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Patient Questions  /  Knee replacement recovery time

Bone Health & Surgery

How Long Does Recovery Take After a Knee Replacement?

Most people are back to many daily activities within about 3 to 6 weeks, keep improving strength and comfort for several months, and may notice gains for up to a year. Regular physical therapy and home exercise make a big difference.

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A typical timeline

Every recovery is different, but many people follow a pattern like this:

  • First days: standing and walking with a walker, starting to bend and straighten the knee.
  • Weeks 1 to 6: outpatient physical therapy, moving from a walker to a cane to walking on your own, and working hard on knee motion.
  • Around 3 to 6 weeks: many people are back to most light daily activities. Driving depends on which knee, your pain medicines and your surgeon's OK.
  • Months 2 to 6: building strength and endurance for walking, stairs and hobbies. Some swelling can last for months.
  • Up to a year: many people keep noticing improvement.

What helps recovery go well

  • Start physical therapy when your surgeon recommends, and don't skip home exercises.
  • Focus early on getting the knee fully straight and bending further each week. Stiffness is easiest to prevent early.
  • Manage swelling with elevation and ice as advised, and take pain medicine as prescribed so you can do your exercises.

When to see a doctor

Call your surgeon or get medical care promptly if you have:

  • Pain, swelling or warmth in your calf, which needs urgent attention
  • Chest pain or sudden shortness of breath: call 911
  • Fever, or redness, drainage or opening at the incision
  • A sudden increase in pain or swelling, or you can't put weight on the leg

How physical therapy at ARI can help

ARI provides one-on-one outpatient rehab after knee replacement, following your surgeon's protocol: restoring motion, rebuilding strength, and getting you walking, climbing stairs and back to what you had surgery for.

At ARI Physical Therapy in Bakersfield, every visit is one-on-one and in person with a licensed physical therapist, and our clinic director, Deepa Konnur, PT, MPT, OCS, is a board-certified Orthopedic Certified Specialist. We accept most private insurance plans and Medicare, and we have staff who speak Spanish and Hindi.

Read our full guide: Knee and hip replacement rehab →

No referral needed to start. In California, you can see a physical therapist directly for up to 12 visits or 45 days, whichever comes first. Some insurance plans still require a referral for coverage; call us at (661) 282-8584 and we'll help you check.

Related questions

Ready to feel better?

Talk to a licensed physical therapist at ARI, one-on-one. Request an evaluation and we'll get back to you, usually within one business day.

Request an EvaluationCall (661) 282-8584

This page is general information, not a diagnosis. If you have symptoms, a licensed clinician should evaluate you.

Clinically reviewed by Deepa Konnur, PT, MPT, OCS, board-certified Orthopedic Certified Specialist · Reviewed September 2026