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Effect of ten-week lower limb progressive resistance training on muscle quality of life and fatigue in adults with spinal muscular atrophy type III
Khadije Sohrabi, Abbas Ali Gaeini , Elham Shirzad , Shahram Khorshidi , Shahriar Nafissi, Hamid Reza Fateh,
Volume 82, Issue 4 (7-2024)
Abstract
Background: Spinal Muscular Atrophy (SMA) is a neurodegenerative disorder caused by a mutation in the survival motor neuron 1 (SMN1) gene. It is classified into five types (from type 0 to 4) based on the age of onset of symptoms and maximum motor function. This autosomal recessive mutation results in progressive weakness and atrophy of the proximal muscles. Due to the high cost of treatment, the critical timing of intervention, and the varied responses of patients, many individuals do not sufficiently benefit from current therapeutic methods. This study evaluates the impact of resistance training on the quality of life and fatigue in patients with SMA type III, considering the potential benefits of such training.
Methods: The present study was developmental and semi-experimental. Fourteen ambulatory patients with SMA type III were randomly assigned to exercise and control groups. The exercise group engaged in lower limb resistance training at an intensity of 6 to 8 on an adult resistance exercise scale for 10 weeks (25 sessions). During this period, the control group maintained their usual daily activities. Patients in the exercise group did not engage in any exercise activity other than the protocol of the present study. Patients' quality of life was measured with the Short Form 36 (SF-36) questionnaire, and fatigue severity was measured with the Fatigue Severity Scale (FSS), both evaluated pre- and post-intervention. The assessments and exercises were conducted in the occupational therapy department of Shariati Hospital, Tehran, from July 2023 to September 2023.
Results: Analysis of the results showed significant improvements (P<0.05) in the exercise group compared to the control group in the subscales of physical functioning and fatigue within the quality of life assessment. Additionally, notable differences were found between the groups on the fatigue intensity scale. However, No significant difference was observed in the patients' Body Mass Index (BMI) measurements.
Conclusion: Progressive resistance training of the lower limbs enhances the quality of life and reduces fatigue in patients with SMA type III.

Investigating the effect of aerobic training and Ursolic acid consumption on the expression of some genes of the sarcopenia and osteoporosis signaling pathways in type 2 diabetic model aged rats
Mohammad Hossein Rabbani , Parvin Farzanegi, Mohammad Ali Azarbayjani ,
Volume 82, Issue 6 (9-2024)
Abstract
Background: Aerobic exercise and the consumption of certain supplements, such as ursolic acid, may reduce sarcopenia and osteoporosis by activating or inhibiting specific genes and signaling pathways. This study aimed to investigate the effects of aerobic exercise and ursolic acid supplementation on the expression of genes related to inflammatory and autophagy pathways in type 2 diabetes.
Methods: This experimental study was conducted from May 2023 to October 2023 at Islamic Azad University, Sari Branch. A total of 30 male Wistar rats (12 months old, mean weight 390 g) were randomly assigned to five groups: 1) healthy (normal), 2) diabetic, 3) diabetic+exercise, 4) diabetic+supplement, 5) diabetic+exercise+ supplement. Diabetes was induced via intraperitoneal injection of streptozotocin (50 mg/kg body weight). The aerobic exercise protocol was performed five days a week for eight weeks. The supplement groups received a daily intraperitoneal injection of ursolic acid (250 mg/kg body weight).
Results: Data analysis showed that there was a statistically significant difference between the groups in the expression levels of LC3, Becline-1, TNFα, IL-1β Akt, and FOXO3 genes (P=0.000). The results of the post hoc test also showed that the expression level of LC3, Becline-1, TNFα, IL-1β genes in the model group increased significantly compared to the normal group (P=0.000). A significant difference was observed between intervention groups (P<0.05). The results of the follow-up test also showed that the level of expression of Akt genes in the model group was significantly decreased compared to the normal group (P=0.000). No significant difference was observed between intervention groups (P<0.05).
Conclusion: The results of the study showed that regular aerobic training and Ursolic acid consumption can affect inflammatory and autophagy pathways. These effects reduce cell atrophy through changes in some biological signals and help improve muscle function in type 2 diabetes. Therefore, aerobic training and Ursolic acid consumption can serve as an effective strategy for improving metabolic status and preventing cellular damage in this patient population.

The effect of eight weeks of high-intensity interval training on carcinoembryonic antigen, quality of life, and sleep quality in female colorectal cancer survivors
Hosna Moradi, Nasser Behpour, Mehrdad Payandeh, Mansoor Khazaei ,
Volume 82, Issue 10 (1-2025)
Abstract
Background: With the rising survival rates among individuals with colorectal cancer, improving quality of life and reducing the risk of recurrence have become key priorities in supportive care. High-intensity interval training (HIIT), due to its pronounced effects on physical function, inflammatory markers, and tumor-related indicators, has emerged as a promising intervention. This study aimed to evaluate the effect of an eight-week high-intensity interval training (HIIT) program on serum carcinoembryonic antigen (CEA) levels, quality of life, and sleep quality in female survivors of colorectal cancer.
Methods: This quasi-experimental study employed a pretest-posttest control group design and was conducted from July to September 2021 at the Kosar Women’s Sports Complex in Kermanshah, Iran. Twelve female colorectal cancer survivors (mean age=55.66±4.99 years) were randomly assigned to either an experimental (n=6) or control group (n=6). The experimental group participated in a supervised HIIT program for eight weeks. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI), and quality of life was evaluated using the World Health Organization Quality of Life (WHOQOL) questionnaire.
Results: Post-intervention analysis revealed a non-significant increase in CEA levels in the experimental group (mean±SD: 2.49±0.79; CI95%: 1.66-3.33; P=0.456), while the control group showed a statistically significant reduction (mean±SD: 1.04±0.22; CI95%: 0.84-1.25; P=0.044). However, significant improvements were observed in both sleep quality (mean±SD: 5.00±2.19; CI95%: 3.27-6.72; P=0.027) and quality of life (mean±SD: 77±9.40; CI95%: 84.11-88; P=0.028) within the experimental group. No significant changes were reported in the control group for either variable.
Conclusion: Findings suggest that high-intensity interval training may serve as an effective non-pharmacological intervention for enhancing sleep quality and overall quality of life in female colorectal cancer survivors. Nevertheless, the effects of HIIT on biological markers such as CEA require further investigation through larger and longer-term studies.

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