Total Knee Replacement Physical Therapy Protocol: Step-by-Step

After total knee replacement (TKA), you will follow a four-phase physical therapy protocol that moves from basic quad activation and swelling control in the hospital to full functional independence by three to six months. The APTA’s updated clinical practice guideline makes clear that progression should be driven by what your body can actually do, not by the calendar alone. Three priorities take center stage in the first days: activating your quadriceps, controlling swelling with ice and elevation, and walking safely with an assistive device.

Start these steps before you leave the hospital:

Perform ankle pumps and quad sets every hour while awake
Ice and elevate your leg for 20 minutes after each exercise session
Walk with your walker as instructed by your inpatient PT
Schedule your first outpatient PT appointment before or on the day of discharge

Red flags that require an immediate call to your surgeon or a trip to the emergency department: fever above 101°F, increasing calf pain or swelling (a possible sign of deep vein thrombosis), wound drainage that is increasing or has an odor, and pain that is not controlled by your prescribed medications. Do not wait to see if these resolve on their own.

The AAOS OrthoInfo exercise guide recommends exercising 20–30 minutes daily or in multiple short sessions throughout the day in early recovery. That frequency matters more than any single exercise choice.

Key Takeaways

A criterion-based, phase-driven total knee replacement physical therapy protocol, aligned with APTA and AAOS guidance, gives patients the clearest path from hospital discharge to full functional independence.

Point	Details
Start exercises immediately	Ankle pumps, quad sets, and heel slides begin the day after surgery and are the foundation of early recovery.
Advance by milestones, not the calendar	The APTA guideline specifies criterion-based progression tied to functional markers, not fixed time points.
Control swelling consistently	Ice for 20 minutes on, 20 minutes off after every exercise session, combined with leg elevation above heart level.
Know your red flags	Fever above 101°F, increasing calf pain or swelling, and uncontrolled wound drainage require immediate contact with your surgeon.
Nowak Orthopedic Associates	Provides coordinated TKA follow-up, PT referrals, and regenerative adjunct options for patients in Hampton, NH and the Seacoast region.

What does the total knee replacement physical therapy protocol look like week by week?
Phase I: What should you do in the first two weeks after surgery?
Phase II: How do you expand range of motion and normalize your gait in weeks 2–6?
Phase III: What does strengthening look like from weeks 6–12?
Phase IV: When can you return to work and recreational activities?
What are the objective milestones and when should you contact your care team?
How do you perform core rehab exercises correctly at home?
Which adjunct therapies are commonly used in TKA rehab?
Does prehabilitation before surgery actually help?
How do you manage pain and swelling after exercise?
What complications should you watch for during recovery?
How Nowak Orthopedic Associates structures TKA rehab care
What most TKA rehab advice gets wrong
Nowak Orthopedic Associates is here to support your recovery
Sources
FAQ

What does the total knee replacement physical therapy protocol look like week by week?

The four-phase knee replacement rehabilitation protocol gives you a roadmap from the day of surgery through return to full activity. Phases are defined by goals and objective criteria, not just weeks. The PMC systematic review of TKA rehabilitation protocols found wide variability across published programs, which is exactly why a clear, milestone-driven structure matters for patients navigating their own recovery.

Phase	Timeframe	Primary Goals	PT Frequency	ROM Target
Phase I: Immediate	Weeks 0–2	Quad activation, swelling control, safe ambulation, passive extension to 0°	Daily inpatient; 2–3x/week outpatient	0–90° flexion
Phase II: Motion & Mobility	Weeks 2–6	Expand AROM to 0–110°, normalize gait, begin light resistance	2–3x/week outpatient	0–110° flexion
Phase III: Intermediate	Weeks 6–12	Closed-chain strengthening, single-leg stability, functional tasks	1–2x/week; home program daily	0–120° as tolerated
Phase IV: Advanced	Week 12+	Endurance, power, return to work/activity, independent home program	As needed; 1x/week or discharge	Near full, activity-specific

Milestone checklist at a glance:

Phase I exit: active quad contraction, 0–90° ROM, independent ambulation with device, wound stable
Phase II exit: 0–110° AROM, walker-to-cane transition, basic stair negotiation
Phase III exit: 0–120° AROM, single-leg stance 10+ seconds, walk 30 minutes continuously
Phase IV exit: strength symmetry within acceptable range, return to target activities, self-managed home program

Home exercise program time runs 20–30 minutes daily in Phases I and II, increasing to 30–45 minutes in Phases III and IV as exercises become more demanding.

