Why Physiotherapy Is Crucial After Orthopaedic Surgery

Patients often assume that once surgery is over, the hard part is behind them — that the surgeon has "fixed" the problem and the rest is just waiting to heal. In reality, surgery accounts for roughly half of the final outcome. Rehabilitation is the other half. Even a technically excellent implant or repair will underperform if the muscles around it stay weak or the joint is allowed to stiffen up in the weeks after surgery. Physiotherapy is not an optional add-on to orthopaedic surgery — it's the mechanism that actually converts a successful operation into a functioning joint.

The Three Core Goals of Post-Surgical Physiotherapy

1. Preventing Stiffness From Scar Tissue

Any surgical incision triggers a natural healing response that includes the formation of scar tissue. If a joint isn't moved through its range of motion in the early recovery period, this scar tissue can build up around the joint and effectively "glue" it in a restricted position — a condition known as arthrofibrosis. Once established, stiffness like this is far harder to treat than it is to prevent. Structured, guided movement in the early weeks is what interrupts this process before it takes hold.

2. Reactivating Muscles That Pain Has Switched Off

Pain has a direct inhibitory effect on muscle activation — a phenomenon sometimes called arthrogenic muscle inhibition. Before surgery, many patients have been compensating for pain for months or years, and the brain essentially "forgets" how to fire certain muscles properly, particularly the quadriceps around the knee or the glutes around the hip. You can have visibly adequate muscle bulk and still struggle to walk normally if the neural connection isn't retrained. Physiotherapy uses targeted exercises to rebuild this brain-muscle connection, not just raw strength.

3. Restoring Balance and Proprioception

Proprioception is your body's internal sense of joint position and movement — essentially the sensors that let you walk on uneven ground without looking down at your feet. Surgery and the period of reduced activity beforehand can blunt this sense. Physiotherapy includes specific balance and coordination exercises that retrain these sensors, which directly reduces the risk of falls during recovery and beyond.

What Happens When Physiotherapy Is Skipped

Patients who skip or minimise physiotherapy after joint replacement, ligament repair, or fracture surgery often return to clinic a few months later with a familiar set of complaints:

• "My knee still feels stiff, even though the surgery went well."
• "I still have a noticeable limp."
• "I get pain at night that I didn't expect this long after surgery."
• "I don't feel steady on my feet."

By the time these issues surface, months after surgery, they are usually significantly harder to correct than they would have been with consistent early rehabilitation. Stiffness that has set into scar tissue, for example, may require far more intensive physiotherapy, or occasionally further intervention, to resolve.

What a Structured Rehab Program Typically Involves

While every plan is tailored to the specific surgery and patient, most post-operative physiotherapy programs progress through recognisable phases:

• Early phase: gentle range-of-motion exercises, swelling control, and safe transfers (getting in and out of bed, chairs, and the bathroom)
• Intermediate phase: progressive strengthening, gait retraining, and increasing walking tolerance
• Late phase: balance and proprioception work, functional exercises tailored to the patient's daily life or return to sport, and a gradual return to normal activity levels

Continuity matters throughout — working with a consistent physiotherapy team who understands your specific surgery and progress, rather than switching providers repeatedly, tends to produce more reliable outcomes.

Physiotherapy vs. Occupational Therapy

It's worth noting that physiotherapy and occupational therapy serve related but distinct purposes: physiotherapy generally focuses on restoring movement, strength, and function of the joint itself, while occupational therapy focuses on adapting daily activities and the home environment so patients can manage independently during recovery. Many patients benefit from both, particularly after major surgery like hip or knee replacement. See our comparison of physiotherapy vs. occupational therapy for more detail.

FAQs

How soon after surgery does physiotherapy typically begin? For most joint replacement and many fracture surgeries, gentle movement and physiotherapy begin within the first day or two after surgery, often while still in hospital. Early mobilisation is a core part of modern recovery protocols, not something reserved for later.

How long do I need physiotherapy after major surgery like a knee or hip replacement? This varies by procedure and individual progress, but structured physiotherapy commonly continues for several weeks to a few months after major joint surgery, sometimes longer for complex cases. Your physiotherapist and surgeon will guide the specific duration based on your progress.

What happens if I feel fine and want to stop physiotherapy early? Feeling comfortable at rest doesn't always mean the joint has regained full strength, range of motion, or stability. Stopping rehabilitation early is one of the more common reasons patients develop late stiffness or persistent weakness. It's best to complete the full program your surgeon and physiotherapist recommend, even once daily pain has settled.

Can physiotherapy be done at home instead of in a clinic? For many patients, a combination works well — supervised sessions for guidance and progression, supplemented by home exercises between visits. Purely home-based programs without any professional oversight carry a higher risk of doing exercises incorrectly or progressing too quickly or too slowly.

Takeaway

Think of physiotherapy as the essential second half of orthopaedic treatment — the surgeon restores the structure, but physiotherapy is what restores the function you'll actually use in daily life. Skipping or rushing through rehabilitation is one of the most common, and most avoidable, reasons patients don't get the full benefit of their surgery.

To build a complete recovery plan around your upcoming or recent surgery, contact us to speak with Dr. Abhijit Kale's team.