Your week-by-week guide to recovering from total knee replacement surgery, restoring mobility, managing swelling, and getting back to everyday activities.

A total knee replacement can provide significant relief from chronic knee pain and help restore mobility when arthritis or joint damage has made everyday activities difficult. But surgery is only the beginning. What happens during the weeks and months afterward plays an important role in your recovery.

Whether you're preparing for knee replacement surgery or have recently returned home from the hospital, understanding what to expect can help you feel more confident about rehabilitation.

Most people make substantial progress during the first 6–12 weeks after total knee replacement, but strength, endurance, swelling, and overall function may continue improving for 6–12 months or longer. Recovery is not identical for everyone, and the best rehabilitation plan is the one recommended by your surgeon and physical therapist.

In this complete knee replacement recovery guide, we'll cover:

• What to expect during each phase of recovery

• Important mobility and rehabilitation milestones

• Common physical therapy exercises after knee replacement

• Equipment that can make recovery at home easier

• Strategies for managing swelling, pain, and stiffness

• Activities to avoid or modify during rehabilitation

• Warning signs that require medical attention

• Frequently asked questions about returning to normal activities

Our goal at Supply Physical Therapy is to help patients better understand recovery and find practical tools that support safe, comfortable rehabilitation.

Medical disclaimer: This article provides general educational information and does not replace medical advice. Always follow your surgeon's and physical therapist's specific instructions, including any precautions or restrictions related to your procedure.

Understanding Total Knee Replacement Surgery

A total knee replacement, also called total knee arthroplasty (TKA), is a surgical procedure that replaces damaged surfaces of the knee joint with artificial components.

It is most commonly performed for advanced osteoarthritis, although other conditions may also require joint replacement.

During the procedure, the surgeon removes damaged joint surfaces and places prosthetic components designed to restore smoother joint movement.

After surgery, patients commonly experience:

• Swelling around the knee and lower leg

• Pain and tenderness near the surgical incision

• Difficulty fully straightening or bending the knee

• Temporary weakness in the quadriceps and surrounding muscles

• Reduced walking endurance

• Difficulty with stairs, transfers, and everyday movements

• Sleep disruption and fatigue

These symptoms often improve with time, appropriate rehabilitation, and adherence to the recovery plan.

However, persistent or worsening symptoms should be discussed with your healthcare team rather than automatically assumed to be normal.

Knee Replacement Recovery Timeline: What to Expect

The following table summarizes common recovery phases after an uncomplicated total knee replacement.

These are general milestones, not mandatory deadlines. Progress depends on factors such as your preoperative strength, age, medical history, surgical technique, pain management, and rehabilitation program.

Recovery period	Common goals	Typical activities
Day 0–3	Begin safe movement, control symptoms, protect the incision	Assisted walking, ankle pumps, gentle knee movement, transfers
Week 1–2	Improve walking confidence, begin restoring motion	Walker or other prescribed aid, home exercises, short walks
Weeks 3–4	Improve knee motion, walking pattern, and leg control	Progressive exercises, gait training, basic daily activities
Weeks 5–6	Build strength and functional mobility	Longer walks, supervised strengthening, stair practice
Weeks 7–12	Improve endurance, balance, and daily function	Progressive resistance exercises, cycling when appropriate, functional training
Months 3–6	Restore confidence and activity tolerance	Longer community walks, low-impact exercise, continued strengthening
Months 6–12+	Continue gains in strength, comfort, and function	Regular low-impact activity and long-term conditioning

How long does it take to recover from a total knee replacement?

Many patients can resume a substantial portion of their normal daily activities within approximately three months. However, being able to perform everyday activities is not the same as being fully recovered.

Muscle strength, walking endurance, balance, and knee comfort can continue improving for many months after surgery. Some swelling or stiffness may persist during the longer recovery period, particularly after increased activity.

Phase 1: The First 72 Hours After Knee Replacement Surgery

Your main goals: Safe movement, symptom control, and preventing complications

The first few days after surgery focus on helping you begin moving safely while protecting the surgical site. Depending on your medical condition, surgical plan, and support at home, you may be discharged the same day or remain in the hospital briefly. Physical therapy often begins on the day of surgery or soon afterward.

