Sedentary lifestyle and low cardiorespiratory fitness among male adolescents aged 15 to 17 years. The study focuses on reduced aerobic capacity associated with physical inactivity, prolonged sitting time, excessive screen exposure, and insufficient physical activity. These conditions are recognized risk factors for future cardiometabolic disorders, reduced exercise tolerance, and poor physical fitness. The intervention aims to improve cardiorespiratory fitness and prevent health consequences rel
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Male students aged 15 to 17 years 2. Identified as sedentary according to the Indonesian version of the International Physical Activity Questionnaire 3. Classified in the low physical activity category with total physical activity below 600 MET minutes per week 4. Reported more than three hours per day of non school related sedentary behavior such as screen viewing, video gaming, smartphone use, or prolonged sitting 5. Enrolled as an active student at the participating high school during the study period 6. Able to understand study procedures and follow exercise instructions 7. Provided written assent to participate in the study 8. Parent or legal guardian provided written informed consent prior to enrollment
Exclusion criteria
Exclusion criteria: 1. History of musculoskeletal disorders that could affect exercise participation or physiological responses to training 2. History of neurological disorders that could affect exercise participation or physiological responses to training 3. History of cardiovascular disorders that could affect exercise participation or physiological responses to training 4. History of pulmonary disorders that could affect exercise participation or physiological responses to training 5. History of metabolic disorders that could affect exercise participation or physiological responses to training 6. Any condition that prevented safe participation in the exercise program or outcome assessments
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Predicted cardiorespiratory fitness measured by maximal oxygen uptake 8 week intervention period Chester Step Test | — |
Secondary
| Measure | Time frame |
|---|---|
| Predicted cardiorespiratory fitness measured by maximal oxygen uptake 8 week intervention period Chester Step Test | — |
Countries
Indonesia
Contacts
Department of Physical Medicine and Rehabilitation, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia