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Related Concept Videos

Exercise and Cardiac Output01:17

Exercise and Cardiac Output

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Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
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Exercise and Cardiovascular Response01:20

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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
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Related Experiment Video

Updated: Jan 18, 2026

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit
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Physical Activity and Physical Function One Year After Hospital Discharge for COVID-19.

Eva Arents1, Fien Hermans1,2, Lies Glorie2

  • 1Department of Rehabilitation Sciences, Ghent University, 9000 Ghent, Belgium.

Journal of Clinical Medicine
|September 13, 2025
PubMed
Summary

One year after hospitalization for COVID-19, patients showed reduced physical activity (PA) compared to healthy individuals. Intensive care unit (ICU) admission did not impact long-term physical function or activity levels post-discharge.

Keywords:
COVID-19activities of daily livinghealth statushospitalizationintensive care units

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Area of Science:

  • Medical rehabilitation
  • Pulmonology
  • Infectious diseases

Background:

  • COVID-19 survivors often experience persistent symptoms and functional limitations post-hospitalization.
  • Long-term effects of COVID-19 on objectively measured physical activity (PA) remain unclear.
  • Understanding post-COVID-19 recovery is crucial for developing effective rehabilitation strategies.

Purpose of the Study:

  • To compare objectively measured PA and physical function 12 months post-discharge in COVID-19 patients versus healthy controls.
  • To investigate the impact of intensive care unit (ICU) admission on long-term outcomes in COVID-19 patients.
  • To assess associations between PA and physical function in COVID-19 survivors.

Main Methods:

  • Prospective cohort study involving 101 COVID-19 patients and 36 healthy controls.
  • Objective assessment of PA using accelerometry over 12 months post-discharge.
  • Evaluation of lung function, physical function (6-minute walk distance, muscle strength), symptoms, and quality of life.

Main Results:

  • COVID-19 patients exhibited significantly lower daily step counts and movement intensity compared to healthy controls.
  • No significant differences in PA levels, physical function, symptoms, or quality of life were observed between patients with and without ICU admission.
  • A weak positive association was found between daily step count and 6-minute walk distance in patients.

Conclusions:

  • One year after hospital discharge, COVID-19 patients demonstrate reduced objectively measured physical activity levels compared to healthy individuals.
  • Intensive care unit admission does not appear to influence long-term physical function, symptom burden, quality of life, or activity levels in COVID-19 survivors.
  • These findings highlight the need for continued monitoring and support for physical activity in COVID-19 recovery.