What to expect

You may experience significant swelling, discomfort, weakness, and fatigue. Your knee may feel stiff, and walking may require a walker or another assistive device. Your care team may help you practice:

• Getting into and out of bed

• Standing from a chair

• Walking short distances

• Using a walker correctly

• Navigating stairs if necessary

• Performing basic postoperative exercises

Exercises commonly introduced early

1. Ankle pumps

Purpose: Encourage ankle movement and support lower-leg circulation.

How to perform:

1. Sit or lie in a comfortable position.

2. Point your toes away from your body.

3. Pull your toes back toward your shin.

4. Repeat as instructed by your rehabilitation team.

Ankle pumps are commonly used after surgery, but they do not replace prescribed blood-clot prevention measures.

2. Quadriceps sets

Purpose: Begin reactivating the quadriceps muscle, which often becomes inhibited after knee surgery.

How to perform:

1. Lie on your back with your leg supported.

2. Gently tighten the muscles on the front of your thigh.

3. Try to straighten the knee without forcing it.

4. Hold briefly, then relax.

Avoid pushing aggressively into pain.

3. Gluteal sets

Purpose: Maintain awareness and activation of the gluteal muscles.

How to perform:

1. Lie comfortably on your back.

2. Gently squeeze your buttock muscles.

3. Hold briefly.

4. Relax and repeat according to your prescribed program.

4. Gentle heel slides

Purpose: Begin restoring knee bending.

How to perform:

1. Lie on your back with your leg extended.

2. Slowly slide your heel toward your body.

3. Bend the knee only as far as your therapist recommends.

4. Return to the starting position.

A strap or exercise aid may be used if approved by your therapist.

Important safety considerations

Follow your surgical team's instructions regarding weight bearing, wound care, medications, and mobility.

Do not attempt exercises that your care team has restricted, and do not force your knee through severe pain.

Phase 2: Weeks 1-2, Building Your Foundation

Your main goals: Restore movement, manage swelling, and walk safely

The first two weeks at home can be demanding. Many patients experience fluctuating pain, swelling, sleep disruption, and fatigue as they adjust to their new knee. Consistency matters, but recovery is not improved by pushing through excessive pain.

Common rehabilitation goals

Your physical therapist may focus on:

• Improving knee extension, or straightening

• Gradually increasing knee flexion, or bending

• Restoring quadriceps activation

• Improving walking mechanics

• Reducing reliance on assistive devices when safe

• Building confidence with everyday movements

Why knee extension is especially important

Knee extension refers to how fully your knee straightens. Difficulty straightening the knee can affect walking mechanics, standing balance, and the amount of effort required during daily activities. Your therapist may prioritize extension exercises early in rehabilitation. However, do not force the knee into painful positions or use aggressive stretching techniques without guidance.

Recommended exercises during weeks 1-2

Seated knee flexion

Sit in a stable chair and gently slide your operated foot backward underneath the chair to bend the knee. Move only within the range recommended by your therapist.

Short-arc quadriceps exercises

With a small support beneath the knee, gently straighten the lower leg by tightening the quadriceps. Your therapist can help determine when you have enough muscle control to perform this safely.

Assisted straight-leg raises

Straight-leg raises may be introduced once you can maintain adequate knee control. If the knee bends or drops during the movement, your therapist may delay this exercise or provide assistance.

Walking practice

Take short, manageable walks according to your rehabilitation plan. Focus on safe steps and proper use of your walker or other prescribed aid rather than distance alone.

How much should you walk after knee replacement?

There is no universal step count that every patient should achieve during the first two weeks. Your walking schedule should reflect your pain, swelling, balance, strength, and your therapist's instructions.

A useful principle is to increase activity gradually without repeatedly triggering substantial increases in pain or swelling.

Phase 3: Weeks 3-4, Improving Mobility and Knee Control

Your main goals: Better walking mechanics, increasing range of motion, and improving strength

By weeks three and four, many patients begin noticing improvements in walking confidence and everyday mobility. However, swelling and stiffness may still be significant, especially after exercise or prolonged standing.

Common milestones

Depending on your progress, you may be working toward:

• Walking more comfortably

• Improving knee extension and flexion

• Reducing compensatory walking patterns

• Performing basic transfers more easily

• Improving quadriceps strength

• Beginning more functional strengthening exercises

Exercises that may be introduced

1. Standing knee bends

While holding a stable support, gently bend the operated knee by lifting your heel toward your body. Avoid compensating through the hip or lower back.

2. Supported mini-squats

With therapist approval, stand near a sturdy support and bend your knees slightly. Focus on controlled movement and equal weight distribution as tolerated.

