scholarly journals The Trunk Rotation may Differentially Affect Lung Volume and Respiratory Muscle Strength in Males and Females

2021 ◽  
Author(s):  
Miki Takahata ◽  
Miho Osawa ◽  
Mizuki Hoshina ◽  
Michiyasu Yamaki ◽  
Toshiaki Sato
Keyword(s):  
Muscle Strength ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Sitting Position ◽  
Trunk Rotation ◽  
Respiratory Muscle Strength ◽  
Postural Changes ◽  
Healthy Young People ◽  
Males And Females ◽  
Rest Posture

Abstract It is known that gender affect pulmonary function, associated with anatomical differences between male and female. However, the effects of trunk rotation on respiratory variables and its differences between males and females remain unclear. We examined the effects of gender and physical characteristics on postural changes in healthy young people. In this study, 9 males and 11 females (22 ± 1 year old for both males and females) were enrolled. We measure the vital capacity (VC), inspiratory capacity (IC), tidal volume (VT), expiratory reserve volume (ERV), inspiratory reserve volume (IRV), and force vital capacity (FVC) and respiratory muscle (PImax and PEmax) with rest posture in the sitting position (rest posture) in sitting position and 30° trunk rotation both genders in the sitting position (rotational posture). The value of VC, IC, ERV, IRV, FVC, or FEV1.0 for males were significantly higher than that for females in both postures. Further, PEmax was more affected by rotational posture in male than in female. On the other hand, PImax showed a significant decrease in the rotational posture only in females. This study indicated that the effect of rotational posture on PImax and PEmax, a measure of respiratory muscle strength, may be different between males and females. These finding may provide important insights on gender differences in respiration in daily living.

scholarly journals The Trunk Rotation May Reduce Lung Volume and Respiratory Muscle Strength Prominently in Female Than Male

2021 ◽  
Author(s):  
Miki Takahata ◽  
Miho Osawa ◽  
Mizuki Hoshina ◽  
Michiyasu Yamaki ◽  
Toshiaki Sato
Keyword(s):  
Pulmonary Function ◽  
Daily Living ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Sitting Position ◽  
Trunk Rotation ◽  
Postural Changes ◽  
Healthy Young People ◽  
Males And Females ◽  
Rest Posture

Abstract It is known that gender affect pulmonary function, associated with anatomical differences between male and female. However, the effects of trunk rotation on respiratory variables and its differences between males and females remain unclear. We examined the effects of gender and physical characteristics on postural changes in healthy young people. In this study, 9 males and 11 females (22 ± 1 year old for both males and females) were enrolled. We measure the vital capacity (VC), inspiratory capacity (IC), tidal volume (VT), expiratory reserve volume (ERV), inspiratory reserve volume (IRV), and force vital capacity (FVC) and respiratory muscle (PImax and PEmax) with rest posture in the sitting position (rest posture) in sitting position and 30° trunk rotation both genders in the sitting position (rotational posture). The value of VC, IC, ERV, IRV, FVC, or FEV1.0 for males were significantly higher than that for females in both postures. In both genders, the VC, ERV, FVC, FEV1.0, and PEmax values in the rotational posture were significantly lower than that in the rest posture. Further, in females, there was a significant decrease in PImax in the rotational posture compared with the resting posture.This study indicated that trunk rotation may limit pulmonary function prominently in female than in male. These finding may provide important insights on gender differences in respiration in daily living.

Study of Respiratory Muscle Strength, Vital Capacity, and Ventilometry in the Postoperative Period of Spinal Surgery by Posterior Access

Spine ◽  
2006 ◽  
Vol 31 (12) ◽  
pp. E367-E372 ◽  
Author(s):  
Telma Lissandra Di Pietro ◽  
Luciana Machado Sogame ◽  
Milena C. Vidotto ◽  
José R. Jardim
Keyword(s):  
Muscle Strength ◽  
Postoperative Period ◽  
Spinal Surgery ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Respiratory Muscle Strength

scholarly journals Effect of Upright and Slouched Sitting Postures on the Respiratory Muscle Strength in Healthy Young Males

2018 ◽  
Vol 2018 ◽  
pp. 1-5 ◽  
Author(s):  
Ali Albarrati ◽  
Hamayun Zafar ◽  
Ahmad H. Alghadir ◽  
Shahnwaz Anwer
Keyword(s):  
Muscle Strength ◽  
Respiratory Muscle ◽  
Forced Expiratory Volume ◽  
Demographic Variables ◽  
Sitting Position ◽  
Respiratory Muscle Strength ◽  
Young Males ◽  
Significant Difference ◽  
Predicted Values ◽  
Male Subjects

