Comparison of the effects of high and low-moderate load lower limb resistance training on muscle strength and exercise capacity in individuals with COPD: A systematic review and meta-analysis.

BACKGROUND: Extrapulmonary changes also occur in COPD. Resistance training can increase muscle strength and exercise capacity. OBJECTIVE: The objective of this systematic review was to examine and compare the effectiveness of high and low-moderate load lower limb resistance training on muscle strength and exercise capacity in individuals with stable chronic obstructive pulmonary disease (COPD). METHODS: The PubMed/Medline, Scopus, Cochrane Library, ClinicalTrials.gov, Web of Science, EBSCO, and CINAHL databases were searched to identify the articles published in English between January 1970 and July 2023. RESULTS: Seven randomized controlled trials with a total of 188 individuals with COPD (RT: 100, CG: 88) met the inclusion criteria. A significant difference was revealed (favoring high load) in the change in knee extensor muscle strength and leg press strength in the high load resistance training group compared to the low-moderate load resistance training group (MD 21.90 Nm, 95 % CI 17.46-26.34 Nm, p < 0.00001; MD 5.80 kg, 95 % CI 3.87-7.73 kg, p < 0.00001). A significant difference was observed in the change in 6 MWT (six minute walk test) distance (favoring low-moderate load) and VO2peak (peak oxygen uptake) (favoring high load) in the high load resistance training group compared to the low-moderate load resistance training group (MD -16.90 m, 95 % CI -29.76- -4.04 m, p < 0.010; MD 3.10 ml/kg/min, 95 % CI 2.65-3.55 ml/kg/min, p < 0.00001). CONCLUSION: This systematic review and meta-analysis demonstrated that both high-load and low-moderate load resistance training increased muscle strength and might increase exercise capacity.

Comparison of respiratory muscle strength and endurance, maximal oxygen consumption, and fatigue in colorectal cancer survivors with healthy adults.

PURPOSE: This study aimed to evaluate respiratory muscle strength and endurance, maximal oxygen consumption, and fatigue of colorectal cancer (CRC) survivors and compare them with healthy individuals. METHODS: Demographic and clinical characteristics were recorded. Respiratory muscle strength (maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP)) was measured using an electronic mouth pressure device, and respiratory muscle endurance was assessed using a constant workload protocol with linear workload device. Peak oxygen consumption (VO2peak) was measured using the cardiopulmonary exercise test (CPET) with modified Bruce protocol. Fatigue was assessed using the Brief Fatigue Inventory (BFI). RESULTS: The patients had similar demographic characteristics (p > 0.05). MEP (cmH2O and %predicted) were lower in the CRC group than in healthy controls (p < 0.05). MIP (cmH2O and %predicted) and test duration did not differ between the groups (p > 0.05). VO2peak (ml/min and %predicted) and VO2peak/kg (%predicted) were significantly lower in the CRC group (p < 0.05). BFI score differed significantly in the CRC and control groups (p < 0.05). CONCLUSION: Respiratory muscle strength, maximal exercise capacity, and fatigue are adversely affected in CRC survivors. Cancer treatment may cause loss of muscle strength and impair energy metabolism and oxygen transmission. These changes can result in decreased exercise capacity and respiratory muscle strength and increased fatigue. Studies examining the effects of different exercise training programs in CRC survivors are needed.

The effects of yoga on the quality of life and depression in elderly breast cancer patients.

OBJECTIVE: The aim of the study was to investigate the effects of yoga on the quality of life in patients with cancer. DESIGN: Twenty patients (10 were in yoga program, 10 were in exercise group) between 65 and 70 years of age under going treatment for cancer were included in the study. Physical characteristics of the patients were recorded and general physiotherapy assessments performed. Eight sessions of a classical yoga program including warming and breathing exercises, asanas, relaxation in supine position, and meditation and 8 sessions of classical exercise program were applied to participants. MAIN OUTCOME MEASURES: Before and after yoga and exercise program, quality of life assessments for the patients were conducted using the Nottingham Health Profile (NHP). Patients' depression levels were assessed using the Beck Depression Inventory. Their level of pain, fatigue and sleep quality was evaluated using the visual analog scale (VAS). RESULTS: It was found that all patients' quality of life scores after the yoga and exercise program were better than scores obtained before the yoga and exercise program (p < 0.05). When the post treatment data of the groups were compared in terms of NHP and subcategories, ER, SI, S, PA and the total scores of NHP were found significantly different in favor of Group I (p < 0.05). However EL and P scores of the NHP were not different between the groups (p > 0.05). When the groups were compared in terms of depression, pain, fatigue, and sleep quality, statistically significant differences were found in all parameters between pre and post treatment values for both groups (p < 0.05). When the post-treatment values of the groups were compared, fatigue and sleep quality were found statistically different between the groups in favor of Group I (p < 0.05). CONCLUSIONS: It can be concluded that yoga is valuable in helping to diminish depression, pain, fatigue and helps cancer patients to perform daily and routine activities, and increases the quality of life in elderly patients with breast cancer.

Effects of yoga on the quality of life in cancer patients.

OBJECTIVE: This study sought to investigate the effects of yoga on the quality of life in patients with breast cancer. DESIGN: Twenty patients between 30 and 50 years of age presently under treatment for breast cancer were included in the study. The physical characteristics of the patients were recorded and general physiotherapy assessments performed. Eight sessions of a yoga program including warming and breathing exercises, asanas, relaxation in supine position, and meditation were applied to participants. MAIN OUTCOME MEASURES: The pre- and post-yoga quality of life assessments for the patients were conducted using the Nottingham Health Profile (NHP). Patients' stress levels were assessed using the STAI-I and STAI-II anxiety inventory. Their satisfaction levels about the yoga program was evaluated using the visual analog scale (VAS). RESULTS: It was found that patients' quality of life scores after the yoga program were better than scores obtained before the yoga program (p < 0.05). After sessions, there was a statistically significant decrease in their STAI-I (measuring the reactions of anxiety) scores and STAI-II (measuring the permanence of anxiety) scores (p < 0.05). It was found out that the satisfaction score concerning the yoga program was considerably increased after the yoga program (p < 0.05). CONCLUSIONS: It can be concluded that yoga is valuable in helping to achieve relaxation and diminish stress, helps cancer patients perform daily and routine activities, and increases the quality of life in cancer patients. This result was positively reflected in patients satisfaction with the yoga program.