Cardiorespiratory and metabolic responses to body mass-based squat exercise in young men

Haramura, Miki; Takai, Yoshiaki; Yoshimoto, Takaya; Yamamoto, Masayoshi; Kanehisa, Hiroaki

doi:10.1186/s40101-017-0127-9

Cited by 7 publications

(7 citation statements)

References 29 publications

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“…Haramura et al. ( 2017 ) showed that body mass‐based squats exercise is of moderate intensity and involves aerobic metabolism after 5 min from exercise onset in healthy young men (Haramura et al., 2017 ). From these previous studies, body mass‐based RT was expected to have aerobic training aspects.…”

Section: Discussionmentioning

confidence: 99%

“…Body mass‐based resistance exercise (e.g., squats), which can be performed by everyone anywhere, are feasible and effective for improving knee extensor muscular strength in older adults (Yoshiko & Watanabe, 2021 ) and body fat percentage and knee extensor muscular strength in adolescents (Takai et al., 2013 ). Interestingly, in young men, body mass‐based squat exercises involve aerobic metabolism after 5 min from exercise onset (Haramura et al., 2017 ). This indicates that body mass‐based resistance exercise would be predominately supported by aerobic metabolism when continuously performed.…”

Section: Introductionmentioning

confidence: 99%

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Effects of free weight and body mass‐based resistance training on thigh muscle size, strength and intramuscular fat in healthy young and middle‐aged individuals

Ogawa

Hashimoto

Mochizuki

et al. 2023

Experimental Physiology

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New Findings What is the central question of this study?How do free weight resistance training (RT) and body mass‐based RT for 8 weeks compare for isometric muscular strength, muscle size and intramuscular fat (IMF) content in the quadriceps femoris? What is the main finding and its importance?Free weight and body mass‐based RTs could induce muscle hypertrophy; however, decreased IMF content was observed following the body mass‐based RT alone. Abstract The objective of this study was to investigate the effects of free weight and body mass‐based resistance training (RT) on muscle size and thigh intramuscular fat (IMF) in young and middle‐aged individuals. Healthy individuals (aged 30–64 years) were assigned to either a free weight RT group (n = 21) or a body mass‐based RT group (n = 16). Both groups performed whole‐body resistance exercise twice a week for 8 weeks. Free weight resistance exercises (squats, bench press, deadlift, dumbbell rows and back range) involved 70% one repetition maximum, with three sets of 8–12 repetitions per exercise. The nine body mass‐based resistance exercises (leg raise, squats, rear raise, overhead shoulder mobility exercise, rowing, dips, lunge, single‐leg Romanian deadlifts and push‐ups) included the maximum possible repetitions per session, which were performed in one or two sets. Mid‐thigh magnetic resonance images using the two‐point Dixon method were taken pre‐ and post‐training. The muscle cross‐sectional area (CSA) and IMF content in the quadriceps femoris were measured from the images. Both the groups showed significantly increased muscle CSA post‐training (free weight RT group, P = 0.001; body mass‐based RT group, P = 0.002). IMF content in the body mass‐based RT group significantly decreased (P = 0.036) but did not significantly change in the free weight RT group (P = 0.076). These results suggest that the free weight and body mass‐based RTs could induce muscle hypertrophy; however, in healthy young and middle‐aged individuals, decreased IMF content was induced following the body mass‐based RT alone.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of free weight and body mass‐based resistance training on thigh muscle size, strength and intramuscular fat in healthy young and middle‐aged individuals

Ogawa

Hashimoto

Mochizuki

et al. 2023

Experimental Physiology

View full text Add to dashboard Cite

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“…After 200 training cycles, the loss of the network decreased to 0.9, and the network did not converge. In previous squat tests, no uniform squat range was achieved and no uniform control method for the squatting range was formed [32][33][34]. In this case, even if the standard for evaluating individual cardiopulmonary function by IST was established, the results would be meaningless owing to different squat ranges.…”

Section: Discussionmentioning

confidence: 99%

Artificial Neural Network-Based Model for Evaluating Maximum Oxygen Uptake from the Incremental Squatting Test in Young People

