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Effects of Respiratory Muscle Training in Obese Women

2019年7月22日 更新者：Eli Maria Pazzianotto Forti、Universidade Metodista de Piracicaba

Effects of Respiratory Muscle Training on Lung Function, Respiratory Muscle Function and Physical Fitness in Obese Women

The objective of this study will be to evaluate the effects of inspiratory muscle training (IMT) on the physical fitness of obese women

It is believed that the application of these exercises helps in the improvement of inspiratory muscle performance, which should improve physical fitness and thus allow a better performance in the activities of daily living.

調査の概要

状態

完了

条件

介入・治療

詳細な説明

This is a clinical trial, in which adult obese volunteers aged 20-59 years will be evaluated, which will be randomized into two groups: training group (GT) and control group (CG). Both groups should meet the following inclusion criteria: Age between 20 and 59 years, BMI> 35 and <55 kg / m², with clinical stability, able to perform the physical tests and acceptance to participate in the study. Women with reports of decompensated heart disease, chronic obstructive pulmonary disease and asthma will be excluded; musculoskeletal and / or neuromuscular changes, which make it impossible to perform the tests. The evaluations will occur in two days with at least 48 hours of interval between them, within a period of seven days, before and after the respiratory muscle training of four weeks. In addition to anamnesis, the initial evaluation will include assessment of pulmonary function (SLF, forced vital capacity (FVC) and maximal voluntary ventilation (VVM)) by spirometry; respiratory muscle evaluation through the measures of Maximum Inspiratory Pressure (PIMax) and maximal sustained inspiratory pressure (PIMaxS); physical fitness assessment through the 6-minute step test (TD6), incremental shuttle walking test (ISWT) and Sentar e Levantar (SL) test, as well as assessment of dyspnea. For the TMI will be used equipment with pressure threshold pressure. During the 4-week period, the IMT will be performed 5 days a week and will consist of 2 series with 30 inspirations. Inspirations will be performed slowly and protracted. The training load will be 55% of the PIMáx readjusted weekly. Statistical analysis will be performed using BioEstat version 5.3. To evaluate the normality of distribution of the data will be used Shapiro-Wilk test. For the comparison of all variables studied, the Student's t-test or the Mann-Wittney test will be used. Pre- and post-training parametric results will also be compared statistically using variance analyzes of two variables (group × time) (ANOVA). Bonferroni tests will be used to examine differences between groups when indicated by ANOVA. The significance level of 5% will be adopted for all analyzes (P <0.05) where the data will be expressed as mean and standard deviation.

研究の種類

介入

入学 (実際)

30

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

  • ブラジル
    • São Paulo
      • Piracicaba、São Paulo、ブラジル、13400911
        • Universidade Metodista de Piracicaba (UNIMEP)

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

20年～59年 (大人)

健康ボランティアの受け入れ

はい

受講資格のある性別

女性

説明

Inclusion Criteria:

  • BMI> 35 and <55 kg / m²
  • with clinical stability
  • suitable for physical tests
  • acceptance to participate in the study

Exclusion Criteria:

  • women with reports of decompensated heart disease
  • chronic obstructive pulmonary disease and asthma
  • musculoskeletal and / or neuromuscular changes,
  • which make it impossible to perform the tests.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：処理
  • 割り当て：非ランダム化
  • 介入モデル：階乗代入
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
介入なし：コントロール
このグループは介入を受けません
実験的：Inspiratory Muscle Training
This group, for inspiratory muscle training, will use the Powerbreathe® K5 device. This device will be adjusted with a load of 55% of previously assessed MIP. The volunteer will be instructed to inhale with sufficient force to overcome the resistance of the equipment and subsequently perform a normal expiration. During the 4-week period of respiratory muscle training volunteers will be instructed to perform 2 sets with 30 inspiratory efforts, 5 days a week. The training load will be readjusted on the first day of training each week, after a new reassessment of the PIMax in order to guarantee the overload during inspiratory muscle training.
手順：Inspiratory muscle training
Powerbreathe® K5