Phase I: What should you do in the first two weeks after surgery?

The first two weeks set the foundation for everything that follows. Your knee is swollen, your quadriceps are inhibited by pain and surgical trauma, and your nervous system is recalibrating. The goal is not to push hard. It is to establish the basics: quad activation, safe movement, and swelling control.

Phase I goals:

Achieve active quadriceps contraction (visible quad tightening with knee straight)
Ambulate independently with walker or crutches as directed
Passive knee extension to 0° (full straightening)
Knee flexion to approximately 90°
Control swelling and pain to allow exercise participation

Core Phase I exercises

The AAOS OrthoInfo guide and the Royal Berkshire NHS patient leaflet both recommend starting basic exercises the day after surgery. Here is what that looks like in practice:

Ankle pumps: Flex and point your foot repeatedly. Do 10 repetitions every hour while awake. This keeps circulation moving and reduces DVT risk.
Quad sets: Tighten the muscle on top of your thigh with your leg straight. Hold 5–10 seconds, release. Aim for 10 repetitions, 3–4 times daily.
Straight leg raises (SLR): With your quad contracted, lift your straight leg as tolerated. Lower slowly. Start with 2 sets of 10, building to 3 sets as tolerated.
Heel slides: Lying on your back, slide your heel toward your buttock to bend the knee as far as comfortable. Hold briefly, then slide back. Do 10–15 repetitions, 3 times daily.

Modalities in Phase I:

Ice: Apply for 20 minutes after exercise, 20 minutes off, repeated for a few hours as needed. Always place a thin cloth between the ice pack and skin.
Elevation: Keep your leg elevated above heart level when resting, especially in the first week.
TENS or NMES: Your inpatient team may apply neuromuscular electrical stimulation (NMES) to assist quad activation if you cannot contract the muscle voluntarily, or transcutaneous electrical nerve stimulation (TENS) for pain modulation.

Wound care and DVT precautions:

Watch your incision daily. Mild redness and swelling around the wound are expected. Increasing drainage, warmth spreading beyond the incision, or any odor requires a call to your surgeon. For DVT, the warning signs are calf pain, calf swelling, or warmth in the lower leg. See the post-surgery knee care guide for a detailed wound-care checklist.

Progression criteria to Phase II: You are ready to advance when you can perform a reliable quad contraction, walk with your assistive device for functional distances without significant pain increase, and your wound is stable and healing.

Pro Tip: Place a small rolled towel under your ankle (not under your knee) when lying down. This encourages full knee extension passively throughout the day, which is one of the hardest ROM targets to recover if lost early.

Phase II: How do you expand range of motion and normalize your gait in weeks 2–6?

By week two, the acute swelling is beginning to settle and your quad is waking up. Phase II shifts the focus to expanding your range of motion toward 110°, beginning light resistance work, and moving away from the walker.

Phase II goals:

Active range of motion (AROM) from 0° to 110°
Normalize basic gait pattern, reducing compensations like hip hiking or trunk lean
Begin progressive resistance for quadriceps and hip muscles
Transition from walker to single-point cane, then toward cane-free walking

Exercise progressions in Phase II

Long arc quads (LAQ): Seated, extend your knee from 90° to full extension. Add light resistance as tolerated. Start with 2 sets of 10, progress to 3 sets of 15.
SLR with progression: Continue straight leg raises; add a 1–2 lb ankle weight around weeks 4–6 when quad control is reliable.
Mini-squats: Stand with support, bend knees to 20–30°, hold 2–3 seconds, return. Begin with 2 sets of 10.
Stationary bike: Begin with no resistance, focusing on achieving a full pedal stroke. Sessions of 10–15 minutes, building to 20 minutes as tolerated.

