Objective The present study aimed to assess the muscle kinetics of oxyhemoglobin (oxy-
[Hb/Mb]) and deoxyhemoglobin (deoxy-[Hb/Mb]) and the key clinical factors that may impact …

Introduction: Several mechanistic hypotheses for exercise limitations in post-acute sequelae
of COVID-19 (PASC) have been formulated. Likewise, obesity is a risk factor for the …

Introduction Pulmonary involvement is prevalent in patients with coronavirus disease 2019
(COVID-19). Arterial hypoxemia may reduce oxygen transferred to the skeletal muscles …

Background & aims Long COVID syndrome (LCS) involves persistent symptoms
experienced by many patients after recovering from coronavirus disease 2019 (COVID-19) …

The impact of COVID-19 has been largely described after symptom development. Although
the SARS-CoV-2 virus elevates heart rate (HR) prior to symptom onset, whether this virus …

Objective COVID-19 affects cardiorespiratory and muscular systems, causing dysfunctions
that may persist after recovery from the acute infection and treatment. The aim of this study …

Survivors from COVID-19 pneumonia can present with persisting multisystem involvement
(lung, pulmonary vessels, heart, muscle, red blood cells) that may negatively affect exercise …

Purpose Symptoms often persistent for more than 4 weeks after COVID-19—now commonly
referred to as 'Long COVID'. Independent of initial disease severity or pathological …

Rationale: Patients with Post-Acute Sequelae of COVID-19 (PASC) often experience
exercise intolerance and post-exertional malaise, even after mild acute infection. We …

Background There is limited information about the impact of coronavirus disease (COVID‐
19) on the muscular dysfunction, despite the generalized weakness and fatigue that patients …