3. Standing hip abduction

Stand upright while holding a stable support. Move one leg gently out to the side without leaning your trunk. This exercise helps strengthen muscles that contribute to pelvic stability during walking.

4. Stationary cycling

Some patients begin using a stationary bicycle during this stage. A bicycle can help with repetitive knee movement and low-impact conditioning, but the timing depends on your range of motion and rehabilitation plan. Your therapist may initially recommend partial pedal revolutions before progressing to full revolutions.

Should you stop using your walker?

Not simply because you have reached a certain week. Your therapist should evaluate your balance, walking mechanics, quadriceps control, and fall risk before recommending a transition to a cane or independent walking.

Phase 4: Weeks 5-6, Rebuilding Strength and Functional Independence

Your main goals: Improve leg strength, endurance, balance, and everyday mobility

Around weeks five and six, many patients begin participating in more demanding strengthening and functional exercises. You may feel increasingly independent, but your knee is still recovering.

Common rehabilitation activities

• Progressive resistance exercises

• Controlled sit-to-stand movements

• Step-up exercises

• Stationary cycling

• Balance exercises

• Walking endurance training

• Continued knee range-of-motion work

Important exercises

Sit-to-stand training

Practice standing from a stable chair using controlled leg movement. Your therapist may help you reduce dependence on your arms as your strength improves.

Step-ups

Step onto a low platform or stair under supervision. Focus on controlled movement and safe alignment.

Heel raises

Stand near a stable support and slowly raise your heels from the ground. Lower with control.

Resistance-band exercises

Resistance bands may be used for selected hip and knee strengthening exercises. The appropriate resistance level depends on your current strength and movement quality.

What if your knee is still swollen at six weeks?

Some swelling at six weeks can be part of recovery. However, persistent swelling should be discussed with your rehabilitation team, particularly if it is interfering with movement or function.

Sudden, severe, or worsening swelling—especially with calf pain, redness, warmth, or other concerning symptoms—requires prompt medical evaluation.

Phase 5: Weeks 7-12, Returning to Everyday Activities

Your main goals: Improve endurance, strength, balance, and confidence

During this phase, rehabilitation often becomes more focused on functional activities.

Depending on your recovery, you may begin feeling more comfortable with:

• Longer walks

• Household activities

• Shopping and community mobility

• Stair navigation

• Low-impact exercise

• More challenging strengthening exercises

Exercises commonly used during this phase

Exercise	Main rehabilitation purpose
Stationary cycling	Knee mobility and low-impact conditioning
Controlled step-ups	Stair strength and functional control
Sit-to-stand progressions	Quadriceps and hip strengthening
Supported balance exercises	Stability and fall prevention
Resistance-band exercises	Progressive muscle strengthening
Walking progression	Endurance and walking mechanics
Therapist-approved leg strengthening	Restore lower-body strength

Why strength training remains important

A knee replacement can reduce joint pain, but it does not automatically restore the muscle strength lost before or after surgery.

The quadriceps, hamstrings, hip muscles, and calf muscles all contribute to walking, stairs, and balance.

Progressive strengthening is a central part of long-term rehabilitation.

Phase 6: Months 3-6 and Beyond, Building Long-Term Function

Your main goals: Return to meaningful activities and maintain knee health

By three to six months, many patients experience substantial improvements in mobility and independence.

However, strength and endurance may still be below their long-term potential.

Activities commonly considered during later recovery

Depending on your surgeon's guidance, you may work toward:

• Longer walks

• Low-impact cycling

• Swimming after the incision is fully healed and you are cleared

• Golf

• Hiking on appropriate terrain

• Regular strength training

• Other approved recreational activities

High-impact sports and activities involving repeated jumping, running, or substantial joint loading should be discussed with your surgeon.

When is recovery considered complete?

There is no single date when everyone is fully recovered. Some people feel comfortable with most everyday activities after a few months, while strength, swelling, and confidence continue improving for a year or longer. The goal is not simply to reach a particular week on a calendar.

The goal is to restore safe, comfortable movement and maintain the strength needed for the activities that matter to you.

Knee Replacement Range of Motion: Important Milestones

One of the most common questions after knee replacement is:

How much should my knee bend after surgery?

Knee range of motion is usually measured in degrees.