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
EVALUATION OF LUNG VOLUMES AND CAPACITIES
時間枠：before and after the intervention, for 2 days with a 72-hour interval
Spirometry will be out according to the guidelines of the American Thoracic Society (ATS) and European Respiratory Society (ERS) (2005). The values extracted will be selected according to Pereira (2002), and the predicted values calculated using the equation proposed by Pereira et al. (1992) for Brazilians.
before and after the intervention, for 2 days with a 72-hour interval

二次結果の測定

結果測定
メジャーの説明
時間枠
EVALUATION OF PHYSICAL ACTIVITY LEVEL
時間枠：before and after the intervention, for 2 days with a 72-hour interval
Volunteers will respond to the International Physical Activity Questionnaire, which is an instrument that allows estimating the weekly time spent in physical activity. The final classification given by the International Physical Activity Questionnaire occurs in five levels of physical activity: Very Active, Active, Irregularly active and Sedentary.
before and after the intervention, for 2 days with a 72-hour interval
6-MINUTE DEGREE TEST (TD6)
時間枠：before and after the intervention, for 2 days with a 72-hour interval
The TD6 will be used for the evaluation of cardiorespiratory fitness by calculating the maximum oxygen consumption (VO2 max) in an indirect way and the functional capacity of the volunteers. The TD6 outcome will be the number of volunteer climbs on the rung (PESSOA et al., 2015). The values reached in the number and the rhythm of ascents in the step will express the functional capacity.
before and after the intervention, for 2 days with a 72-hour interval
INCREMENTAL SHUTTLE WALKING TEST (ISWT)
時間枠：before and after the intervention, for 2 days with a 72-hour interval
The ISWT will be used to determine the functional capacity of the volunteers by the distance traveled during the test. It is a walking test, with progressive loading, given by the increase in walking speed required to overcome each stage of the test. The ISWT will be controlled by specific software, which determines the speed and pace of each stage of the test. This test will be carried out in a corridor in which 10 meters in length, delimited by cones, at each end, will be demarcated by volunteers, obeying each sound signal programmed by Sing et al. (1992). The test will be terminated at the signal of inability to continue or non-accompaniment of speeds by the volunteer.
before and after the intervention, for 2 days with a 72-hour interval
TEST TO SIT AND LIFT
時間枠：before and after the intervention, for 2 days with a 72-hour interval
This test will be used to determine the indirect force in the lower limbs. To perform this test, a chair with a height of 40 cm will be used, with backrest, in which the volunteer will begin the test in the sitting position, in the middle of the seat, with the spine erect, feet resting on the floor and the arms crossed against the thorax. At the investigator's signal, the volunteer should stand up, stand fully up, and then return to the seated position. Volunteers will be encouraged to sit and stand up as often as possible in 30 seconds. The result will be determined by counting the number of times the volunteer correctly performed the movements of sitting and lifting of the chair without the aid of the movement of the upper limbs
before and after the intervention, for 2 days with a 72-hour interval
EVALUATION OF INSPIRATORY MUSCLE STRENGTH
時間枠：before and after the intervention, for 2 days with a 72-hour interval
The Maximum Inspiratory Pressure (PIMax) and Maximum Expiratory Pressure (PEMax) measurements will be performed. The measures of the MIP will aim beyond the evaluation of the strength of the respiratory muscles, establish the initial load of the resistance test of the respiratory muscles as well as the training load. The measurements of PImax and PEmax, will be evaluated through an analog manovacuometer. Each participant should perform three to five maximum inspiratory and reproducible inspiratory efforts provided there has been a maximum difference of 10% between them being the highest value considered for statistical analysis. The time interval between consecutive measurements was 1 minute.
before and after the intervention, for 2 days with a 72-hour interval

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Universidade Metodista de Piracicaba

捜査官

  • 主任研究者：Eli M Pazzianoto-Forti, Phd、Universidade Metodista de Piracicaba

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2018年12月15日

一次修了 (実際)

2019年5月21日

研究の完了 (実際)

2019年6月8日

試験登録日

最初に提出

2018年10月17日

QC基準を満たした最初の提出物

2018年12月5日

最初の投稿 (実際)

2018年12月6日

学習記録の更新

投稿された最後の更新 (実際)

2019年7月24日

QC基準を満たした最後の更新が送信されました

2019年7月22日

最終確認日

2019年7月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • Tamires2018

個々の参加者データ (IPD) の計画

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いいえ

医薬品およびデバイス情報、研究文書

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