Department of Sports Medicine for Health Promotion;
Tokyo Medical University;
Tokyo;
Japan;
Cardiac Rehabilitation Center;
Tokyo Medical University Hospital;
Tokyo;
Japan;
The Copenhagen Muscle Research Centre;
Rigshospitalet;
University of Copenhagen;
Copenhagen;
Denmark;
The Clinic for Heart Failure and Valvular Disease;
Skane University Hospital;
and Department of Cardiology;
IKVL;
Lund University;
Lund;
Sweden;
Exercising Blood Flow; Doppler Ultrasound; Muscle Contraction; Physiological Flow Variations;