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Having a Knee Replacement

Having a Knee Replacement

When to get medical help

Exercise, sports, and other activities

Resources

Having a Knee Replacement

Exercises before surgery - Phase 1 exercises

Begin these exercises now to build your strength, and keep doing them after surgery. Your case manager or rehab team will tell you when to start phase 2 exercises (about 6 weeks after surgery). Exercise is part of a successful surgery and getting back to normal, everyday living.

It is important to do these exercises on your surgical leg. If you are able, you can do the exercises on both legs. Do all exercises slowly and with control 2 to 3 times a day. You can increase the number of times as long as it doesn't hurt too much.

Exercise 1: Ankle pumps

Sit on a steady chair or lie down.
Bend your ankle to move 1 foot up and down. Then do the other foot.
Repeat at least 10 times (for both feet).

Lying down, tighten stomach muscles by pulling belly button towards spine.

Exercise 2: Simple thigh squeezes

Lie down and bring 1 knee up for support. Keep the kneecap and toes of your straight leg facing the ceiling.
Pull your toes up toward your head.
Tighten the muscles in front of your thigh and push the back of your knee into the bed.
Relax.
Repeat at least 5 times.

laying down, tighten stomach muscles and bring knee up.

Exercise 3: Harder thigh squeezes

Lie down and place a firm roll under your knee.
Straighten your leg, lifting your foot off the bed.
Hold for a count of 3 to 5.
Slowly lower your leg.
Repeat at least 5 times.

Lying on your back. straighten leg and lift foot.

Exercise 4: Thigh lifts

Do this exercise only when you can do exercise 2: simple thigh squeezes.

Lie down and bring 1 knee up for support. With 1 knee in a comfortable position, tighten your thigh muscles and lift your other leg keeping the knee straight.
Hold for a count of 3 to 5.
Slowly lower your leg to the bed.
Repeat at least 5 times.

Lying on your back, tighten muscles in thigh, lift leg.

Exercise 5: Knee straightening

Lie down and bring 1 knee up for support. Keep the kneecap and toes of your straight leg facing the ceiling.
Place a small roll under 1 ankle and push the knee down toward the bed.
Hold for a count of 30.
Relax.
Repeat at least 5 times.

Exercise 6: Knee bend

Bend your knee by sliding your heel along the bed toward your buttocks (bum).
Make sure your knees face the ceiling.
Hold for a count of 3 to 5.
Slowly straighten your knee sliding your heel back to your starting position.
Repeat at least 5 times.

Lying on your back, bend your knee while sliding knee towards you.

Exercise 7: Core stability

Lie or sit with your back supported, bend both knees, and keep your feet flat.
Tighten your lower stomach muscles by pulling your belly button down towards your spine.
Squeeze the pelvic muscles that stop the flow of pee. (Ask your physiotherapist to explain how to find these muscles.)
Breathe normally while holding for a count of 3 to 5.
Relax.
Repeat at least 5 times.

Lying on your back, squeeze pelvic muscles.

Sitting in a chair, squeeze pelvic muscles.

Exercise 8: Armchair push-ups

Sit on a steady chair, with your feet flat on the floor.
Push up with both arms to lift yourself a few inches off the seat.
Hold for a count of 3 to 5.
Slowly lower yourself onto the chair.
Repeat at least 5 times.

Exercise 9: Sitting knee bends

Sit on a steady chair with your feet flat on the floor.
Slowly slide your foot back as far as you can.
Hold for a count of 3 to 5.
Slowly slide your foot back to the starting position.
Repeat at least 5 times.

Sitting in a chair, feet flat on the floor, slide foot backwards as far as you can.

Exercise 10: Sitting knee straightening

Sit on a steady chair with your thigh supported.
Lift your foot and straighten your knee.
Hold for a count of 3 to 5.
Slowly lower your foot to the floor.
Repeat at least 5 times.

Sitting in a chair, lift foot and straighten your knee.

When doing exercises 11 to 14, stand straight, tuck in your stomach, and tighten your buttocks.

Exercise 11: Standing knee bends

Hold on to a table or counter for support.
Slowly bend your knee by lifting your heel towards your buttocks.
Hold for a count of 3 to 5.
Slowly lower your foot to the floor.
Repeat at least 5 times.

Standing up straight, feet flat on the floor, holding onto counter top or table for balance, lift one foot so heel is moving towards buttocks.

Exercise 12: Standing knee lift

Hold on to a table or counter for support.
Lift your knee, as if you were going up a step.
Hold for a count of 3 to 5.
Slowly lower your foot to the floor.
Repeat at least 5 times.

Standing up straight, feet flat on the floor, holding onto counter top or table for balance, lift one knee forward like you are taking a step.

Exercise 13: Mini knee bends (squats)

Hold on to a table or counter for support.
Stand with your legs shoulder-width apart and your toes pointed forward.
Keeping your weight on your heels, slightly bend your knees so you can still see your toes, keeping your heels on the floor and your knees apart. Stick your buttocks back like you are starting to sit down.
Hold for a count of 3 to 5.
Slowly return to your starting position.
Repeat at least 5 times.

Standing up straight, feet flat on the floor shoulder width apart, hold counter or table for balance and slowly bend knees while keeping heels on the floor.

Exercise 14: Heel raises

Place both hands on a supportive surface for balance.
Stand with equal weight on both feet.
Raise both heels off the ground. (Go up on your toes.)
Lower both heels at the same time slowly.
Start with 10 repetitions.
Repeat at least 5 times.

Credit: All images on this page belong to the Bone and Joint Health Strategic Clinical Network, Alberta Health Services.

For more information on physiotherapy services in Alberta go to Physiotherapy Services.

Current as of: August 28, 2023

Author: Bone and Joint Health Strategic Clinical Network, Alberta Health Services

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This material is not a substitute for the advice of a qualified health professional. This material is intended for general information only and is provided on an "as is", "where is" basis. Although reasonable efforts were made to confirm the accuracy of the information, Alberta Health Services does not make any representation or warranty, express, implied or statutory, as to the accuracy, reliability, completeness, applicability or fitness for a particular purpose of such information. Alberta Health Services expressly disclaims all liability for the use of these materials, and for any claims, actions, demands or suits arising from such use.

Having a Knee Replacement

Knee replacement surgery

Before your surgery

Day of surgery

After your surgery

Exercise, sports, and other activities

Resources

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Having a Knee Replacement

Exercises before surgery - Phase 1 exercises

Exercise 1: Ankle pumps

Exercise 2: Simple thigh squeezes

Exercise 3: Harder thigh squeezes

Exercise 4: Thigh lifts

Exercise 5: Knee straightening

Exercise 6: Knee bend

Exercise 7: Core stability

Exercise 8: Armchair push-ups

Exercise 9: Sitting knee bends

Exercise 10: Sitting knee straightening

Exercise 11: Standing knee bends

Exercise 12: Standing knee lift

Exercise 13: Mini knee bends (squats)

Exercise 14: Heel raises

Having a Knee Replacement