Reliability and Validity of Physical Performance Tests in Individuals With Obesity
Clinician-Friendly Physical Performance Tests in Individuals With Obesity: Reliability and Validity
This study aims to investigate the reliability and validity of practical performance-based physical function tests in individuals with obesity. Functional limitations such as reduced walking ability, impaired balance, and decreased lower extremity strength are common in people with obesity and may negatively affect daily activities and quality of life.
Participants will complete several commonly used clinical functional tests, including the 1-Minute Stair Climbing Test, 40-Meter Fast-Paced Walk Test, 2-Minute Walk Test, Timed Up and Go Test, and 30-Second Sit-to-Stand Test. In addition, cardiopulmonary exercise testing, balance assessment, and knee extensor muscle strength measurements will be performed.
The study will evaluate whether these simple and clinically applicable tests provide reliable results over repeated measurements and whether they are associated with objective indicators of physical function such as maximal oxygen consumption (VO₂max), balance performance, and muscle strength. The findings may help clinicians use practical and cost-effective tools to assess physical function in individuals with obesity.
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Tipo de estudio
Inscripción (Estimado)
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
- Adulto
- Adulto Mayor
Acepta Voluntarios Saludables
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- Body mass index (BMI) ≥ 30 kg/m²
- Stable body weight during the last 3 months (less than ±2 kg change)
- Ability to perform daily living activities independently
Exclusion Criteria:
- History of cardiovascular disease
- History of pulmonary disease
- History of neurological disease
- Musculoskeletal injury affecting lower extremity function
- Presence of lower extremity prosthesis or severe deformity
- Major surgery within the previous 6 months
- Pregnancy
- Postpartum period
- Vestibular disorders affecting balance
- Visual impairments affecting test performance
- Hearing impairments affecting test performance
- Cognitive impairment limiting understanding of instructions
- Participation in strenuous physical activity before testing
- Use of medications affecting cardiopulmonary responses (e.g., beta-blockers)
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
1-Minute Stair Climbing Test
Periodo de tiempo: 1 hour
|
A performance-based functional test used to assess stair climbing ability and lower extremity functional capacity.
The total number of completed stair cycles within 1 minute will be recorded.
|
1 hour
|
|
40-Meter Fast-Paced Walk Test
Periodo de tiempo: 1 hour
|
A walking performance test used to evaluate fast-paced gait speed and functional mobility.
The time required to complete a total walking distance of 40 meters will be measured in seconds.
|
1 hour
|
|
2-Minute Walk Test
Periodo de tiempo: 1 hour
|
A functional endurance test used to assess ambulatory capacity.
The total walking distance completed within 2 minutes will be recorded in meters.
|
1 hour
|
|
Timed Up and Go Test
Periodo de tiempo: 1 hour
|
A functional mobility test used to assess dynamic balance and independent mobility.
The time required to stand up from a chair, walk 3 meters, return, and sit down will be measured in seconds.
|
1 hour
|
|
30-Second Sit-to-Stand Test
Periodo de tiempo: 1 hour
|
A lower extremity functional strength and endurance test.
The total number of sit-to-stand repetitions completed within 30 seconds will be recorded.
|
1 hour
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Cardiopulmonary Exercise Testing (VO₂max)
Periodo de tiempo: 1 hour
|
A maximal exercise test performed using the Modified Bruce Protocol on a treadmill to assess aerobic exercise capacity.
Maximal oxygen consumption (VO₂max) values will be recorded.
|
1 hour
|
|
Static Balance Assessment
Periodo de tiempo: 1 hour
|
Balance performance will be evaluated using the PROKIN® computerized balance assessment system.
Parameters related to postural stability and body sway during static tasks will be recorded
|
1 hour
|
|
Knee Extensor Muscle Strength
Periodo de tiempo: 1 hour
|
Isometric knee extensor muscle strength will be measured using a hand-held dynamometer.
Maximum voluntary contraction force will be recorded.
|
1 hour
|
|
Dynamic Balance Assessment
Periodo de tiempo: 1 hour
|
Description: Balance performance will be evaluated using the PROKIN® computerized balance assessment system.
Parameters related to postural stability and body sway during static and dynamic tasks will be recorded
|
1 hour
|
Colaboradores e Investigadores
Patrocinador
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Estimado)
Finalización primaria (Estimado)
Finalización del estudio (Estimado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 21
Información sobre medicamentos y dispositivos, documentos del estudio
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