Investigation of the Acute Effects of Traditional and Functional IMT on Muscle Oxygenation in COPD

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-11-11

Study Completion Date

2025-12-31

Brief Summary

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This study aims to compare the effects of functional and conventional inspiratory muscle training (IMT) on post-exercise muscle deoxygenation in individuals with Chronic Obstructive Pulmonary Disease (COPD). Participants will complete both training modalities on separate days. A 2-minute walk test (2MWT) will be performed baseline, and after each session. Muscle oxygenation (SmO₂) will be assessed using near-infrared spectroscopy . Dyspnea and fatigue will be evaluated with the Modified Borg Scale, and heart rate and oxygen saturation (SpO₂) will be measured by pulse oximetry. Measurements will be recorded before, after training and at the end of the walking test.

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Detailed Description

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Conditions

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Chronic Obstructive Pulmonary Disease (COPD)

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

This study uses a crossover design with a single participant group, in which all participants receive both exercise interventions. Each participant will undergo one baseline assessment prior to any intervention. On separate days, participants will complete two different inspiratory muscle training (IMT) interventions: conventional IMT and functional IMT. A standardized outcome assessment is performed immediately after each intervention session, resulting in a total of three measurement time points (pre-intervention, post-conventional IMT, and post-functional IMT). Outcomes obtained at these three time points will be compared to determine the acute effects and relative impact of each training modality.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Chronic Obstructive Pulmonary Disease

Group Type EXPERIMENTAL

Traditional inspiratory muscle training

Intervention Type OTHER

Traditional inspiratory muscle training is a form of training performed using a resistive breathing device that provides resistance to the muscles involved in inspiration. Inspiratory muscle training will be performed using a portable pressure-threshold device (POWERbreathe Classic IMT - Light Resistance). IMT will be administered in a seated position with upper extremities supported and the upper chest/shoulders relaxed. The training procedure will be explained to each participant and performed for 15 minutes at 40% of the maximal inspiratory pressure (MIP).

Functional inspiratory muscle training (IMT)

Intervention Type OTHER

Functional inspiratory muscle training (IMT) is defined as inspiratory muscle training performed while maintaining core stabilization and postural control. Functional IMT consists of a warm-up period, core exercises, dynamic trunk activation combined with upper extremity movements, postural control exercises, and a cool-down period. The participant performs these exercises simultaneously with inspiratory muscle training.

Interventions

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Traditional inspiratory muscle training

Traditional inspiratory muscle training is a form of training performed using a resistive breathing device that provides resistance to the muscles involved in inspiration. Inspiratory muscle training will be performed using a portable pressure-threshold device (POWERbreathe Classic IMT - Light Resistance). IMT will be administered in a seated position with upper extremities supported and the upper chest/shoulders relaxed. The training procedure will be explained to each participant and performed for 15 minutes at 40% of the maximal inspiratory pressure (MIP).

Intervention Type OTHER

Functional inspiratory muscle training (IMT)

Functional inspiratory muscle training (IMT) is defined as inspiratory muscle training performed while maintaining core stabilization and postural control. Functional IMT consists of a warm-up period, core exercises, dynamic trunk activation combined with upper extremity movements, postural control exercises, and a cool-down period. The participant performs these exercises simultaneously with inspiratory muscle training.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Being 18 years of age or older,
* Having a diagnosis of COPD,
* Being in stage II-III according to the GOLD classification,
* Being able to mobilize independently.

Exclusion Criteria

* Having a recent exacerbation or complication requiring hospitalization,
* Having had a respiratory tract infection within the past month,
* Having any disease or medical condition that prevents participation in exercise, -Having cognitive impairment (a score of \<24 on the Mini-Mental Test).

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No