Pro Tip: If you cannot complete a full pedal revolution on the stationary bike, lower the seat by a few centimeters. A lower seat increases the effective knee flexion angle and often makes the difference between a partial and a full stroke in early recovery. The AAOS OrthoInfo guide specifically notes this adjustment.

Gait training milestones

The progression from walker to cane to independent walking is not automatic. Your therapist will watch for compensations: a shortened stance phase on the surgical leg, lateral trunk lean, or a stiff-knee gait pattern. These are common and correctable with cueing and strengthening.

Walker to single-point cane: When you can bear full weight on the surgical leg without significant pain and your quad is strong enough to control knee extension during stance
Cane to cane-free: When gait pattern is symmetric and you can walk without compensations for at least 10–15 minutes

If quad inhibition persists despite consistent exercise, your therapist may recommend formal NMES sessions to assist muscle recruitment. Persistent ROM deficits below 90° at week four may prompt manual therapy or more aggressive stretching protocols.

Phase III: What does strengthening look like from weeks 6–12?

Phase III is where the work gets more demanding and more rewarding. The focus shifts from basic motion to functional strength, meaning exercises that challenge your knee the way daily life does.

Phase III goals:

AROM approaching 0–120° as tolerated
Single-leg stance stability for 10 or more seconds
Progressive closed-chain strengthening
Walk 30 minutes continuously, negotiate stairs without a handrail

Typical Phase III exercises:

Leg press (single-leg): Begin with bilateral leg press, progress to single-leg as strength allows. Start at a comfortable load, 3 sets of 10–12 repetitions.
Step-ups: Step up onto a 4-inch step, then progress to 6–8 inches. Lead with the surgical leg going up, lead with it going down. 3 sets of 10.
Lunges (modified): Begin with a short stride and support, progressing to a full lunge as quad strength and balance improve.
Balance and dynamic tasks: Single-leg stance on a firm surface, progressing to unstable surfaces (foam pad). Add upper-extremity tasks to increase challenge.

Objective performance tests your therapist may use:

Timed Up-and-Go (TUG): measures functional mobility
6-Minute Walk Test: measures walking endurance
Single-leg stance time: measures balance and quad stability

Progression criteria to Phase IV: Strength symmetry between legs should be approaching an acceptable range (your therapist will assess this), pain after exercise should resolve within two hours, and ROM should be at or near 120°.

Phase IV: When can you return to work and recreational activities?

Phase IV begins after week 12 and continues until you reach your personal activity goals. For some patients, that means returning to a desk job. For others, it means getting back on a golf course or hiking trail.

Phase IV goals:

Restore endurance and lower-extremity power
Return to desired work and recreational activities
Achieve independence with a home exercise program

Advanced exercises:

Eccentric single-leg press: Lower slowly on one leg, push up with both. Builds quad power and tendon resilience.
Progressive step-down: Stand on a step, lower the non-surgical leg slowly toward the floor. Demands significant quad control.
Agility drills: Side-stepping, direction changes, and light sport-specific movements when appropriate and cleared by your surgeon.

Return to work and activity timelines:

Sedentary or desk work: often possible by weeks 4–6 with appropriate accommodations
Light-duty or standing work: typically weeks 8–12
Manual labor or physically demanding work: often 3–6 months, depending on strength symmetry and surgeon clearance
Low-impact recreational activities (walking, cycling, swimming, golf): often by months 3–6
High-impact activities: generally not recommended after TKA; discuss specifics with your surgeon

Discharge criteria: You are ready to self-manage when you can perform your home program independently, pain is well-controlled, and you have met your personal activity goals. Intermittent PT check-ins every few weeks can be helpful for patients returning to higher-demand activities.

