What to Expect During Recovery After Knee Replacement Surgery

Nicholas Matthes
Jun 25
2 min read

Knee replacement surgery is a major procedure—and while recovery isn’t quick, most patients agree that it’s absolutely worth it. Understanding what the process looks like can help you feel more prepared, confident, and motivated as you move through each phase of recovery.

Immediately After Surgery

Following your knee replacement, you may stay in the hospital for about a day. During that time, a physical therapist will evaluate your mobility to ensure you can safely move around before being discharged. Depending on your needs, you’ll either return home or transition to an inpatient rehabilitation facility. Early movement, even within the first day, plays a key role in preventing complications and setting the tone for recovery.

Starting Physical Therapy at Home

Once you’re home, physical therapy begins right away. A PT will come to your home to guide you through the early stages of recovery. These sessions focus on:

Safely navigating your home environment
Beginning to walk again
Managing swelling
Improving early mobility
Starting gentle strengthening exercises for the knee, hip, and ankle

This phase is essential for building a safe foundation and typically lasts about two weeks, or until you’re ready to transition to outpatient care. Your therapist may also provide education on positioning, icing, and daily routines to support healing.

Transitioning to Outpatient Physical Therapy

After home therapy, you’ll move to an outpatient physical therapy clinic. This is where your rehabilitation really progresses. Your PT will work with you to:

Relax and reduce tension in surrounding muscles
Improve knee joint mobility through hands-on (manual) techniques
Continue increasing range of motion and strength
Perform functional exercises such as walking, climbing stairs, sit-to-stands, and squats
Help you return to your personal goals and daily activities

As you progress, exercises will become more challenging and tailored to your lifestyle—whether that means returning to work, hobbies, or recreational activities.

Managing Stiffness and Discomfort

It’s completely normal for your knee to feel stiff after surgery. This stiffness can last for some time, but consistent movement—both in therapy and at home—is critical to recovery. Swelling can also contribute to stiffness, so managing it properly is just as important as exercise.

Your physical therapist will guide you through bending and straightening the knee to restore motion. At times, this can feel uncomfortable. However, PTs are trained to understand how far your joint can safely move and will gradually work within that range to improve mobility without causing harm. Open communication with your therapist about pain levels helps ensure the right balance between progress and comfort.

The Big Picture

Recovery after knee replacement surgery takes time, effort, and consistency. While the process can be challenging, each stage is designed to help you regain strength, restore movement, and return to the activities you enjoy. Staying consistent with your home exercise program, attending scheduled therapy sessions, and maintaining a positive mindset all contribute to the best possible outcome. With the right guidance and commitment to your physical therapy program, a successful recovery is well within reach.

If you're ready to move better and get back to doing the things you enjoy, contact Ark Physical Therapy today to schedule an evaluation and learn how personalized physical therapy can help.