* unable to undertake necessary physical activity for the study unable to remain seated for 120 minutes at a time unstable cardiovascular conditions * people with diabetes * people with dementia * recent (previous 6 months) moderate to severe injury of the lower extremities * no positive covid test or signs and symptoms within 6 weeks for healthy control * no positive covid test within 4 weeks for long covid group

* unable to undertake necessary physical activity for the study unable to remain seated for 120 minutes at a time unstable cardiovascular conditions * people with diabetes * people with dementia * recent (previous 6 months) moderate to severe injury of the lower extremities * no positive covid test or signs and symptoms within 6 weeks for healthy control * no positive covid test within 4 weeks for long covid group

unable to undertake necessary physical activity for the study unable to remain seated for 120 minutes at a time unstable cardiovascular conditions people with diabetes people with dementia recent (previous 6 months) moderate to severe injury of the lower extremities no positive covid test or signs and symptoms within 6 weeks for healthy control no positive covid test within 4 weeks for long covid group

unable to undertake necessary physical activity for the study unable to remain seated for 120 minutes at a time unstable cardiovascular conditions people with diabetes people with dementia recent (previous 6 months) moderate to severe injury of the lower extremities no positive covid test or signs and symptoms within 6 weeks for healthy control no positive covid test within 4 weeks for long covid group