What are the objective milestones and when should you contact your care team?

The APTA updated guideline emphasizes criterion-based progression, meaning you advance when you meet specific functional markers, not simply because a certain number of weeks have passed. The OHSU institutional protocol operationalizes this with a practical rule: you should be able to complete 2 sets of 8 repetitions of a key exercise with less than a 2-point increase in pain and less than 2 cm of additional swelling before advancing.

Milestone	Objective Measure	Action if Not Met
Quad activation	Visible quad contraction, SLR without lag	Add NMES, increase quad set frequency
ROM 0–90° by discharge	Goniometer measurement	Increase heel slides, manual therapy, notify surgeon
ROM 0–110° by week 6	Goniometer measurement	Assess for stiffness, discuss with surgeon
Gait independence	Walk functional distances without compensations	Increase gait training, assess for pain source
Single-leg stance 10 sec	Timed test	Add balance training, assess quad strength
Walk 30 minutes	Timed walk test	Graded walking program, check for pain/swelling

Red-flag checklist: contact your surgeon or seek urgent care for any of these:

Fever above 101°F
Increasing calf pain, swelling, or warmth (possible DVT)
Wound drainage that is increasing, discolored, or has an odor
Pain that is not controlled by prescribed medications
Sudden increase in knee swelling not explained by recent activity
Numbness or tingling in the foot or lower leg

When ROM lags significantly: If your knee flexion is not reaching 90° by week two or 110° by week six, contact your surgeon. In some cases, a manipulation under anesthesia (MUA) may be discussed to restore motion before scar tissue fully matures. This conversation is time-sensitive.

For a structured approach to coordinating PT and surgeon follow-up, see the post-surgery rehab workflow guide.

How do you perform core rehab exercises correctly at home?

Doing the right exercises matters. Doing them correctly matters more. Here is a practical reference for the exercises you will use most often, with technique cues and common mistakes to avoid.

Exercise	Phase	Sets x Reps	Key Cue	Common Mistake
Ankle pumps	I	10 reps/hour	Pump through full range	Barely moving the ankle
Quad sets	I–II	3–4 x 10	Tighten fully, hold 5–10 sec	Letting the knee bend
Straight leg raise	I–III	2–3 x 10	Contract quad before lifting	Lifting with hip flexor only
Heel slides	I–II	3 x 10–15	Slide as far as comfortable	Forcing through sharp pain
Long arc quads	II–III	2–3 x 10–15	Extend fully, lower slowly	Dropping the leg quickly
Mini-squats	II–III	2–3 x 10	Keep knees over toes	Letting knees cave inward
Step-ups	III–IV	3 x 10	Lead with surgical leg	Pushing off the back leg
Stationary bike	II–IV	10–20 min	No resistance initially	Forcing pedal stroke

Technique cues for key exercises:

Quad sets: Lie flat. Press the back of your knee gently into the bed or floor. You should see and feel the muscle above your kneecap tighten. Hold for a full 5–10 seconds before releasing.
Straight leg raise: Tighten your quad first, then lift the leg to about 45°. If your knee bends when you lift, your quad is not engaged enough. Lower slowly over 3–4 seconds.
Heel slides: Use a smooth surface or a plastic bag under your heel to reduce friction. Slide until you feel a firm stretch, not sharp pain. The Royal Berkshire NHS guide recommends this approach for early home sessions.
Step-ups: The surgical leg does the work going up and controls the descent going down. Do not let your trunk lean forward to compensate for quad weakness.

Pro Tip: Wrap-around Velcro ankle weights (1–2 lbs) are a practical and affordable option for adding resistance to straight leg raises and long arc quads starting around weeks 4–6, once your quad control is reliable. The AAOS OrthoInfo guide recommends these specifically for home programs.

