Knee Pain Exercises: 10 Moves a Corrective Coach Uses

The best knee pain exercises strengthen the muscles that control the knee, mainly the quads, glutes and calves, while keeping the joint moving through a range that feels okay. Glute bridges, wall sits, step-ups and side-lying leg raises done three times a week are a solid place to start.

As a NASM corrective exercise specialist, I rarely look at a sore knee on its own. The knee sits between the hip and the ankle, and it often takes the blame for problems that start above or below it. That is why the routine below works on all three.

Why Knees Hurt During Everyday Movement

Most common knee aches come from load the joint isn’t ready for. A busy week of stairs, a new running plan, or long hours sitting can all push the tissues around the knee past what they currently tolerate.

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The knee is mostly a hinge. It bends and straightens well, but it doesn’t love twisting or caving inward under load. When the hip muscles are weak, the thigh tends to drop inward on steps and squats, and the kneecap ends up tracking under more stress.

The ankle plays its part too. A stiff ankle that can’t bend forward easily forces the knee to move more than it should when you squat, walk downhill or take stairs.

Strong thigh muscles act like shock absorbers. When the quads are weak, more of each step’s force goes straight into the joint. Building them back is one of the most reliable ways to calm common knee pain.

Should You Exercise or Rest a Sore Knee?

For everyday aches with no injury behind them, gentle exercise usually wins. Full rest makes the muscles weaker and the knee stiffer, which can leave it more sensitive the next time you load it.

A simple traffic light rule helps. Discomfort up to about 3 out of 10 during exercise is a green light, as long as it settles within a day. Pain around 4 to 5 out of 10 is yellow, so reduce the range, reps or load. Anything sharper is red, so stop that move for now.

Knee Pain Exercises: The 10-Move Routine

Do these knee pain exercises in order, three days a week, with a day off between sessions. Start with the lower rep numbers, move slowly, and breathe normally. Every move can be made easier, so adjust before you skip it.

1. Quad Sets (2 Sets of 10)

Sit on the floor with your legs straight and a rolled towel under the sore knee. Tighten the front of your thigh to press the back of the knee into the towel, hold for 5 seconds, then relax.

This wakes up the quads without bending the joint at all. It’s a good first move on a day when your knee feels cranky.

2. Straight Leg Raises (2 Sets of 10 Each Side)

Lie on your back with one knee bent and the other leg straight. Tighten the straight leg’s thigh, then lift it to the height of the bent knee and lower it slowly.

Keep the knee fully straight the whole time. If your lower back arches, bend the other knee a little more.

3. Glute Bridges (2 Sets of 12)

Lie on your back with knees bent and feet flat, about hip-width apart. Press through your heels to lift your hips until your body forms a line from shoulders to knees, pause for 2 seconds, then lower.

Bridges train the glutes and hamstrings, the muscles that help keep the thigh from collapsing inward. You should feel them in your seat, not your lower back.

4. Side-Lying Leg Raises (2 Sets of 12 Each Side)

Lie on your side with your bottom knee bent and top leg straight. Turn your top toes slightly toward the floor and lift the leg about a foot, then lower it with control.

This targets the glute medius at the side of your hip. In my corrective exercise work, it is one of the most common weak links behind knees that cave in.

5. Clamshells with a Band (2 Sets of 15 Each Side)

Lie on your side with a loop band just above your knees, hips and knees bent. Keep your feet together and open your top knee like a clamshell without rolling your hips back.

Clamshells pair well with side-lying leg raises. Together they build the hip control that keeps your knee lined up over your foot.

6. Wall Sits (3 Holds of 20 to 30 Seconds)

Lean your back against a wall and slide down until your knees are bent to a comfortable angle, as shallow as needed. Keep your knees over your toes and your weight in your heels.

Holding a position like this, called an isometric, often eases knee pain in the moment while it builds quad strength. Only go as deep as feels okay.

