Prolonged sitting down or inactivity can result in leg swelling. If you sit for very long periods, including over a aircraft or in a desk, blood move slows down, and fluid can accumulate within the legs. This is usually known as “sitting sickness” or “journey-relevant edema.” What to do about https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/