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10 Of the Best Strengthening Exercises For Knee Pain

10 Of the Best Strengthening Exercises For Knee Pain
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1. Wall Slides


Strengthens the quadriceps and the tissues and ligaments above your knee.

How to do them: Stand 12-18 inches from a wall and lean back until your entire back contacts the wall. Place your hands out to your sides with your palms facing the wall for support. Slowly slide down the wall until your knees reach a 30-degree angle and hold this position for 10-15 seconds, slowly return to the upright position and repeat a minimum of 5-10 times.

Cautions: Do not lower your body to the point that your knees extend beyond your toes, if they do, stop and reposition your feet slightly further from the wall.

2. Seated Straight-leg Raises

Strengthens the quadriceps and hip flexors.

How to do them: Start by placing two chairs facing each other, sit in one, and place one foot on the other. Now straighten that leg and lift your foot 4-6 inches off of the chair and hold for a minimum of 5-10 seconds and then relax. Perform this exercise 5-10 times for each leg and try to extend the time you hold your foot off the chair.

Variations: If chairs are not available, you can perform this exercise flat on the floor with one leg straight and the opposite leg bent with your foot flat on the floor. As you become stronger, you can add an ankle weight to increase the difficulty.

3. Seated Bent-leg Raises

Strengthens the quadriceps just above the knee and the ligaments surrounding the joint.

How to do them: While seated in a chair, straighten one leg in front of you but stop just short of locking the knee. Hold the elevated leg in this position for one minute, this will also involve and strengthen your hip flexors. Now without moving your thigh, bend at the knee until your leg forms a 45-degree angle and hold this position for an additional 30 seconds. Relax and repeat with the opposite leg. Alternate until you have completed 4 repetitions for each leg.

4. Abductor raises

Strengthens the abductors, the muscles that move your leg away (abduct) from your centerline.

How to do them: Lie on your side with your legs together and your arm bent at the elbow and supporting your head. Bend the lower leg at the knee to support your body and while keeping it straight, lift the (top) upper leg slowly up and away from the mat. Hold at the top for 5-10 seconds, slowly lower, and repeat for 12-15 repetitions.

Cautions: Don’t swing or throw the leg up, avoid using momentum. Slowly lift, hold, lower, and repeat. Once you become stronger, consider adding an ankle weight.

5. Standing Hamstring Curls


Strengthens your hamstrings and the tissues behind your knee.

How to do them: Stand against the back of a chair or low wall and bend one knee as you bring that foot up toward your buttocks. Focus on keeping that knee pointed down toward the floor throughout the movement. Hold the foot up near your buttocks for 5-10 seconds and then slowly lower your foot until it almost touches the floor and repeat for 12-15 repetitions and work up to 1-3 sets for each leg. Again, as you get stronger you can add an ankle weight to increase the difficulty and effectiveness.

6. Step-ups

Strengthens your entire lower body and all of the muscles that support your knees.

How to do them: Step-ups simulate stair climbing, stand in front of a sturdy box, bench or step 12 to 18 inches high and place one foot on the step and slowly step up while keeping your knee aligned over your foot. Step up with the other foot until you are standing on your step and then step one foot back and down and then the other. The sequence should be – up, up, down, down. As you get stronger you can increase your step height and difficulty. Perform your step-ups for a minimum of 1 minute and gradually increase your times with each workout.

Cautions: If you experience knee pain or cannot maintain a steady pace for your desired time, decrease your step height.

7. Stationary Bike


Strengthens hamstrings and knee ligaments while increasing range of motion without impact.

How to do them: Your seat must be set at the correct height in order to bike safely and effectively, too high and your hips will wobble, too low and you may injure your knees and shorten your muscles (and range of motion). Ensure that when your foot is at the bottom of your pedal stroke, your leg is almost straight, but the knee maintains a 15-degree angle. Your initial cycling goal should be 10 minutes a day at light resistance and add an extra minute each day until you reach your daily goal.

8. Quad clenches

Strengthen the ligaments and tissues surrounding the knee and the quadriceps muscle attachments.

How to do them: This isometric exercise strengthens the area around the knee without actually moving the leg or knee and helps promote full straightening of the knee. While lying flat on your back or sitting upright on the floor or bed, hold your leg and knee straight as you tighten your quadriceps muscle on the front of the thigh and focus on pushing your knee down as you “lock” your knee straight. You will see your kneecap move upward as you tighten (clench) your thigh muscles. Hold for a minimum of 3 seconds and perform 12-15 repetitions for each leg.

9. Short arcs

Strengthens your quadriceps and surrounding ligaments, a good knee rehabilitation exercise following a knee injury or surgery.

How to do them: While lying flat or seated on the floor or in bed, roll up a towel and place it under your knee. Concentrate on pulling your toes towards your body as you tighten your quadriceps and slowly lift your foot slightly off the bed. Maintain knee contact with your rolled towel and hold your foot up for 3-5 seconds and repeat 10-15 times for each knee. To increase the difficulty and effectiveness, use a thicker rolled towel and later, an ankle weight.

10. Seated Knee Marching


Strengthens your quadriceps while increasing your knee’s flexibility and range of motion. Another good rehabilitation exercise for an injured knee joint.

How to do them: While seated in a chair, place both feet flat on the floor in front of you. Lift one knee and foot slowly as you point the knee toward the ceiling, lower, and repeat with the opposite leg. You are marching with “high” knees while seated to avoid pressure and weight-bearing.

Continue for a minimum of 1 minute and perform this exercise any time you feel stiffness in your knees. Read More


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