Modifying for pain or swelling: If a specific exercise causes more than a 2-point increase in pain (on a 0–10 scale) or your knee looks noticeably more swollen after a session, reduce the repetitions or range and ice immediately. Do not skip the exercise entirely unless pain is severe.

Which adjunct therapies are commonly used in TKA rehab?

Physical therapy after knee surgery relies primarily on active exercise, but several adjunct modalities support symptom management and can help you participate more fully in your program.

Common adjuncts and their roles:

Cryotherapy (ice): Reduces post-exercise swelling and pain. Apply for 20 minutes on, 20 minutes off, repeated for a few hours after exercise sessions. Always use a cloth barrier between the ice and skin.
Elevation: Combine with icing. Keep the leg above heart level to assist venous return and reduce swelling. Most effective in the first four weeks.
NMES (neuromuscular electrical stimulation): Delivers electrical current to stimulate the quadriceps muscle directly. Used when voluntary quad activation is poor, particularly in the first two to four weeks. Your PT applies electrodes over the quad and the current triggers a contraction.
TENS (transcutaneous electrical nerve stimulation): Targets pain modulation rather than muscle activation. Useful for patients with significant pain limiting exercise participation. Settings and electrode placement are determined by your PT.
Aquatic therapy: Pool-based exercise reduces joint load while allowing early closed-chain work (standing, walking, mini-squats in water). Typically introduced after the wound is fully healed, usually around weeks 4–6.
Manual therapy: Joint mobilization and soft tissue techniques applied by your PT to address stiffness, scar tissue, and restricted motion. Most useful when ROM is lagging behind expected targets.

A practical principle from the evidence: Adjunct modalities work best as a support for active exercise, not a replacement for it. Ice and TENS can reduce pain enough to let you work harder in your session. NMES can help recruit a muscle that is not firing well. But the strength, ROM, and functional gains that determine your long-term outcome come from the active exercises themselves.

The key is pairing the right modality with the right problem. Persistent swelling after exercise calls for ice and elevation. Poor quad activation calls for NMES. Significant pain limiting participation calls for TENS or analgesic timing adjustments. Your PT will guide these decisions based on how your knee responds week to week.

Does prehabilitation before surgery actually help?

Prehabilitation, or “prehab,” refers to structured exercise and education completed before your surgery date. The idea is straightforward: a stronger, better-conditioned body going into the operating room tends to recover more efficiently coming out.

An umbrella review published in BMC Musculoskeletal Disorders found that prehab may improve pre-op function and muscle strength and may shorten hospital length of stay, but the evidence is heterogeneous and the optimal components and dosing remain unclear. That is an honest summary: prehab shows a signal, but no single protocol has been proven definitively superior.

The “triple recovery” model increasingly recommended for older patients combines exercise, nutritional optimization, and psychological preparation before surgery. The rationale is that improving physiological reserve across all three domains may help patients better tolerate surgical stress and engage more productively with post-op rehab.

Typical prehab elements:

Strength and resistance training 3 times per week, focusing on quad sets, SLRs, and hip strengthening
Home knee ROM exercises and gentle stretching
Simple aerobic work such as walking or stationary cycling
Pre-op education: what to expect in the hospital, how to use a walker, wound care basics, and red flags

Practical expectations: Prehab is most valuable when you have a long wait before surgery, when your baseline strength or mobility is poor, or when you have other health conditions that could complicate recovery. Even four to six weeks of consistent quad strengthening before surgery can make the early post-op period easier to navigate.

Talk to your surgeon or PT about starting a prehab program as soon as your surgery date is confirmed.

How do you manage pain and swelling after exercise?

Some pain and swelling after exercise is expected, especially in the first six weeks. The goal is not to eliminate all discomfort but to stay within a range that allows consistent progress.