7. Sit-To-Stand from a Chair (2 Sets of 8 to 10)

Sit near the front of a sturdy chair with feet hip-width apart. Lean slightly forward and stand up without using your hands, then sit back down slowly, taking about 3 seconds to lower.

This is the most practical knee exercise there is. Use a higher seat or a cushion if a standard chair is too deep for now.

8. Step-Ups (2 Sets of 8 Each Side)

Stand facing a low step or the bottom stair. Place your whole foot on the step, push through that heel to stand up tall, then step down slowly with the other foot.

Start with a step of 4 to 6 inches and keep the working knee pointing over your second toe. My guide to step-ups covers more form cues.

9. Calf Raises (2 Sets of 15)

Stand holding a counter for balance and rise up onto the balls of your feet, then lower slowly. Progress to one leg at a time when two feels easy.

Strong calves share the work of absorbing each step. They also help with going downstairs, which is often where sore knees complain most.

10. Ankle Rocks (1 Set of 10 Each Side)

Kneel in a half-kneeling position facing a wall, front foot a few inches away. Keeping your heel down, gently rock your front knee toward the wall, then back.

Better ankle bend lets your knee move in a more natural path when you squat, walk downhill or take stairs.

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How the Moves Fit Together

Each exercise in the routine has a clear job. Use this table to see which ones to prioritize when you are short on time.

Knee Pain Exercises to Avoid for Now

Very few exercises are bad forever. Some are simply too much while your knee is sensitive, and you can bring them back once you’re stronger.

1. Deep squats under load. Keep squats shallow and controlled for a few weeks. My guide on how to squat shows how to build depth gradually.
2. Jumping and plyometrics. Box jumps and jump squats put large, fast forces through the knee.
3. Forward lunges. They load the front knee hard. Reverse lunges and split squats are usually kinder, as covered in how to do lunges without knee pain.
4. Long sessions on a full leg extension machine. Light, short-range work can be fine, but heavy reps through full range often aggravate the front of the knee.
5. Twisting under load. Pivoting sports and fast changes of direction can wait until the knee feels solid again.

If gym training is your goal, my guide to strength training with bad knees shows how to adapt lifts rather than drop them.

How Long Before Knee Exercises Help?

Most people feel a little easier within 2 to 3 weeks, mainly because moving calms a sensitive joint. Real strength gains in the thigh and hip usually take 6 to 8 weeks of steady work.

Keep a simple log of each session. Writing down how your knee feels the morning after is the best guide to whether to progress or hold steady.

When to See a Doctor

Common knee aches respond well to exercise, but some signs point to an injury or condition that needs a proper exam first.

See your doctor or a physical therapist if your knee swells quickly, locks or catches, gives way, can’t take weight, or hurts after a fall or twist. The same goes for a knee that is hot and red, pain with fever, or pain that wakes you at night.

Quick Questions

Your This-Week Plan

1. Day 1: Do the full 10-move routine at the lower rep numbers and note how your knee feels.
2. Day 2: Take a 15 to 20 minute walk on flat ground and check your knee the next morning.
3. Day 3: Repeat the routine. Add a few reps to any move that felt easy.
4. Day 4: Rest, or do ankle rocks and quad sets only.
5. Day 5: Repeat the routine and try a slightly higher step for step-ups if your knee is calm.
6. Days 6 and 7: Walk, stretch gently, and plan next week’s three sessions.

This guide is part of my knee pain and knee-friendly workouts guide, where you’ll find routines for stairs, squats, runner’s knee and stiff, achy knees.

The Bottom Line

Knee pain exercises work best when they train the whole leg. Strong quads, glutes and calves, plus a mobile ankle, take pressure off the knee and help it line up better with every step.

Start gently, follow the pain rule, and give the routine six to eight weeks. If your knee arthritis is the main issue, my guide to the best exercises for knee osteoarthritis builds on the same ideas.

This article is for general education and isn’t medical advice. If your knee pain follows an injury, or comes with swelling, locking, giving way, redness, fever, or pain at night, see your doctor or a physical therapist before starting these exercises, and stop any move that causes sharp pain.