Introduction

Recovering from surgery can be challenging, and one of the most common hurdles patients face is swelling, also known as oedema. This build-up of fluid can cause discomfort and leave many unsure about how active they should be after their operation. Increasingly, gentle walking is recognised as an effective way to support recovery and help reduce swelling. With expert guidance from professionals like Professor Paul Lee and the team at MSK Doctors, patients can confidently navigate their rehabilitation journey.

Why Swelling Occurs After Surgery

Swelling after surgery is the body’s natural response to tissue injury. When surgery is performed, blood vessels in the area become more porous, allowing fluid and immune cells to rush in to aid healing. This fluid collects in the tissues, leading to swelling. Typically, this oedema is most noticeable in the days immediately following surgery and can continue for several weeks, depending on the type and extent of the procedure.

This swelling can cause unpleasant symptoms such as pain and stiffness. More importantly, if swelling persists or worsens, it can slow wound healing and limit movement, potentially prolonging recovery. This is why understanding how to manage post-operative swelling effectively is so important for a smoother return to normal activity.

Comparing Rest and Movement – What Science Says

In the past, patients were often told to rest extensively after surgery to protect the healing area. However, recent studies show that gentle movement, particularly walking, can be much more beneficial in managing swelling and supporting recovery.

Walking stimulates blood flow and promotes lymphatic drainage, both essential for moving excess fluid away from swollen tissues. This improved circulation not only helps reduce swelling but also delivers oxygen and nutrients needed for repair. A recent study pointed out that “usual walking speed (UWS), with low patient burden, short measurement time, and no need for a large space, may be a useful surrogate in settings where other tests cannot be performed” (Yanagisawa et al., 2025). This highlights walking’s practicality as a recovery tool.

It’s worth noting, however, that not everyone benefits equally. For instance, a study involving older adults with frailty found that “preoperative walking supported by activity monitors and remote coaching did not appear to improve postoperative recovery” in this group (Sadiq et al., 2022). This emphasises the importance of personalised care, especially for more vulnerable patients.

For those recovering from joint surgeries like knee replacements, early walking can uncover specific challenges. Research shows that patients who undergo robot-assisted knee replacement “exhibit significant early differences in quadriceps muscle activation and walking range of motion, particularly in women” (García-Sanz et al., 2025). This underlines the need to tailor walking and rehabilitation plans carefully after surgery.

Professor Paul Lee’s extensive experience in orthopaedics and rehabilitation highlights the value of bespoke recovery programmes that safely incorporate walking. At MSK Doctors, patients receive expert support to begin walking at the right time and pace, helping them recover effectively while minimising risk.

How Walking Aids Recovery and Reduces Swelling

On a biological level, walking increases circulation, which helps to shift the fluid that causes swelling out of the tissues and back into the bloodstream. It also encourages lymphatic drainage, the process by which the body clears waste and excess fluid. By keeping these fluids moving, walking can reduce oedema and accelerate healing.

Walking also helps maintain muscle strength, which often diminishes when a patient is inactive after surgery. Furthermore, staying mobile lowers the risk of developing complications linked to being still for too long, such as blood clots.

Research supports walking’s benefits: changes in usual walking speed are moderately linked to improvements in longer walk tests, “confirming the concurrent validity” of walking speed as a recovery measure (Yanagisawa et al., 2025).

Still, some patients experience difficulties regaining balanced muscle function and full joint movement immediately after surgery. For example, in knee replacement patients, “early postoperative asymmetries in muscle activation and movement range of motion may delay recovery” (García-Sanz et al., 2025). A comprehensive rehab plan can address these challenges alongside walking.

With professional advice, patients can safely ease into walking, gradually increasing their activity while monitoring their body’s signals, ensuring a steady and safe recovery.

Safe Walking Strategies and Swelling Management Tips

Most patients can start walking within days of their surgery, once approved by their healthcare provider. Initially, walking sessions should be short and gentle, increasing gradually as comfort and endurance improve. It is important to keep track of pain and swelling to ensure walking aids recovery rather than causes harm.

Walking works best when combined with other swelling-reducing strategies. Elevating the affected limb while resting helps fluids drain away. Staying well hydrated supports good circulation. Gentle stretching or prescribed exercises can improve joint flexibility and strengthen muscles. Throughout rehabilitation, the expert guidance of professionals like Professor Paul Lee and the MSK Doctors team ensures the plan is tailored to each patient's unique needs.

Recognising normal recovery signs versus warning signals is vital. Symptoms such as sudden pain spikes, redness, warmth, or fever may indicate complications like infection and should prompt immediate medical advice.

Conclusion

Incorporating gentle walking into your recovery after surgery can play a crucial role in reducing swelling and speeding up healing. Backed by expert care from specialists like Professor Paul Lee and the MSK Doctors team, patients can feel assured as they regain mobility and return to everyday life. Personalised medical advice remains key to ensuring the safest and most effective recovery.

References

• Yanagisawa, T., Tatematsu, N., Horiuchi, M., Migitaka, S., Yasuda, S., Itatsu, K., Kubota, T., & Sugiura, H. (2025). Validation of usual walking speed as an indicator of postoperative recovery and estimation of its minimal clinically important difference in patients with colorectal cancer undergoing radical surgery. Physiotherapy Theory and Practice. https://doi.org/10.1080/09593985.2025.2560572
• Sadiq, H., Rampam, S., Patel, J., Crawford, S., Walz, M., & Kapoor, A. (2022). Preoperative walking intervention did not appear to improve patient-reported postoperative recovery in older adults with frailty traits: Randomized trial. Medicine, 101(38), e30689. https://doi.org/10.1097/MD.0000000000030689
• García-Sanz, F., Romero-Morales, C., Espejo-Carrizo, R., Caballero-López, J., Sánchez-Clemente, D., Bravo-Aguilar, M., López-López, D., Villafañe, J., Jiménez-Sáiz, S. L., & Gónzalez-de-la-Flor, Á. (2025). Muscle Activation and Mobility After Robotic Total Knee Arthroplasty: Insights from Early Postoperative Recovery. Journal of Clinical Medicine, 14(9), 3150. https://doi.org/10.3390/jcm14093150