Effect of the Home-based Digital-assisted Dyadic Tai Chi (HDTC) Training Program Among Sedentary Individuals With HF and Their Caregivers: a Randomized Controlled Trial

Who May Qualify: - CHF individuals: - aged 18 to 75 years - diagnosed with CHF, regardless of the HF phenotype (HFrEF, HFmrEF, and HFpEF) - categorized as NYHA class I, II or III - 6MWD \>150 meters (mild to moderate HF) - stable phase of disease in the past four weeks and capable of independently practice Tai Chi without any musculoskeletal disorders that may impede joint movement - sit more than 8 h/d in the past month - own a smartphone - volunteer to participate and provide willing to sign a consent form. - caregivers: - age ≥18 years old - primary caregiver at home, who has emotional ties or social obligations with CHF individuals and provides daily care - able to exercise Tai Chi without help - volunteer to participate and provide willing to sign a consent form. Who Should NOT Join This Trial: - HF individuals: - plan to undergo surgery within the next 6 months - have severe comorbidities, such as cancer, liver or kidney failure, or diagnosed psychiatric disorders - plan to be admitted to a nursing home or other care facilities - regularly practice Tai Chi or engaging in other forms of exercise in the past 3 months (at least 3 times per week, at least 20 minutes of regular exercise each time) - currently participate in similar or related studies. - caregivers: · formal caregivers, such as nurses, will be excluded. Always talk to your doctor about whether this trial is right for you.