• Extension: How straight the knee becomes

• Flexion: How far the knee bends

Full extension is commonly described as approximately 0 degrees. Many everyday activities require knee flexion somewhere around 90–110 degrees, while certain activities may require more. However, individual needs and attainable range of motion vary.

Illustrative rehabilitation milestones

Recovery period	Common range-of-motion focus
First few days	Begin gentle motion and work toward improving extension
Weeks 1–2	Continue restoring extension and gradually improve flexion
Weeks 3–6	Progress bending and straightening based on individual response
Weeks 7–12	Improve functional motion and reduce movement limitations
Months 3–6+	Maintain and refine motion alongside strengthening

Important: Some rehabilitation programs use targets such as 90 degrees of flexion during early recovery or 110 degrees later on. These are not universal requirements, and they should not be used to judge recovery without considering the individual's clinical situation.

Your physical therapist should establish appropriate targets for you.

Best Equipment for Knee Replacement Recovery at Home

Having the right equipment ready before surgery can make everyday tasks easier and support your prescribed rehabilitation program. Not every patient needs every item.

1. Cold therapy machines and reusable cold packs

Cold therapy is commonly used to help manage discomfort during postoperative recovery.

Options include:

• Motorized circulating cold therapy machines

• Cold therapy systems with intermittent compression

• Reusable gel ice packs

• Anatomical knee cold therapy pads

Why they may help: Convenient, appropriately applied cooling can make symptom management easier, especially during the early postoperative period.

What to look for: Knee pad compatibility, ease of use, insulation requirements, operating instructions, and any prescription restrictions.

Explore the cold therapy and recovery equipment available at Supply Physical Therapy.

2. Walkers, canes, and mobility aids

A walker is commonly used during early recovery to improve stability. Some patients later transition to a cane before walking independently.

Why they may help: Mobility aids can reduce fall risk and help patients move safely while strength and balance recover. Your rehabilitation team should recommend the appropriate device and fit.

3. Stretching straps and range-of-motion aids

Exercise straps can assist with selected knee mobility exercises. They may be useful for gentle, therapist-approved movements such as assisted heel slides.

Why they may help: They provide controlled assistance during rehabilitation.

Avoid using straps to force the knee into painful positions.

4. Resistance bands

Resistance bands are versatile tools for strengthening the hips and lower extremities. They may be introduced when your therapist determines that resistance exercise is appropriate.

Why they may help: They offer progressive resistance without requiring a large home gym.

Start with the resistance level recommended by your therapist.

5. Supportive pillows and leg elevation equipment

Leg elevation may be part of your swelling-management plan. However, prolonged positioning with a pillow directly under the knee can encourage a bent-knee resting position and may interfere with extension goals.

Why they may help: Properly supported elevation may improve comfort and assist with swelling management.

Ask your therapist how to position the leg appropriately.

6. Stationary exercise bicycles

Stationary bicycles are commonly used during later rehabilitation.

Why they may help: They support repetitive knee movement, low-impact conditioning, and gradual exercise progression.

Do not begin cycling until your therapist approves it and you can use the equipment safely.

7. Bathroom safety and daily living equipment

Depending on your mobility, your care team may recommend:

• Shower chairs

• Raised toilet seats

• Grab bars

• Reachers

• Long-handled shoehorns

• Nonslip footwear

These products can help reduce unnecessary bending, improve stability, and make everyday tasks easier.

Knee replacement recovery equipment checklist

Equipment	Primary purpose	When it may be useful
Walker or cane	Safe mobility	Early recovery and transitions
Cold therapy machine or ice packs	Symptom management	Often early recovery
Exercise strap	Assisted knee motion	When prescribed
Resistance bands	Progressive strengthening	When cleared
Leg elevation support	Comfort and swelling management	As instructed
Stationary bicycle	Mobility and conditioning	When approved
Shower chair and grab bars	Bathroom safety	When needed
Supportive footwear	Walking stability	Throughout recovery

How to Manage Swelling After Knee Replacement Surgery

Swelling is one of the most common challenges after knee replacement. It may affect the knee, lower leg, ankle, or foot. Swelling can contribute to stiffness, discomfort, and difficulty activating muscles.

1. Use cold therapy as instructed

Cold therapy may help reduce discomfort and can be part of a broader postoperative symptom-management plan. Use the treatment duration, frequency, and skin protection recommended by your clinician and device manufacturer. Never assume that leaving a cold therapy pad on longer will improve recovery.

