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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 (SmOâ‚‚) will be assessed using near-infrared spectroscopy . Dyspnea and fatigue will be evaluated with the Modified Borg Scale, and heart rate and oxygen saturation (SpOâ‚‚) 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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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Chronic Obstructive Pulmonary Disease | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Traditional inspiratory muscle training | 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). |
| Measure | Description | Time Frame |
|---|---|---|
| Muscle oxygenation levels (SmOâ‚‚) | Muscle oxygenation (SmOâ‚‚) will be assessed using near-infrared spectroscopy . | 1. day - baseline measurement-before and after 2MWT , 1. day- before and after IMT and after 2MWT 2. day- before and after FIMT and after 2MWT |
| Measure | Description | Time Frame |
|---|---|---|
| Fatigue | Fatigue will be assessed before and after the walking test using the Borg scale. The scale is scored from 0 to 10, with 0 being no fatigue and 10 being extreme fatigue. | 1. day - baseline measurement-before and after 2MWT , 1. day- before and after IMT and after 2MWT 2. day- before and after FIMT and after 2MWT |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Gulhane Faculty of Physiotherapy and Rehabilitation | Ankara | Keçiören | 06018 | Turkey (Türkiye) |
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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.
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|
| Functional inspiratory muscle training (IMT) | 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. |
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| Dyspnea |
Dyspnea severity will be assessed using the Modified Borg Scale. It consists of ten items that describe the severity of dyspnea according to degree. The scale is scored from 0 (no shortness of breath) to 10 (very severe). |
| 1. day - baseline measurement-before and after 2MWT , 1. day- before and after IMT and after 2MWT 2. day- before and after FIMT and after 2MWT |
| Heart rate | Heart rate value will be measured with a pulse oximeter. | 1. day - baseline measurement-before and after 2MWT , 1. day- before and after IMT and after 2MWT 2. day- before and after FIMT and after 2MWT |
| Saturation (SPO2) | Saturation values will be measured with a pulse oximeter. | 1. day - baseline measurement-before and after 2MWT , 1. day- before and after IMT and after 2MWT 2. day- before and after FIMT and after 2MWT |
| hemoglobin | The hemoglobin value of muscle tissue will be measured using the near infrared spectroscopy (NIRS) method. | 1. day - baseline measurement-before and after 2MWT , 1. day- before and after IMT and after 2MWT 2. day- before and after FIMT and after 2MWT |
| ID | Term |
|---|---|
| D029424 | Pulmonary Disease, Chronic Obstructive |
| ID | Term |
|---|---|
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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