Learn about Total Knee Replacement (TKR) surgery, including the procedure, recovery timeline, and rehabilitation process. 

Discover how Palms Physiotherapy can help with pre-habilitation and post-operative rehabilitation for knee replacement surgery.

The Procedure

1. Preoperative Preparation:

   • Your doctor will conduct a thorough evaluation, including X-rays and possibly an MRI, to assess the extent of joint damage.

   • You may be referred to a physical therapist for pre-habilitation exercises to strengthen the muscles around the knee joint.

   • A discussion about anesthesia options (general or regional anesthesia) will take place before surgery.

2. During the Procedure:

   • TKR is performed under either general anesthesia or spinal anesthesia, depending on the patient’s health and preferences.

   • The surgeon removes the damaged cartilage and bone from the knee joint and replaces it with a prosthetic joint made of metal and plastic components.

   • The surgery typically lasts between 1.5 to 2 hours.

   • Once the prosthesis is in place, the surgeon will test the knee’s range of motion to ensure proper alignment.

3. Postoperative Care:

   • After surgery, you will be monitored in a recovery room for several hours.

   • Pain management, ice therapy, and elevation will be used to reduce discomfort and swelling.

   • You will begin physical therapy within the first 24-48 hours to start moving the knee and regain range of motion.

Healing and Recovery Time

• Initial Recovery (Week 1):

  • You will likely need to stay in the hospital for 1-3 days depending on your health and surgery outcome.

  • During the first week, you will focus on managing pain and swelling while starting gentle knee exercises to improve range of motion.

  • Most patients use a walker or crutches during this period.

• Early Recovery (Weeks 2-6):

  • By Week 2, you may transition to walking with less assistance and continue physical therapy to strengthen the knee.

  • Patients will focus on regaining range of motion, increasing strength, and gradually starting weight-bearing activities.

  • Swelling and bruising may persist but should improve over time.

• Intermediate Recovery (1-3 Months):

  • Full knee extension and flexion should be achieved by this time.

  • Patients will continue to build strength and begin low-impact activities such as walking, stationary cycling, and swimming.

• Full Recovery:

  • Complete recovery after total knee replacement typically takes 6-12 months. While most patients can resume light activities within a few months, returning to high-impact activities should be avoided.

  • The prosthetic knee may feel somewhat stiff for several months, but mobility should improve with ongoing rehabilitation.

Rehabilitation After Total Knee Replacement

Rehabilitation is vital for achieving the best possible outcome after a Total Knee Replacement. Your recovery will depend on your commitment to rehabilitation, which will focus on improving strength, flexibility, and overall function of the knee.

1. Post-Operative Rehabilitation:

   • Phase 1 (Weeks 1-2): Focus on reducing pain and swelling, as well as beginning gentle range-of-motion exercises and quadriceps muscle activation.

   • Phase 2 (Weeks 2-6): Gradual increase in weight-bearing activities, with a focus on walking, strengthening exercises for the quadriceps and hamstrings, and continuing mobility exercises.

   • Phase 3 (Months 1-3): Begin low-impact exercises to build strength and endurance, with an emphasis on regaining normal walking patterns.

   • Phase 4 (Months 3-6): Advanced rehabilitation exercises, including improving balance, flexibility, and lower body strength, along with incorporating functional tasks like stair climbing.

   • Phase 5 (Months 6-12): Final stages of rehabilitation to optimize muscle strength, endurance, and joint function. Low-impact activities such as walking, swimming, or cycling can be incorporated.

2. Progressive Strengthening and Return to Activity:

   • Regular physical therapy appointments are essential for optimal recovery. Your physical therapist will gradually introduce more challenging exercises to restore full function of the knee.

   • Most patients can return to light activities such as walking and cycling after 2-3 months, with a full return to normal activities typically occurring after 6-12 months.

How Palms Physiotherapy & Allied Health Can Help

At Palms Physiotherapy & Allied Health, we specialize in pre-habilitation and post-surgical rehabilitation for Total Knee Replacement (TKR) patients. Our services include:

1. Pre-Habilitation:

   • Strengthening muscles around the knee joint before surgery to improve post-operative recovery and reduce the risk of complications.

2. Post-Operative Rehabilitation:

   • A customized rehabilitation plan designed to help you regain knee function, strength, and mobility. Our physiotherapists will guide you through each stage of the rehabilitation process to ensure optimal recovery.

Frequently Asked Questions (FAQ)

1. How long does it take to recover from total knee replacement surgery?

Full recovery can take anywhere from 6-12 months, with the most intensive rehabilitation happening in the first 3-6 months.

2. Will I be able to walk immediately after total knee replacement?

Most patients can begin walking with a walker or crutches within the first 1-2 days after surgery. Full weight-bearing will gradually be introduced over time.

3. Do I need physical therapy after a total knee replacement?

Yes, physical therapy is critical to recovery. It helps to restore strength, range of motion, and function in the knee joint.

4. Can I run or play sports after total knee replacement?

Running and high-impact sports are generally not recommended after a knee replacement. However, low-impact activities such as walking, swimming, and cycling are encouraged for long-term joint health.

Reputable Australian Resources

1. Australian Physiotherapy Association (APA)

   • For information on rehabilitation after knee replacement.

   • https://australian.physio/

2. Better Health Channel (Victoria)

   • Comprehensive resources on total knee replacement surgery and recovery.

   • https://www.betterhealth.vic.gov.au/

3. HealthDirect Australia

   • General health information on knee replacement surgery and care.

   • https://www.healthdirect.gov.au/

4. Royal Australasian College of Surgeons (RACS)

   • Trusted surgical information on knee replacement procedures.

   • https://www.surgeons.org/

Important disclaimer: This webpage contains general information only and is not intended to be relied upon as personal clinical advice. While we aim to keep information accurate and up to date, it may not reflect the most current research or your individual circumstances. Palms Physiotherapy & Allied Health does not accept liability for decisions made based on this information without an individualised assessment by an appropriately qualified health professional. If you have concerns, please contact us to book an assessment or speak with your GP/medical team.