Effect of increased functional residual capacity on the active range of thoracic axial rotation in healthy young men

Kubo, Akira; Ishizaka, Masahiro; Takeuchi, Yoshiki; Shimura, Keita

doi:10.1589/jpts.30.282

Cited by 2 publications

(3 citation statements)

References 8 publications

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“…The change in FFD also depended on the amount of inhaled air. An expansion of the thorax with an increase in the FRC led to decreased mobility of trunk rotation as per our previous study2, 4 ) . In this study, we could demonstrate decreased active trunk flexion with a quantitative increase in FRC, in addition to trunk rotation.…”

Section: Discussionsupporting

confidence: 79%

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Effects of increased functional residual capacity on finger-floor distance in healthy young adults

et al. 2019

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[Purpose] To investigate the effect of increased functional residual capacity on the finger-floor distance and to assess spinal curvature in the sagittal plane using the Spinal Mouse in healthy young participants. [Participants and Methods] Thirty-nine healthy volunteers (age=21.2 ± 0.8 years) participated in this study. The finger-floor distance was used to measure trunk flexion and was recorded at the resting expiration level and at 2 different functional residual capacity levels: 1,000 and 2,000 ml air inhaled at the resting expiration level. Spinal curvature morphology was evaluated using the Spinal Mouse in the sagittal plane when flexion was completed under the 2 increased functional residual capacity and resting expiration level conditions during finger-floor distance measurement. Finger-floor distance and spinal curvature were assessed according to functional residual capacity using one-way repeated measures analysis of variance and post-hoc analysis. [Results] Significant effects and differences were found for the finger-floor distance under all conditions. No significant effect was found for spinal curvature. [Conclusion] An increase in functional residual capacity may decrease trunk flexion. This correlation might also be observed in patients with chronic obstructive pulmonary disease.

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Section: Discussionsupporting

confidence: 79%

“…Our previous study2 ) demonstrate that an increase in FRC might decrease an active range of thoracic axial rotation in healthy young participants. The causes and mechanisms for poor thoracic mobility in these patients are complicated.…”

Section: Introductionmentioning

confidence: 90%

Effects of increased functional residual capacity on finger-floor distance in healthy young adults

et al. 2019

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“…Our previous study demonstrated that increased functional residual capacity might decrease the active range of thoracic axial rotation 5) and a finger-floor distance 6) in healthy young adults, though the causes and mechanisms of poor thoracic mo-bility in patients with COPD are complicated. These studies had limitations that required solving, i.e., IC was not measured using spirometry.…”

Section: Introductionmentioning

confidence: 99%

The effects of decreased inspiratory capacity on postural stability during backward reach

Kubo

Ishizaka

2020

J Phys Ther Sci

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The purpose of this study is to investigate the effect of decreased inspiratory capacity on the backward reach distance in healthy young individuals, as patients with chronic obstructive pulmonary disease have a high risk of falling. [Participants and Methods] Thirteen healthy volunteers (age, 19.2 ± 0.4 years: mean ± SD) participated in this study. We recorded the backward reach distance at the resting expiration level and at two different inspiratory capacity levels: −1/3 and −2/3 of inspiratory capacity, when the air is inhaled at resting expiration level. We assessed the backward reach distance for each inspiratory capacity, using one-way repeated measures analysis of variance and post-hoc analysis. [Results] We found that inspiratory capacity has a significant effect on backward reach distance. The backward reach distance was significantly decreased in participants with a −2/3 inspiratory capacity, compared with the backward reach distance in participants with a resting expiration level. [Conclusion] Patients with lung volume fractionation and decreased inspiratory capacity lack postural stability during backward reach. Therefore, the link between decreased inspiratory capacity and loss of balance in patients with chronic obstructive pulmonary disease may, in part, be due to decreased postural stability, and the resulting tendency to plan movements, which create a loss of balance.

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Effect of increased functional residual capacity on the active range of thoracic axial rotation in healthy young men

Cited by 2 publications

References 8 publications

Effects of increased functional residual capacity on finger-floor distance in healthy young adults

Effects of increased functional residual capacity on finger-floor distance in healthy young adults

The effects of decreased inspiratory capacity on postural stability during backward reach

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