The calf-muscle pump:
physiology and exercise
Five clinical questions connect calf-pump physiology with the benefits, practical components and assessment of structured exercise rehabilitation.
Preparing your clinical challenge…
Recent questions. Carefully qualified answers.
Abbreviations used in this edition
CVD: chronic venous disease · CVI: chronic venous insufficiency · CEAP: Clinical-Etiology-Anatomy-Pathophysiology · APG: air plethysmography · EF: ejection fraction · RVF: residual volume fraction · VFI: venous filling index · rVCSS: revised Venous Clinical Severity Score · CIVIQ-20: Chronic Venous Disease Quality of Life Questionnaire · RCT: randomized controlled trial · ESVS: European Society for Vascular Surgery.
Evidence checked 12 October 2026. Recent-evidence window: 12 October 2025–12 October 2026; older sources are clearly labeled. Original, AI-assisted educational cases; not independently reviewed by a clinician. Apply current guidance and individual clinical assessment. This edition provides no accredited CME credit. Quiz answers remain in this browser. Submitted names and comments are stored on the website and displayed publicly beneath the relevant question.