Practical post-exercise routine:

Ice the knee for 20 minutes immediately after your exercise session
Elevate the leg above heart level during and after icing
Repeat the ice-and-elevation cycle as needed for a few hours post-exercise
Take prescribed analgesics as directed, ideally timed to support your exercise sessions rather than just reacting to pain afterward

Rules of thumb for safe progression:

Pain after exercise should resolve within two hours of finishing. If it lingers longer, reduce the intensity or volume of your next session.
Swelling increase of less than 2 cm above baseline after exercise is generally acceptable. More than that is a signal to back off.
You should not lose function after a session. If you are walking worse the next morning than the morning before, something in the previous session was too much.

Pacing guidance:

Avoid the boom-bust pattern: pushing hard on a good day, then being unable to exercise for two days because of increased pain and swelling. Graded, consistent effort produces better outcomes than occasional intense sessions. Increase exercise volume or resistance by small increments, and monitor your knee’s response for 24 hours before increasing again.

Pro Tip: Keep a simple daily log: note your pain level before and after exercise, any visible swelling change, and how you feel the next morning. This gives your PT concrete data to work with and helps you spot patterns before they become setbacks.

When swelling or pain is increasing despite rest and ice, or when you notice any of the red flags listed earlier, contact your care team rather than waiting for your next scheduled appointment.

What complications should you watch for during recovery?

Most TKA recoveries follow a predictable course, but complications do occur. Knowing what to look for and when to act can prevent a manageable problem from becoming a serious one.

Red flags requiring immediate contact with your surgeon or the emergency department:

Signs of infection: increasing redness, warmth, or swelling around the incision; wound drainage that is thick, discolored, or has an odor; fever above 101°F
DVT symptoms: calf pain, calf swelling, warmth or redness in the lower leg, or unexplained shortness of breath (which may indicate a pulmonary embolism)
Uncontrolled pain: pain that is worsening rather than gradually improving and is not managed by prescribed medications
Unexpected wound changes: wound edges separating, bleeding through the dressing, or skin changes around the incision

Differentiating expected from concerning:

Normal post-op swelling is diffuse, peaks around days three to five, and gradually improves with ice and elevation. Concerning swelling is localized, increasing after the first week, or accompanied by warmth and redness. Normal post-op pain is present but manageable and trending downward. Concerning pain is escalating, localized to a specific point, or accompanied by systemic symptoms.

When you call your surgeon’s office, have this information ready: your surgery date, the name and dose of your current medications, a description of when the symptom started and how it has changed, and any photos of the wound if the concern is visual. This helps the clinical team triage your call accurately and respond faster.

Stiffness and manipulation under anesthesia (MUA):

If your ROM is not progressing as expected despite consistent PT, your surgeon may discuss MUA. This procedure is performed under anesthesia and manually breaks up scar tissue to restore motion. The window for MUA is generally within the first three months after surgery, before scar tissue fully matures. If your PT flags persistent ROM deficits, do not delay the conversation with your surgeon.

How Nowak Orthopedic Associates structures TKA rehab care

At Nowak Orthopedic Associates, the knee replacement rehabilitation protocol begins before surgery. Patients receive pre-op education covering what to expect in the hospital, how to use a walker, home setup recommendations, and early exercise instruction. This preparation reduces anxiety and helps patients engage with their post-op program from day one.

After surgery, the pathway follows criterion-based progression aligned with APTA and AAOS guidance. Outpatient PT is coordinated with surgeon follow-up appointments so that ROM measurements, strength assessments, and any concerns are communicated across the care team. Patients are not advanced by the calendar alone. They advance when they meet the functional milestones that matter.

What patients typically experience at Nowak Orthopedic Associates:

Pre-op education visit covering home preparation and early exercise instruction
Coordinated outpatient PT referrals with clear communication between PT and surgeon
Surgeon follow-up appointments timed to key milestones (typically weeks two, six, and twelve)
Access to regenerative adjunct options such as PRP or SoftWave therapy when clinically appropriate to support tissue healing
Individualized progression criteria reviewed at each visit

Our physical therapy and knee recovery outcomes article outlines how structured, supervised PT drives lasting mobility improvements for patients in the Hampton, NH and Seacoast region. For patients who want a broader overview of recovery expectations, the knee replacement causes, options, and recovery guide is a useful starting point.

