“…Barriers to CR participation and adherence are numerous and can include the following: lack of local CR programs, lack of referral and enrollment, transportation, physical limitations, competing demands, comorbidities, living alone, fear of exercise, and cost, among others. [8][9][10][11][12][13][14] The most vulnerable populations that are underrepresented in CR programs include older adults, women, ethnic minorities, veterans, and individuals with low socioeconomic status representing many social determinants of health (SDOH). 6,8,10,13,[15][16][17] Importantly, the current pandemic has posed a significant barrier to CR participation as many of the already limited number of center-based CR programs in the US have suspended or reduced services to limit contagion.…”