How Sitting for Hours Affects Your Legs

On long journeys by plane, bus or car, many passengers know the unpleasant feeling of heavy, tired legs. Sitting still in a cramped position for hours makes it harder for the veins to pump blood back from the feet to the heart against gravity. The result is a dull ache, swelling and a sensation of weight that lingers well after the trip.

Compression stockings counteract this by applying gentle external pressure to the tissue. That pressure supports the upward flow of blood and reduces the pooling that causes discomfort. According to Dr. Katja Mühlberg, a vascular medicine specialist at Leipzig University Hospital, even people with no underlying condition can benefit from a simple over‑the‑counter support stocking on a cross‑continent flight or an overnight coach journey.

Dr. Mühlberg on Medical vs. Over‑the‑Counter Stockings

Who should wear medical compression stockings

Mühlberg explains that medical compression stockings are not an everyday comfort item – they are prescribed by a doctor when there is a diagnosed condition. People with varicose veins who already experience swollen legs in daily life should wear them on long trips. The same applies to patients who have had a thrombosis and still suffer from persistent swelling, as well as pregnant women. Those with lymphoedema – where lymph fluid accumulates in the legs rather than a vein problem – also fall into the group that needs a medically defined level of compression.

Unlike drugstore support stockings, medical compression stockings deliver a precisely defined pressure, with different compression classes determined by a physician based on the individual diagnosis.

Over‑the‑counter stockings for everyday comfort

For travellers without any medical condition, freely available support stockings made of highly elastic material are a sensible choice. They exert a mild, even pressure that can prevent the feeling of heavy, tired legs not only during long‑distance travel but also during long periods of standing. Mühlberg emphasises that anyone who tends to get swollen legs in daily life – even without a diagnosed illness – can use these stockings purely for extra comfort on a flight.

Before You Board: A Practical Checklist

  • If you have varicose veins, a history of thrombosis, are pregnant, or have been diagnosed with lymphoedema, consult your doctor before travelling and obtain medical compression stockings with the correct pressure class.
  • If you generally experience heavy or swollen legs after sitting or standing for long periods but have no medical diagnosis, purchase over‑the‑counter support stockings from a pharmacy or drugstore.
  • Put the stockings on before you board the plane or bus – once the swelling starts, they are less effective.
  • During the journey, stay hydrated, avoid crossing your legs, and get up or flex your ankles and calves regularly to assist natural circulation.