What most TKA rehab advice gets wrong

The conventional framing of total knee replacement recovery tends to lean heavily on time. “By week six, you should be doing X.” “By three months, you should be back to Y.” That framing is understandable because it is easy to communicate, but it creates real problems for patients.

Time-based milestones assume a uniform rate of healing that simply does not exist. Two patients who had the same surgery on the same day can have dramatically different quad activation, swelling patterns, and ROM trajectories at week four. When a patient who is behind the “expected” timeline reads that they should have 110° of flexion by now, the result is often anxiety, overexertion, or loss of confidence in their recovery. None of those outcomes help.

What the evidence actually supports is criterion-based progression. The APTA guideline is explicit on this point: advance when functional milestones are met, not when a certain number of days have elapsed. The OHSU protocol operationalizes it with a specific rule about completing exercise sets without significant pain or swelling increases. That is the right framework because it ties progression to the knee’s actual readiness, not an arbitrary date.

The second thing most advice underweights is quad activation in the very first days. Patients often focus on flexion, which is visible and measurable, and neglect extension strength, which is what actually allows safe walking and stair negotiation. A knee that bends to 100° but cannot reliably extend against gravity is a functional problem. Quad sets and straight leg raises in the first 48 hours are not warm-up exercises. They are the most important work of the entire protocol.

Finally, the psychological dimension of recovery is consistently underserved in standard rehab literature. Pain, fatigue, and slow progress are demoralizing. Patients who understand that a plateau at week eight is normal, not a sign of failure, tend to stay consistent with their programs. That consistency is what separates good outcomes from excellent ones.

Nowak Orthopedic Associates is here to support your recovery

Recovering from total knee replacement is a process that takes months, and having the right clinical team behind you makes a measurable difference. At Nowak Orthopedic Associates in Hampton, NH, patients receive coordinated orthopedic follow-up, PT referrals with clear milestone-based progression, and access to regenerative adjunct therapies through our Regenerative Clinic when clinically appropriate.

Your first post-op visit with Dr. Nowak is the right time to review your ROM progress, address any concerns about your wound or pain management, and confirm your PT plan. To schedule your visit or coordinate your post-op care, visit our first visit page to see what to expect and how to prepare. Bring your surgery date, current medication list, and any questions your PT has raised about your progress. Insurance coverage for post-op orthopedic visits and PT coordination is something our team can help you navigate at your appointment.

Sources

These are the primary references used to build this protocol. Each is worth bookmarking if you want to verify recommendations or share them with your care team.

This article is general information, not a substitute for advice from a qualified doctor. Consult a qualified healthcare professional about your own circumstances before acting on anything here.

FAQ

How long do you do PT after total knee replacement?

Most patients attend formal outpatient PT for six to twelve weeks after surgery, with a home exercise program continuing for three to six months. The APTA guideline ties discharge to meeting functional milestones rather than a fixed end date.

What is the most important exercise after total knee replacement?

Quad sets and straight leg raises are the most critical exercises in early recovery because they restore the quadriceps activation needed for safe walking, stair negotiation, and all subsequent strengthening work.

Should you do physical therapy before total knee replacement?

Prehabilitation can improve pre-op strength and function and may shorten hospital length of stay, according to an umbrella review in BMC Musculoskeletal Disorders. It is most beneficial for patients with poor baseline strength or a long wait before surgery.

What can you never do again after total knee replacement?

High-impact activities such as running, jumping, and contact sports are generally not recommended after TKA because of the risk of accelerating implant wear. Low-impact activities like walking, cycling, swimming, and golf are typically well-tolerated and encouraged.

What happens if you skip PT after knee replacement?

Skipping PT significantly increases the risk of stiffness, quad weakness, and poor functional outcomes. Without structured rehabilitation, scar tissue can limit ROM permanently, and the strength needed for safe daily activities may not return adequately.