (HIIT) have the potential to be utilized as therapeutic approaches for mitigating exercise-induced muscle damage, primarily through their positive influence on sarcolemma stability. However, additional clinical investigations are necessary to confirm these results and establish their relevance for clinical implementation.
The effects of overtraining protocol on markers of oxidative stress and inflammation Syetiawinanda, Amriansyah; Doewes, Muchsin; Purwanto, Bambang; Soetrisno, Soetrisno; Kristiyanto, Agus; Pamungkasari, Eti Poncorini
Physical Therapy Journal of Indonesia Vol. 6 No. 2 (2025): Inpress July-December 2025
Publisher : Universitas Udayana dan Diaspora Taipei Medical University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51559/ptji.v6i2.304

Abstract

Background: Overtraining can elevate reactive oxygen species (ROS), suppress endogenous antioxidant activity, and trigger systemic inflammation. Monitoring oxidative stress and inflammation is essential to prevent muscle damage. This study aimed to examine the effects of an overtraining protocol on oxidative stress and inflammatory markers MDA, IL-6, NO, and SOD in male Wistar rats. Methods: The experimental was conducted over two weeks using male Wistar rats at the Bioscience Institute Laboratory, Universitas Brawijaya, Malang, Indonesia as a preliminary study. Three rats were examined to assess the effects of overtraining on MDA, IL-6, NO, and SOD levels. Observations were made one day after overtraining protocol for the intervention group value (KP) and six weeks after overtraining for the control group value (K1). Results: Three male rats underwent an overtraining protocol, and blood samples were collected one day post-overtraining (KP) to assess MDA, IL-6, NO, and SOD levels. The mean values at KP were MDA: 370.3 ± 10.3, IL-6: 5.9 ± 0.7, NO: 61.0 ± 8.4, and SOD: 0.05 ± 0.03. At six weeks post-overtraining (K1), MDA (192.8 ± 10.3), IL-6 (3.3 ± 1.9), and NO (41.7 ± 21.6) levels were lower, while SOD (0.3 ± 0.2) was higher compared to KP. Conclusion: Overtraining can elevate ROS and inflammatory responses, as indicated by increased MDA, IL-6 levels, and NO, along with reduced SOD expression.
Co-Authors Agus Kristiyanto Bambang Purwanto Eti Poncorini Pamungkasari Muchsin Doewes Soetrisno Soetrisno