Seated tai chi tested as a way to boost heart health in women with limited mobility

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Self-identify as a woman. * Age 35-64 years. * Mobility impairment lasting at least 1 year. * Regular use of a mobility aid (e.g., wheelchair, scooter, walker, cane, crutches, or other assistive device). * Community dwelling. * Able to demonstrate sufficient upper-extremity mobility to participate in seated Tai Chi/Qigong activities. * Access to a smartphone, tablet, or computer with internet access. * Willing to wear a study-provided wearable device and complete study assessments. * Reside in the United States. * Waist circumference ≥ 33 inches (84 cm). * Perceived Stress Scale (PSS) score ≥ 15. * Insomnia Severity Index (ISI) score ≥ 8. * Emotional eating indicated by a score \< 3 on the Mindful Eating Questionnaire (MEQ) Emotional Response subscale. * Able to understand written and spoken English. * Able to provide informed consent. * Able to provide healthcare provider approval for participation. Exclusion Criteria: * Medical conditions that would make participation unsafe, as determined during screening. * Inability to safely perform seated upper-body movements. * Current participation in a structured Tai Chi, Qigong, or similar meditative movement program. * Pregnancy, lactation, or plans to become pregnant during the study period. * Cognitive, visual, auditory, or other impairments that would preclude completion of study procedures. * Implanted cardiac devices or implanted electronic devices that interfere with physiologic measurements. * Severe arrhythmia, left ventricular assist device (LVAD), or other conditions that interfere with heart rate variability assessment. * Use of sleep medications three or more times per week. * Medical conditions or medications that substantially affect autonomic nervous system activity, sleep, or stress-related outcomes. * Uncontrolled cardiovascular, neurological, psychiatric, or other serious medical conditions that would preclude safe participation.