Objective. The present study compared the effects of upright and slouched sitting postures on the respiratory muscle strength in healthy young males. Methods. A total of 35 adult male subjects aged 18–35 years participated in this study. Respiratory muscle strength was determined by measurement of sniff nasal inspiratory pressure (SNIP) using a MicroRPM device in the upright and slouched sitting positions. The subjects were asked to perform the pulmonary function test including peak expiratory flow (PEF), forced expiratory volume in one second (FEV1), forced vital capacity (FVC), and FEV1/FVC ratio at baseline. Body composition was also determined. Results. There was a significant difference of SNIP score between upright sitting and slouched sitting positions (p=0.04). The mean difference of SNIP score between upright sitting and slouched sitting positions was 8.7 cmH2O. Significant correlations were found between SNIP in upright sitting and FEV1% predicted values [R = .651], SNIP in slouched sitting and FEV1% predicted values [R = .579], and SNIP in upright sitting and SNIP in slouched sitting positions [R = .926] (p<0.05 for all). There were no significant correlations between SNIP scores, demographic variables, and other baseline clinical data (p>0.05). Conclusions. The slouched sitting position had a lower SNIP score compared to upright sitting position suggesting a reduced diaphragm tension and movement as a result of altered body posture.

Impairment of lung volumes and respiratory muscle strength in adult patients with growth hormone deficiency

1995 ◽  
Vol 133 (6) ◽  
pp. 680-685 ◽  
Author(s):  
Bartolomeo Merola ◽  
Matteo Sofia ◽  
Salvatore Longobardi ◽  
Serafino Fazio ◽  
Assunta Micco ◽  
...  
Keyword(s):  
Growth Hormone ◽  
Muscle Strength ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Gh Deficiency ◽  
Adult Patients ◽  
Hormone Deficiency ◽  
Respiratory Muscle Strength ◽  
Lung Volumes ◽  
Lung Capacity

Merola B, Sofia M, Longobardi S, Fazio S, Micco A, Esposito V, Colao A, Biondi B, Lombardi G. Impairment of lung volumes and respiratory muscle strength in adult patients with growth hormone deficiency. Eur J Endocrinol 1995;133:680–5. ISSN 0804–4643 Little is known of the respiratory function in patients with growth hormone (GH) deficiency. The aim of the present study was to evaluate lung volumes and respiratory muscle strength in patients diagnosed as GH deficient in childhood. Ten patients diagnosed as GH deficient in childhood and ten healthy subjects entered the study. For each subject the evaluation of respiratory function followed the same standard approach, consisting of respiratory muscle strength assessment, recording of flowvolume curves, measurement of static lung volumes and lung diffusing capacity. Both maximal inspiratory and expiratory mouth pressures were decreased in GH deficiency. Vital capacity, N2 functional residual capacity and total lung capacity were significantly reduced when compared to healthy subjects. Conversely, the residual volume and diffusing lung capacity to CO did not show any significant change. No significant change of percentage forced expiratory volume in 1 s/forced vital capacity ratio was observed. The decrease of respiratory mouth pressures was not correlated to the decrease of lung volumes. In conclusion, the results of this study show that adult patients affected with childhood onset GH deficiency suffer from impairment of ventilatory function and a decrease of respiratory muscle pressures, probably due to reduction of respiratory muscle strength. Gaetano Lombardi, Via G Santacroce 40/1, 80 129 Naples, Italy

scholarly journals Influence of heat and moisture exchanger use on measurements performed with manovacuometer and respirometer in healthy adults

2015 ◽  
Vol 11 ◽  
Author(s):  
Jeanette Janaina Jaber Lucato ◽  
Thiago Marraccini Nogueira da Cunha ◽  
Sara Solange Oliveira Costa Rocha ◽  
Fernanda Maria Palmieri de Carvalho ◽  
Daniele Cristina Botega ◽  
...  
Keyword(s):  
Muscle Strength ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Pulmonary Infection ◽  
Healthy Adults ◽  
Respiratory Muscle Strength ◽  
Maximal Inspiratory Pressure ◽  
Moisture Exchanger ◽  
Significant Difference ◽  
Heat And Moisture

