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- This study is a cross-sectional study aiming to investigate the differences in balance ability between individuals with forward head posture (FHP) and those with normal head posture (NHP), as well as the differences in frontal lobe oxygenation levels during a balance-cognitive dual task.
Study participants will be assigned to receive two groups: (a) Forward head posture (b) Normal head posture. Each group will perform three balance tasks while simultaneously completing three cognitive tasks. To determine the differences, the primary outcome will assess prefrontal cortex (PFC) hemodynamic response, and the secondary outcome will assess balance ability.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Forward head posture group | The experiment will be conducted for approximately 30 minutes. It will comprise cognitive tasks with three levels of difficulty and balance tasks, with task difficulty adjusted according to each participant's cognitive and balance abilities. During the experiment, changes in cerebral blood flow, cognitive performance, and balance ability will be assessed and analyzed. |
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| Normal head posture group | The experiment will be conducted for approximately 30 minutes. It will comprise cognitive tasks with three levels of difficulty and balance tasks, with task difficulty adjusted according to each participant's cognitive and balance abilities. During the experiment, changes in cerebral blood flow, cognitive performance, and balance ability will be assessed and analyzed. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Cognitive-Balance dual task | Behavioral | The cognitive-balance dual task consists of three levels of difficulty and is performed simultaneously. The cognitive tasks include the N-back test, while the balance tasks consist of static balance tasks. |
| Measure | Description | Time Frame |
|---|---|---|
| The degree of hemodynamic response in the prefrontal cortex (PFC) | Hemodynamic response changes in the prefrontal cortex (PFC) will be assessed by measuring variations in oxyhemoglobin (HbO) concentration using functional near-infrared spectroscopy (fNIRS). The study will compare HbO concentration changes between the control and experimental groups during cognitive-balance task performance. | From enrollment to 2 days |
| Measure | Description | Time Frame |
|---|---|---|
| Balance performance | Static and dynamic balance performance will be assessed using the Good Balance system (Metitur, Finland). The assessment will be conducted on a triangular platform by measuring changes in the center of pressure (COP), regardless of foot position. The results will be reported as variations in COP displacement and velocity. Dynamic balance performance will be assessed using the Four Square Step Test (FSST). Participants will step in four quadrants formed by rods or tape arranged in a cross pattern. The time taken to complete the FSST will be recorded in seconds. |
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Inclusion Criteria:
Exclusion Criteria:
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Participants will be recruited from Samyook University(Seoul, South Korea) or local communities in Daegu or Seoul, South Korea. Recruitment will primarily target individuals who regularly engage in academic or sedentary activities. The study population will consist of individuals classified based on postural characteristics, specifically Forward Head Posture (FHP) or Normal Head Posture (NHP), assessed using craniovertebral angle (CVA) measurements. Recruitment will take place through campus advertisements, online postings, and word-of-mouth referrals.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sahmyook university | Seoul | 노원구 | 01759 | South Korea |
all collected IPD
Beginning 3 months and ending 3 years after the publication of results
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| From enrollment to 2 days |