Wang¹,

Fan²,

Ding³

et al. 2022

JOMH

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Background: Currently, there are two methods for testing maximal oxygen uptake: the direct and indirect methods, but both have certain requirements for testing equipment, site, and personnel. There is a lack of a convenient and effective method for testing maximum oxygen uptake (VO2max). With the development of artificial neural network (ANN), a solution to this gap is provided. Objective: The goal of this study was to design a method to evaluate the cardiopulmonary function of young people and verify its feasibility and reliability. Methods: The incremental squat test (IST) and Young Men's Christian Association (YMCA) test were designed with 196 subjects (97 males and 99 females). The back propagation (BP) neural network was used to construct the model of VO2max by recording and analyzing squatting times, height, weight, gender, age, leg length, Manou Riers Skelic index (MRSI), and VO2max. Results: Three hidden layers and 65 nodes were employed in the BP neural network. Each hidden layer contained 19 nodes. Other parameters of this network were 0.01, 0.9, and 2000 for the learning rate, momentum, and iterations, respectively. The difference between the measurements and predictions was not significant (p > 0.05), and the correlation between them was extremely strong (r = 0.98, p < 0.01). Conclusions:We conclude that the model constructed using the BP neural network is accurate, and the IST is feasible for predicting VO2max. This method can be used as a substitute for other cardiopulmonary fitness test protocols in cases of insufficient venues and equipment. thereby preventing health complications. In subsequent studies, the sample size should be expanded, and separate prediction models should be developed for different genders.

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“…Scientific RepoRtS |(2020) 10:1815 | https://doi.org/10.1038/s41598-020-58791-0www.nature.com/scientificreports www.nature.com/scientificreports/ on an individual's maximal aerobic power54 . In future studies, VO 2max will be tested and used as a factor to analyze its influence on metabolic variables.…”

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confidence: 99%

Comparison of energy expenditure and substrate metabolism during overground and motorized treadmill running in Chinese middle-aged women

Xue

Peng

et al. 2020

Sci Rep

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Jing-jing Xue 2,3* , ping Hong 4 , chao Song 5 & Zi-hong He 2 The purpose of this study was to compare differences of energy expenditure and substrate metabolism between motorized-treadmill and overground running in three different velocities in Chinese middleaged women. In total, 74 healthy middle-aged women (age, 48 ± 4 years; height, 159.4 ± 4.9 cm; weight, 58.6 ± 6.7 kg; and body-mass index (BMI), 23.1 ± 2.7 kg/m 2) volunteered to participate in this study. Bioelectrical-impedance analysis was used to measure body composition. Energy expenditure, carbohydrates (CHO), and fat oxidation were calculated with indirect calorimetry during motorizedtreadmill and overground running. Running speed from slow to fast was 7.0, 8.0, and 9.0 km/h. The duration of each velocity was 6 min, separated by 5-15 min rest. There was no significant difference in energy expenditure between overground and treadmill running at the speed of 7 km/h (8.10 ± 1.25 vs. 7.75 ± 1.13 kcal/min, p > 0.05). Energy expenditure of overground running at 8 and 9 km/h was higher than that of treadmill running (9.36 ± 1.40 vs. 8.54 ± 1.21 kcal/min; 10.33 ± 1.55 vs. 9.54 ± 1.36 kcal/ min; both p < 0.01). Fat contribution to energy consumption was significantly higher during treadmill running than during overground running (both p < 0.01) at speeds of 8 and 9 km/h. Overground running at high intensity incurred greater energy consumption than treadmill running did. However, results showed greater fat utilization during treadmill running than during overground running at high intensity. It is critical that these differences are taken into account when we prescribe training modes and intensities for middle-aged women.

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Cardiorespiratory and metabolic responses to body mass-based squat exercise in young men

Cited by 7 publications

References 29 publications

Effects of free weight and body mass‐based resistance training on thigh muscle size, strength and intramuscular fat in healthy young and middle‐aged individuals

Effects of free weight and body mass‐based resistance training on thigh muscle size, strength and intramuscular fat in healthy young and middle‐aged individuals

Artificial Neural Network-Based Model for Evaluating Maximum Oxygen Uptake from the Incremental Squatting Test in Young People

Comparison of energy expenditure and substrate metabolism during overground and motorized treadmill running in Chinese middle-aged women

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