Background: The use of evaluation tools such as the manovacuometer and respirometer is frequent and disinfection is usually limited to the external surfaces, which is insufficient and raises concerns because of the potential spread of infectious diseases. Hydrophobic heat and moisture exchangers (HME) are used in mechanical ventilation and have microbiological filters, which can possibly reduce contamination, increasing the safety of related procedures. It is unknown, however, if the addition of an exchanger affects the measurements obtained. Aim of this study was to verify if the use of an HME interferes in maximal inspiratory and expiratory pressures assessed using the manovacuometer and vital capacity evaluated using the respirometer in healthy adults. Methods: A controlled transversal trial was carried out. Twenty healthy young adults were included in the study. Vital capacity by respirometer and, maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) were assessed with and without the use of HME. Results: No significant difference was found between the values pre and post HME use in vital capacity measurements: (3878.8 ± 202.2 mL vs. 3925.5 ± 206.0 mL, p = 0.116) and the respiratory muscle strength measurements: MIP (−99.0 ± 8.9 vs −95.5 ± 9.0 cm H2O, p = 0.149) and MEP (92.5 ± 7.5 vs 92.5 ± 7.7 cm H2O, p = 1.0) respectively. Conclusion: We conclude that the use of HME does not modify the lung volumes or respiratory muscle strength, and can be used in order to reduce the occurrence of pulmonary infection.

PULMONARY PHYSIOLOGY IN CHILDREN

PEDIATRICS ◽  
1960 ◽  
Vol 25 (5) ◽  
pp. 766-774
Author(s):  
C. D. Cook ◽  
H. Barrie ◽  
S. A. DeForest ◽  
P. J. Helliesen
Keyword(s):  
Muscle Strength ◽  
Idiopathic Scoliosis ◽  
Muscle Function ◽  
Respiratory Muscle ◽  
Vertebral Column ◽  
Flow Resistance ◽  
Vital Capacity ◽  
Respiratory Muscle Strength ◽  
Lung Volumes ◽  
Pulmonary Physiology

Measurements of lung volumes, compliance and resistance, and effective respiratory muscle strength have been carried out in a series of patients with idiopathic scoliosis, scoliosis secondary to poliomyelitis and scoliosis secondary to abnormalities of the vertebral column. The patients with idiopathic scoliosis showed, in general, moderate reductions in vital capacity, while those with poliomyelitis and associated paralysis showed more marked decreases. Residual volume on the average was essentially unchanged in both groups. Compliance was only moderately but consistently reduced in both groups while flow-resistance was only slightly to moderately increased. In the group of patients with idiopathic scoliosis, effective respiratory muscle strength was normal for given lung volumes but inspiratory strength was subnormal. Serial studies show that after fusion, the patients tended to have a further decrease both in respiratory muscle function and in lung volumes. The frequently serious pulmonary dysfunction accompanying the scoliosis secondary to vertebral abnormalities is illustrated.

Vital capacity, respiratory muscle strength, and pulmonary gas exchange during long-duration exposure to microgravity

2006 ◽  
Vol 101 (2) ◽  
pp. 439-447 ◽  
Author(s):  
G. Kim Prisk ◽  
Janelle M. Fine ◽  
Trevor K. Cooper ◽  
John B. West
Keyword(s):  
Muscle Strength ◽  
Gas Exchange ◽  
Short Duration ◽  
Respiratory Muscle ◽  
Vital Capacity ◽  
Weight Bearing ◽  
Space Station ◽  
Pulmonary Gas Exchange ◽  
Respiratory Muscle Strength ◽  
Extended Exposure

Extended exposure to microgravity (μG) is known to reduce strength in weight-bearing muscles and was also reported to reduce respiratory muscle strength. Short- duration exposure to μG reduces vital capacity (VC), a surrogate measure for respiratory muscle strength, for the first few days, with little change in O2 uptake, ventilation, or end-tidal partial pressures. Accordingly we measured VC, maximum inspiratory and expiratory pressures, and indexes of pulmonary gas exchange in 10 normal subjects (9 men, 1 woman, 39–52 yr) who lived on the International Space Station for 130–196 days in a normoxic, normobaric atmosphere. Subjects were studied four times in the standing and supine postures preflight at sea level at 1 G, approximately monthly in μG, and multiple times postflight. VC in μG was essentially unchanged compared with preflight standing [5.28 ± 0.08 liters (mean ± SE), n = 187; 5.24 ± 0.09, n = 117, respectively; P = 0.03] and considerably greater than that measured supine in 1G (4.96 ± 0.10, n = 114, P < 0.001). There was a trend for VC to decrease after the first 2 mo of μG, but there were no changes postflight. Maximum respiratory pressures in μG were generally intermediate to those standing and supine in 1G, and importantly they showed no decrease with time spent in μG. O2 uptake and CO2 production were reduced (∼12%) in extended μG, but inhomogeneity in the lung was not different compared with short-duration exposure to μG. The results show that VC is essentially unchanged and respiratory muscle strength is maintained during extended exposure to μG, and metabolic rate is reduced.

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