2. Elevate your leg appropriately

Your healthcare team may recommend elevating the leg during rest. Use a position that supports your knee extension goals and follows your surgeon's instructions.

3. Continue prescribed movement

Appropriate walking and ankle movement can help maintain mobility. However, excessive activity may aggravate symptoms. Balance exercise with adequate recovery time.

4. Follow compression instructions

Your care team may prescribe compression stockings, wraps, or other devices. Use only the compression method and settings recommended for you.

5. Monitor your response to exercise

Some temporary increases in discomfort or swelling may occur after activity. However, if symptoms repeatedly worsen or do not settle, discuss adjusting your program with your therapist.

Common Knee Replacement Recovery Mistakes to Avoid

Mistake 1: Doing too much too soon

Feeling better does not mean your tissues and muscles have fully recovered. Increasing walking, household activities, and exercises too aggressively may aggravate pain and swelling.

Better approach: Progress activity according to your rehabilitation plan and symptom response.

Mistake 2: Avoiding movement because of discomfort

Excessive inactivity can contribute to stiffness, weakness, and loss of confidence.

Better approach: Perform the exercises and walking recommended by your rehabilitation team.

Mistake 3: Ignoring knee extension

Some patients focus primarily on bending the knee while overlooking the importance of straightening it.

Better approach: Follow your therapist's extension program and avoid prolonged positions that encourage knee flexion.

Mistake 4: Stopping strengthening exercises too early

Even when walking becomes easier, quadriceps and hip weakness may persist.

Better approach: Continue an appropriate progressive strengthening program.

Mistake 5: Comparing your recovery with someone else's

Two patients can undergo similar procedures and experience very different recovery timelines.

Better approach: Track your progress against individualized goals established with your care team.

Mistake 6: Using cold therapy or compression incorrectly

Applying excessive cold or pressure can cause skin or nerve injury.

Better approach: Follow the device instructions and your clinician's treatment schedule. Check your skin as directed and stop if concerning symptoms develop.

Mistake 7: Ignoring warning signs

Not every postoperative symptom is a normal part of healing.

Better approach: Contact your healthcare team promptly when symptoms are concerning or unexpectedly worsen.

When to Contact Your Surgeon After Knee Replacement

Although some discomfort, swelling, and stiffness are expected, certain symptoms may indicate complications.

Contact your surgical team promptly if you experience:

• Increasing redness, warmth, or drainage around the incision

• Fever or other signs of infection

• Sudden or substantial increases in knee or calf swelling

• New calf pain or tenderness

• Unexpected loss of movement or inability to bear weight

• Severe pain that is worsening rather than improving

• New or persistent numbness or weakness

Seek emergency medical care for sudden shortness of breath, chest pain, coughing blood, fainting, or other symptoms that could indicate a serious complication.

If you are uncertain whether a symptom is normal, contact your healthcare team rather than waiting for your next scheduled appointment.

Frequently Asked Questions About Knee Replacement Recovery

How long does it take to walk normally after knee replacement?

Many patients improve substantially during the first six to twelve weeks, but walking without a limp or assistive device depends on strength, balance, pain, and movement quality.

Your physical therapist should help determine when it is safe to reduce reliance on mobility aids.

What is the hardest week after knee replacement surgery?

The first one to two weeks can be particularly challenging because of pain, swelling, fatigue, and disrupted sleep. However, the most difficult period varies from person to person.

How much should I walk each day after knee replacement?

There is no single recommended distance or step count for every patient. Your walking plan should reflect your surgeon's instructions, your current mobility, and your response to activity.

What exercises are best after knee replacement?

Common rehabilitation exercises include ankle pumps, quadriceps sets, heel slides, assisted knee extension, sit-to-stand training, and progressive strengthening. The best exercises change as your recovery progresses and should be selected by your rehabilitation professional.

How long does swelling last after knee replacement?

Swelling is often most noticeable during early recovery but can continue for several months. Some people experience intermittent swelling for six months or longer, particularly after increased activity. Sudden or worsening swelling requires medical evaluation.

When can I drive after knee replacement?

Driving depends on which knee was operated on, your ability to brake safely, your medication use, and your surgeon's recommendations.

Do not drive while taking medications that impair alertness or reaction time. Obtain clearance from your surgical team.

When can I sleep on my side after knee replacement?

Some patients can sleep on their side relatively early, while others need additional time or positioning support. Follow your surgeon's instructions and use pillows only in positions that do not interfere with prescribed precautions.

