Do you ever feel like you need a vacation from your vacation? We hear it all the time: “I don’t know why I feel like this when I travel. I never used to!” The good news is that what you’re experiencing is common, and it doesn’t have to be the new normal. The stiffness, knee or back discomfort, and fatigue that often follow travel are normal physiological responses, not just an unavoidable part of getting older. What happens in the body during travel and how we recover afterward is important, so let’s talk about why.

Reduced Joint Lubrication During Prolonged Sitting

Long car rides, flights, airport delays, and other hours of limited movement all mean your muscles are contracting much less than normal. This matters because the cartilage and other connective tissues in your joints do not have a direct blood supply. They rely heavily on movement and the surrounding muscles to help circulate synovial fluid through the joints. When you sit for long periods, your muscles aren’t working as much, joint circulation slows, and stiffness can develop. This is why it’s important to stand up and move at least once every hour during long trips. Even a short walk or a few ankle circles can make a difference. This will help once you get to your destination to feel good and hit the ground running.

Reduced Circulation During Prolonged Sitting

Along with reduced joint lubrictaion, prolonged sitting also affects circulation. You may have heard people refer to the calves as the body’s “second heart.” That’s because each calf muscle contraction helps pump blood back toward the heart. As we age, our veins become less efficient and the valves within them don’t work quite as well, making it easier for blood to pool in the legs during prolonged sitting. This can contribute to swelling, heaviness, and stiffness after travel. That is why compression socks can help. They help the veins work against gravity to pump blood back toward the heart, allowing your circulation to work more efficiently.

Changes in GAG Molecules and How it Affects Tissue Quality

Another reason your joints may feel stiffer during or after travel has to do with molecules called glycosaminoglycans (GAGs). GAGs are found throughout cartilage and act like tiny sponges, attracting and holding onto water to keep your joints cushioned, lubricated, and able to absorb force. As we age, the composition and function of these molecules gradually changes, making cartilage less effective at retaining water. This can reduce the tissue’s elasticity and ability to tolerate stress, making it even more important to prepare your joints for the demands of travel. Regular exercise helps maintain healthy connective tissue by improving its ability to handle stress, which can reduce stiffness and lower the risk of injury. Combined with hours of sitting during travel, these age-related changes can leave your joints feeling stiff, achy, and less mobile when you first get up.

The good news is that movement is medicine and we have it on us at all times. A short walk, gentle mobility exercises, and returning to your regular exercise routine help restore circulation, improve fluid movement within the joints, and rehydrate cartilage. The sooner you get moving again, the sooner your body starts feeling like itself. Exercise prepares your body for the demands of travel by building strength, keeping your joints lubricated, improving tissue quality, and increasing circulation, helping you travel with less stiffness and recover more quickly.

To see some frequently asked questions about travel and why you might feel different during or after than you used to, click here.