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Knee Surgery

Knee Replacement Recovery: Week-by-Week Timeline, PT Milestones & Return-to-Activity Guide

Comprehensive post-operative recovery roadmap for total knee replacement: pain management, physical therapy phases, swelling control, and realistic activity progression.

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What to Expect

  • Weeks 1–2: Passive range of motion (CPM machine), ice/elevation, pain management; begin quad sets and ankle pumps
  • Weeks 3–6: Active-assisted ROM, partial weight-bearing, intro to therapy resistance; return to driving (if off opioids)
  • Weeks 7–12: Full weight-bearing, increased resistance, balance/proprioception work; most patients resume light ADLs
  • Months 4–6: Sport-specific training, hiking, golf, low-impact aerobics; strength typically 70–80% by 6 months
  • Months 6–12: Gradual return to full activity; continued PT optimization; strength approaching 90%+ by 1 year
  • Post-12 months: Lifetime joint care—avoid high-impact sports, maintain strength, routine follow-up imaging

2–3 weeks

Typical opioid weaning period post-TKR

110–120°

Target knee flexion by 6 weeks

6–8 weeks

Time to return to driving (with surgeon clearance)

3 months

When most patients resume stair climbing, golf, and light travel

1 year

Time to achieve 90%+ pre-injury strength for activities of daily living

95%

Patients who complete PT report excellent functional outcomes

Benefits & Outcomes

Structured, Evidence-Based Rehabilitation Protocol

Elite Orthopedic uses AAOS and APTA guidelines for post-TKR therapy. Your surgeon and PT coordinate care, progressing your rehabilitation systematically to avoid complications and maximize outcomes.

Pain & Swelling Management

Multimodal approach: opioids (short-term), NSAIDs, ice, elevation, compression, and early motion reduce swelling and pain. Most patients are off opioids by week 2–3.

Range of Motion Optimization

Achieving 110–120° flexion and 0° extension in first 6 weeks is critical. CPM machines, aggressive PT, and surgeon monitoring prevent stiffness and ensure functional outcomes.

Individualized Activity Progression

Your PT designs a customized program based on your activity goals: hiking, golf, travel, or recreational sports. We don't use one-size-fits-all protocols.

Long-Term Implant Durability

Proper rehabilitation strengthens surrounding muscles, reduces wear on implant, and extends lifespan. Patients who complete therapy see fewer revisions and outlast those who don't.

Frequently Asked Questions

When can I go home after TKR?

Same-day discharge is standard for healthy patients; you go home 2–4 hours post-op with crutches. Some patients stay overnight for pain management or medical conditions. Your discharge team arranges at-home services and PT.

How much pain should I expect?

Significant pain (6–8/10) is normal first 1–2 weeks; this decreases rapidly with ice, elevation, opioids, and movement. By week 3, most patients manage pain with acetaminophen and NSAIDs. Call your surgeon if pain worsens suddenly.

When do I start physical therapy?

PT begins immediately post-op: passive ROM in recovery room, active-assisted ROM at home starting day 1–2. Formal outpatient PT typically starts week 1–2. Early motion is critical to prevent stiffness.

What's a CPM machine, and how long do I use it?

CPM (Continuous Passive Motion) machines gently flex and extend your knee for hours daily, promoting ROM without muscular effort. Most patients use it 4–6 hours daily for 3–4 weeks, then discontinue as active motion improves.

When can I return to sports and hiking?

Low-impact activities (golf, swimming, cycling) typically resume 3–4 months post-op. Hiking on moderate terrain: 4–6 months. High-impact sports (tennis, basketball): generally not recommended to protect the implant, though some active patients resume them carefully after 1 year with surgeon approval.

Why is PT so important?

PT restores strength, ROM, balance, and proprioception—essential for preventing falls, optimizing implant lifespan, and achieving your activity goals. Patients completing full PT have fewer complications and higher satisfaction.

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