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Change in Sit-and-Reach Distance
Time frame: at baseline, Week 8, and Week 13.
Assessed by the standard sit-and-reach test.
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Change in Active Range of Motion of the Shoulder, Hip, Knee, and Ankle joints assessed by Goniometry
Time frame: at baseline, Week 8, and Week 13.
Measured using a goniometer
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Change in Time Spent in Sedentary Behavior assessed by the International Physical Activity Questionnaire (IPAQ)
Time frame: at baseline and Week 13.
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Scores on the Exercise Benefits/Barriers Scale (EBBS)
Time frame: at baseline and Week 13
The scale consists of two subscales: the Exercise Benefits Subscale (29 items) and the Exercise Barriers Subscale (14 items). The total score ranges from 43 to 172, with a higher score indicating a more positive perception towards exercise.
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Change in Knee Extension Peak Torque assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13.
Maximum torque generated during knee extension
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Change in Knee Extension Total Work assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13.
Total work performed during repeated maximal knee extension contractions.
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Change in Knee Extension Average Power assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13.
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Change in Knee Extension Fatigue Index assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13.
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Change in Knee Flexion Peak Torque assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Maximum torque generated during Knee Flexion measured at a preset angular velocity
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Change in Knee Flexion Total Work assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Total work performed during repeated maximal Knee Flexion contractions
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Change in Knee Flexion Average Power assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Knee Flexion Fatigue Index assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Shoulder Flexion Peak Torque assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Maximum torque generated during Shoulder Flexion, measured at a preset angular velocity.
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Change in Shoulder Flexion Total Work assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Total work performed during repeated maximal Shoulder Flexion contractions
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Change in Shoulder Flexion Average Power assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Shoulder Flexion Fatigue Index assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Shoulder Abduction Peak Torque assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Maximum torque generated during Shoulder Abduction , measured at a preset angular velocity
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Change in Shoulder Abduction Total Work assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Total work performed during repeated maximal Shoulder Abduction contractions
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Change in Shoulder Abduction Average Power assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Shoulder Abduction Fatigue Index assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Elbow Extension Peak Torque assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Maximum torque generated during Elbow Extension, measured at a preset angular velocity
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Change in Elbow Extension Total Work assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Total work performed during repeated maximal Elbow Extension contractions
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Change in Elbow Extension Average Power assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Elbow Extension Fatigue Index assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Elbow Flexion Peak Torque assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Maximum torque generated during Elbow Flexion, measured at a preset angular velocity
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Change in Elbow Flexion Total Work assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
Total work performed during repeated maximal Elbow Flexion contractions
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Change in Elbow Flexion Average Power assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Elbow Flexion Fatigue Index assessed by Isokinetic Dynamometry
Time frame: at baseline, Week 8, and Week 13
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Change in Rhythmic Weight Shift (RWS) Score assessed by Computerized Dynamic Posturography
Time frame: at baseline, Week 8, and Week 13.
Measured using a computerized dynamic posturography system.
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Change in Modified Clinical Test of Sensory Interaction on Balance (mCTSIB) Score assessed by Computerized Dynamic Posturography
Time frame: at baseline, Week 8, and Week 13.
Measured using a computerized dynamic posturography system.
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Change in Sensory Organization Test (SOT) Composite Score assessed by Computerized Dynamic Posturography
Time frame: at baseline, Week 8, and Week 13.
Measured using a computerized dynamic posturography system.
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Change in Motor Control Test (MCT) Latency assessed by Computerized Dynamic Posturography
Time frame: at baseline, Week 8, and Week 13.
Measured using a computerized dynamic posturography system.
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Change in Limits of Stability (LOS) Score assessed by Computerized Dynamic Posturography
Time frame: at baseline, Week 8, and Week 13.
Measured using a computerized dynamic posturography system.
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Change in Muscle Mass assessed by Bioelectrical Impedance Analysis
Time frame: at baseline and Week 13.
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Change in Body Fat Percentage assessed by Bioelectrical Impedance Analysis
Time frame: at baseline and Week 13.
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Change in Fat-Free Mass assessed by Bioelectrical Impedance Analysis
Time frame: at baseline and Week 13.
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Change in Waist-to-Hip Ratio
Time frame: at baseline and Week 13.
Ratio of waist circumference to hip circumference
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Change in Center of Mass Sway Amplitude during Baduanjin Exercise assessed by 3D Motion Capture
Time frame: at baseline and Week 13
Magnitude of anteroposterior and mediolateral displacement of the body's center of mass during static postures of Baduanjin, analyzed using a markerless 3D motion capture system
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Change in Joint Range of Motion during Baduanjin Exercise assessed by 3D Motion Capture
Time frame: at baseline and Week 13
Angular displacement of primary joints during the performance of Baduanjin movements, analyzed using a markerless 3D motion capture system.
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Change in Center of Mass Height during Baduanjin Exercise assessed by 3D Motion Capture
Time frame: at baseline and Week 13
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Change in Integrated Electromyography (iEMG) during Baduanjin Exercise assessed by Surface Electromyography
Time frame: at baseline and Week 13
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Change in Root Mean Square (RMS) Amplitude during Baduanjin Exercise assessed by Surface Electromyography
Time frame: at baseline and Week 13
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Change in Glycemic Control Biomarkers
Time frame: at baseline and Week 13.
Fasting venous blood samples will be analyzed for indicators of glucose metabolism, such as glycated hemoglobin (HbA1c) and fasting insulin.
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Change in Lipid Profile
Time frame: at baseline and Week 13.
Fasting venous blood samples will be analyzed for indicators of lipid metabolism, including total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C).
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Change in Inflammatory and Neurotrophic Biomarkers
Time frame: at baseline and Week 13.
Fasting venous blood samples will be analyzed for inflammatory markers (e.g., high-sensitivity C-reactive protein [hs-CRP], interleukin-6 [IL-6], tumor necrosis factor-alpha [TNF-α]) and brain-derived neurotrophic factor (BDNF).
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Percentage of Prescribed Baduanjin Sessions Completed
Time frame: Through study completion, up to Week 13.
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Baduanjin Movement Quality Score assessed by Blinded Expert Review (100-point scale)
Time frame: at Week 13
Score assessed by blinded experts using a standardized 100-point scoring rubric. Scores range from 0 to 100, with a higher score indicating better movement quality.