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| Name | Class |
|---|---|
| Chinese University of Hong Kong | OTHER |
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The aims of this pilot study are to determine the metabolic demand and exercise intensity level of E-Fit exercise intervention by evaluating the cardiovascular responses in AIS girls and whether the cardiovascular responses for AIS girls performing E-Fit will behave in the same way as compared to healthy controls. We hypothesise that 1) the metabolic demand and exercise intensity of E-Fit exercise intervention is equivalent to moderate-to-vigorous level; and 2) AIS girls have different cardiovascular responses as compared to healthy controls
AIS girls and age- and gender-matched healthy controls will perform the E-Fit exercise intervention for two trials and gas exchange parameters including oxygen consumption (VO2) and carbon dioxide production (VCO2) will be taken continuously during the exercise. Comparison of VO2 and VCO2 between AIS and healthy controls when performing E-Fit exercise will be made.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| AIS girls | Experimental | Girls between the ages of 10-16 will be recruited if they have a diagnosis of AIS. |
|
| Healthy Controls | Active Comparator | Healthy adolescent girls matched in age and puberty maturity without spinal deformity |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Exercise | Behavioral | Two trials of 7-min High Intensity Interval Training (HIIT) with 12 different exercises. Each exercise lasts for 30 seconds continuously with 10 seconds rest interval. |
| Measure | Description | Time Frame |
|---|---|---|
| Respiratory gas measurement | Breath-by-breath measurement of cardiorespiratory and gas exchange parameters to analyse oxygen consumption (VO2 in ml/min) and carbon dioxide production (VCO2 in ml/min). | Day 1 |
| Blood Pressure | Blood pressure (mmHg) will be measured using an electronic sphygmomanometer. | Day 1 |
| Heart rate | Heart rate (bpm) will be measured using a fingertip oximeter. | Day 1 |
| Oximetry | Peripheral capillary oxygen saturation (%) will be measured using a fingertip oximeter. | Day 1 |
| Measure | Description | Time Frame |
|---|---|---|
| Maturity assessment | Sexual maturity using Tanner Scale and onset of menarche will be measured. | Day 1 |
| Modified Baecke Questionnaire | Habitual physical activity level will be assessed by self-administered questionnaire. |
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Inclusion Criteria:
Exclusion Criteria:
Female
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| Name | Affiliation | Role |
|---|---|---|
| Rufina Lau, MSc | Tung Wah College | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tung Wah College | Hong Kong | Hong Kong |
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| ID | Term |
|---|---|
| D015444 | Exercise |
| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |
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| Day 1 |
| Physical Activity Rating Questionnaire for Children and Youth (PARCY) | Physical activity level and intensity will be assessed by self-administered questionnaire. | Day 1 |
| Body height | Body height (cm) will be measured with standard stadiometry techniques. | Day 1 |
| Sitting height | Sitting height (cm) will be measured with standard stadiometry techniques. | Day 1 |
| Arm Span | Arm span (cm) will be measured with standard stadiometry techniques. | Day 1 |
| Body Composition | Percentage body fat (%), body weight (kg), lean muscle mass (kg) will be assessed using Bioelectric Impedance Analysis. | Day 1 |