Is it normal for my knee to feel warm months after surgery?

Mild warmth can persist during recovery, but increasing warmth combined with redness, fever, worsening pain, or swelling may indicate a problem. Contact your surgical team if you are concerned.

Can I kneel after total knee replacement?

Some people can return to kneeling after recovery, although it may remain uncomfortable or difficult. Ask your surgeon and physical therapist when kneeling is appropriate and how to reintroduce it safely.

Do I need physical therapy after knee replacement?

Most patients benefit from a structured rehabilitation program. The appropriate combination of supervised physical therapy, home exercises, and follow-up appointments depends on individual needs and your surgeon's protocol.

What equipment should I buy before knee replacement surgery?

Commonly useful items include a properly fitted walker, bathroom safety equipment, supportive footwear, and any cold therapy or exercise equipment recommended by your care team. Confirm what the hospital will provide before purchasing duplicate equipment.

When can I return to work after knee replacement?

Return-to-work timing depends on the physical demands of your job, your recovery, and your surgeon's clearance. Desk-based work may be possible sooner than work involving prolonged standing, lifting, kneeling, or climbing.

Your Knee Replacement Recovery Checklist

Use this checklist to prepare for surgery and stay organized during rehabilitation.

Before surgery

• Discuss your expected rehabilitation plan with your surgeon.

• Ask about weight-bearing and movement restrictions.

• Arrange transportation and help at home.

• Remove tripping hazards and prepare safe walking paths.

• Confirm which mobility aids and bathroom equipment you need.

• Review your medication and blood-clot prevention instructions.

• Purchase only the recovery equipment recommended for your situation.

During the first two weeks

• Follow wound care and medication instructions.

• Perform prescribed exercises.

• Walk safely using the recommended assistive device.

• Use cold therapy and elevation as directed.

• Monitor pain, swelling, and incision changes.

• Attend follow-up and physical therapy appointments.

During weeks three through twelve

• Continue working on knee extension and flexion.

• Progress strengthening exercises as instructed.

• Improve walking mechanics and balance.

• Increase activity gradually.

• Discuss persistent swelling, stiffness, or pain with your therapist.

• Review progress toward functional goals.

During months three through twelve

• Maintain a regular strengthening program.

• Build walking and cardiovascular endurance.

• Resume approved recreational activities gradually.

• Continue working on balance and functional movement.

• Attend recommended orthopedic follow-up appointments.

Final Thoughts: Successful Knee Replacement Recovery Is a Process

Total knee replacement recovery takes patience, consistency, and the right support. Although the first several weeks often bring the most noticeable improvements, restoring strength, endurance, balance, and confidence can take many months.

Remember these five principles:

1. Follow your individualized rehabilitation plan.

2. Prioritize safe movement and gradual progress.

3. Continue strengthening even after everyday activities become easier.

4. Use recovery equipment appropriately rather than relying on equipment alone.

5. Pay attention to concerning symptoms and communicate with your healthcare team.

At Supply Physical Therapy, we believe that understanding your recovery is an important part of preparing for it. From cold therapy equipment and rehabilitation tools to exercise accessories and mobility products, our goal is to help patients and healthcare professionals find practical solutions that support the rehabilitation process.

Explore rehabilitation and recovery equipment at SupplyPT.com.

This article is intended for educational purposes. Have a licensed physical therapist or other appropriately qualified clinician review the rehabilitation instructions before publication.

Medical References and Further Reading

1. American Academy of Orthopaedic Surgeons (AAOS): Total Knee Replacement Exercise Guide — https://orthoinfo.aaos.org/en/recovery/total-knee-replacement-exercise-guide/

2. AAOS: Total Knee Replacement — https://orthoinfo.aaos.org/en/treatment/total-knee-replacement/

3. American Physical Therapy Association: Physical Therapy Guide to Total Knee Replacement — https://www.choosept.com/guide/physical-therapy-guide-total-knee-replacement

4. NHS: Recovery After Knee Replacement — https://www.nhs.uk/tests-and-treatments/knee-replacement/recovery/

5. American Association of Hip and Knee Surgeons (AAHKS): Patient Education and Knee Replacement Resources — https://hipkneeinfo.org/

Editorial note: Recovery milestones, exercises, and equipment recommendations are general educational guidance. Individual rehabilitation protocols may differ based on surgical findings, complications, and clinician instructions.