The Effect of Different Standing up Frequencies in Sit-to-stand Exercise on Oxygen Uptake

Nakamura, Keisuke; Ohira, Masayoshi; Yokokawa, Yoshiharu

doi:10.1589/jpts.26.1631

Cited by 7 publications

(7 citation statements)

References 10 publications

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“…Exercise training produces changes in the concentration of several biologically active molecules including cortisol and testosterone 49 , 50 , 51 ) , which play pivotal roles as catabolic and anabolic agents in gluconeogenesis via the proteolytic pathway. The storage of glycogen and muscular protein synthesis is stimulated by testosterone 52 ) .…”

Section: Discussionmentioning

confidence: 99%

The effects of four weeks aerobic training on saliva cortisol and testosterone in young healthy persons

2015

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[Purpose] The purpose of this study was to evaluate the effect of 4 weeks moderate aerobic exercise on outcome measures of saliva stress hormones and lactate levels in healthy adult volunteers. [Subjects and Methods] Sixteen healthy students with an age range of 15–25 years participated in this study. The participants performed an exercise test of moderate intensity for 4 weeks, three times per week. The exercise was treadmill walking. Saliva concentrations of cortisol, testosterone and lactate dehydrogenase (LDH) were measured before and after the 4 weeks of moderate aerobic training using immunoassay techniques. [Results] After 4 weeks of exercise, there were significant increases in cortisol, free testosterone levels, and LDH activity along with a significant decrease in the ratios between testosterone and cortisol levels. No significant correlations were found among the studied parameters in the resting stage, a result which supports the positive effect of exercise on stress hormones following 4 weeks of training. [Conclusion] The results suggest that four weeks exercise of moderate intensity significantly affects the salivary stress hormones of young healthy volunteers. The data support the importance of salivary stress hormones as potential biological markers especially for older ages. However, more research is required to validate these biological markers which determine the host response to physical activity.

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Section: Discussionmentioning

confidence: 99%

The effects of four weeks aerobic training on saliva cortisol and testosterone in young healthy persons

2015

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“…The exercise load intensity in the ISTS test was externally adjusted using the standing-up frequency, controlled by audio and visual signals, such as up or down arrows, via a computer. The standing-up frequency in the O-ISTS test was increased by 2 times/minute every 45 seconds from 6 times/minute to 36 times/minute during the 12-minute exercise period, while the S-ISTS test increased by 2 times/minute every 30 seconds from 6 times/ minute to 36 times/minute during the 8-minute exercise period (Table 1) 12) .…”

Section: Methodsmentioning

confidence: 99%

Comparison of original and alternative incremental sit-to-stand exercise protocol for anaerobic threshold assessment

Nakamura

Nagasawa

Sawaki

et al. 2020

JPFSM

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Anaerobic threshold (AT) is an established parameter of aerobic fitness. The incremental sit-to-stand exercise (ISTS), using one of the activities of daily living, is used to assess physical capacity in patients who are unable to safely pedal or walk. However, the effect of an alternative ISTS protocol on AT remains unclear. The aim of this study was to compare the effect of the original ISTS protocol with an alternative shortened ISTS protocol on AT values in healthy young adults, and to assess the difference in AT values obtained during the ISTS protocols and the cycle ergometer test. Twelve healthy young adults (mean [range] age: 26.8 [22-33] years, 6 men and 6 women) performed the shortened version of the ISTS (S-ISTS), the original version of ISTS (O-ISTS), and cycle ergometer (CE) tests in a randomized order. The AT values of participants were measured during each of the three tests. No significant difference in AT values was observed among the three tests. AT obtained by individuals in the S-ISTS was significantly correlated with that obtained during the O-ISTS and CE tests with r values of 0.96 and 0.81, respectively (p < 0.05). Similar to the O-ISTS and CE test, the S-ISTS test may be used as an exercise test for the assessment of AT in a clinical setting.

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“…The ISTS started with 3 min of rest, followed by 3 min of warm-up and 12 min test session. The frequency during the ISTS test was 6 times/min during the warm-up period and 6 to 36 times/min during the exercise period (Table 1)3 ) . The frequency of standing up was controlled by audio signals provided by a metronome.…”

Section: Participants and Methodsmentioning

confidence: 99%

“…It consists of the repetitive motion of standing up and sitting down on a chair. STS, which requires only a chair and small space, can be performed by a large number of individuals, and the exercise load intensity can be easily adjusted by changing the standing frequency and chair height3 ) . Thus, we developed the incremental sit-to-stand exercise (ISTS) protocol based on the findings from a previous study1, 3, 4 ) for measuring aerobic fitness (Table 1…”

Section: Introductionmentioning

confidence: 99%

Validity and reproducibility of an incremental sit-to-stand exercise test in healthy middle-aged individuals

et al. 2019

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[Purpose] We aimed to evaluate the validity and reproducibility of the incremental sit-to-stand exercise test for aerobic fitness evaluation in healthy middle-aged individuals. [Participants and Methods] Thirteen healthy middle-aged individuals randomly underwent the incremental sit-to-stand exercise and cycle ergometer tests, and the peak oxygen uptake was measured during both tests. Pearson’s correlation coefficients were used to assess the strength of the association between the peak oxygen uptake measured during the aforementioned tests. Intraclass correlation coefficients with 95% confidence intervals for peak oxygen uptake obtained during the first, second, and third incremental sit-to-stand exercise tests were used to determine the reproducibility of this test. [Results] The peak oxygen uptake measured during the incremental sit-to-stand exercise test was strongly associated with that measured during the cycle ergometer test (r=0.86). The intraclass correlation coefficients (95% confidence intervals) used to verify the association of the peak oxygen uptake between the first and the second incremental sit-to-stand exercise tests and between the second and third incremental sit-to-stand exercise tests were 0.92 (0.66–0.99) and 0.96 (0.82–0.99), respectively. [Conclusion] The incremental sit-to-stand exercise test is a valid and reproducible tool to evaluate aerobic fitness in healthy middle-aged individuals.

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The Effect of Different Standing up Frequencies in Sit-to-stand Exercise on Oxygen Uptake

Cited by 7 publications

References 10 publications

The effects of four weeks aerobic training on saliva cortisol and testosterone in young healthy persons

The effects of four weeks aerobic training on saliva cortisol and testosterone in young healthy persons

Comparison of original and alternative incremental sit-to-stand exercise protocol for anaerobic threshold assessment

Validity and reproducibility of an incremental sit-to-stand exercise test in healthy middle-aged individuals

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