Shayne Kelly, DOShayne Kelly, DOOrthopedic Sports Medicine
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Recovery Guide · Joint Replacement

Mako Knee Replacement Recovery Guide

By Dr. Shayne Kelly, DO — Fellowship-Trained Sports Medicine Surgeon · Tri-City Orthopedics, Kennewick, WA

For patients recovering from total knee replacement — including Mako robotic-assisted — what the first weeks are for, the motion goals that matter most, and how your knee gets back to the life you want.

Educational information, not medical advice. This is not a substitute for the specific instructions Dr. Kelly and your physical therapist give you. Your timeline depends on your surgery, your body, and your progress. Follow your own care team's directions. In an emergency, call 911.

The short version

Most patients are walking the same day, back to everyday activities by around 6 to 12 weeks, and continuing to improve for up to a year. The single most important early job is motion — getting the knee straight and bending it — because early motion is far easier to build than to recover later. Recovery is criteria-based, not calendar-based: you progress as your knee earns it.

A note on the robot: whether your replacement was done with Mako robotic assistance or conventional instruments, the recovery roadmap is essentially the same — the biggest drivers of your result are your health going in and the work you put into rehab. The phases below are typical ranges, not promises; Dr. Kelly adjusts them for you. And if your surgery was with a different surgeon, your protocol may look different — that is completely fine. Follow your own surgeon's plan.

Knee replacement recovery week by week

Most patients are walking the day of surgery, off the walker somewhere in weeks 2 to 6, back to most daily activities by weeks 6 to 12, and still improving for up to a year — your care team sets your exact timeline. Tap each phase to expand it. You advance when you hit the milestones — not when the calendar says so.

Weeks 0–2 — Get moving early (Phase 1)

Goals

  • Get the knee fully straight — full extension early is critical
  • Start bending it; work toward roughly 90° of flexion
  • Manage swelling and pain; get up and walking with a walker or cane

Milestones to hit

  • Walking short distances with your aid
  • Straightening the knee flat; bending toward 90°
  • Doing your home exercises several times a day

Sample PT-guided work

  • Quad sets, heel slides, seated knee bends, ankle pumps
  • Straight-leg raises; supported standing and walking
  • Ice and elevation for swelling

Precautions

  • Blood-clot awareness — do your ankle pumps and take any prescribed prevention as directed
  • Do not skip the motion work; a stiff knee early is hard to reverse
Weeks 2–6 — Motion & independence (Phase 2)

Goals

  • Flexion progressing toward roughly 110–120°
  • Wean off the walker to a cane, then to walking unaided per your team
  • Return to most daily activities around the house

Milestones to hit

  • Walking without an aid on level ground
  • Managing stairs with a rail
  • Swelling steadily decreasing

Sample PT-guided work

  • Stationary bike for motion; mini squats and step-ups
  • Continued flexion and extension work
  • Balance and gait retraining

Precautions

  • Driving returns only when you are off narcotic pain medication and can control the pedal confidently — your surgeon gives the go-ahead
Weeks 6–12 — Strength & endurance (Phase 3)

Goals

  • Rebuild quad and leg strength; normalize your walking pattern
  • Build walking endurance and confidence on stairs and slopes
  • Approach full, comfortable range of motion

Milestones to hit

  • Walking longer distances without a limp
  • Stairs step-over-step with control
  • Most daily tasks back to normal

Sample PT-guided work

  • Progressive leg strengthening; bike and elliptical conditioning
  • Balance and single-leg control

Precautions

  • Swelling and warmth around the knee can persist for months — that is normal healing, not a setback
Months 3–12 — Return to activity (Phase 4)

Goals

  • Return to the activities you value — walking, golf, cycling, swimming, doubles tennis
  • Continue building strength and endurance; the knee keeps improving for up to a year

Milestones to hit

  • Comfortable with your daily and recreational activities
  • Strength and endurance steadily improving

Sample PT-guided work

  • Activity-specific conditioning
  • Low-impact fitness for the long term

Precautions

  • Most surgeons steer replacement patients toward low-impact activity and away from running and jumping sports to protect the implant — Dr. Kelly will give you activity guidance for your knee

Wondering whether the robot changes any of this? The recovery roadmap is essentially the same for robotic and conventional knee replacement. If you want the honest evidence picture on what Mako does and does not do, read Is Mako Robotic Knee Replacement Worth It?

When to call the office — do not wait

Call Tri-City Orthopedics at (509) 460-5588 right away if you notice any of these:

  • Signs of infection: fever over 101°F, spreading redness, increasing warmth, or drainage from the incision
  • Possible blood clot: calf pain or tenderness, new swelling in the calf — and call 911 for chest pain or trouble breathing
  • The knee will not bend or straighten the way it should despite your exercises — early stiffness may need attention before it sets in
  • Pain or swelling that is getting worse instead of better, or numbness that does not resolve

In an emergency, call 911 first.

When can I drive after knee replacement?

Most patients are cleared to drive once they are off narcotic pain medication and can control the pedals confidently — for a right knee that is often several weeks after surgery; a left knee with an automatic transmission can be sooner. There is no universal date: your care team sets your timeline, and Dr. Kelly gives the go-ahead based on your progress, not the calendar.

Take this guide with you

Print this guide or scan to reopen it on your phone. Dr. Kelly can hand this page to you in clinic — the QR code brings you right back here.

Print this guide

Common questions

How long will I need a walker or cane?

Many patients use a walker for the first week or two, transition to a cane, and walk unaided somewhere around 2–6 weeks — the pace depends on your strength, balance, and confidence. Your therapist and surgeon guide the progression.

When can I drive again?

Usually once you are off narcotic pain medication and can control the pedals confidently — for a right knee that is often several weeks; a left knee in an automatic can be sooner. Your surgeon gives the go-ahead for your situation.

Why is motion such a big deal early on?

A knee replacement that gets stiff early is much harder to loosen later. Getting the knee fully straight and bending it well in the first weeks is the single most protective thing you can do — which is why the early exercises matter so much.

Is it normal for my knee to feel warm and swollen for weeks?

Yes. A healing knee replacement runs warm and stays swollen for weeks to months — that alone, without fever, spreading redness, or drainage, is part of normal healing.

Does robotic (Mako) assistance speed up recovery?

The recovery roadmap is essentially the same for robotic and conventional knee replacement. Some published studies report modestly less early pain with robotic assistance, but your health and your rehab effort are the biggest drivers. See our honest evidence look for details.

Questions about your recovery?

Schedule a follow-up with Dr. Kelly at Tri-City Orthopedics.

Schedule at Tri-City Orthopedics

Or call the office: (509) 460-5588

Related reading: Is Mako Robotic Knee Replacement Worth It? · Mako robotic joint replacement · The First 2 Weeks After Knee Surgery