Knee Strengthening Exercises & Stretches for Knee Pain

August 3, 2024
OrthoNJ

Basic Knee Strengthening Exercises

Strengthening the muscles around your knee is essential for maintaining joint stability and preventing injuries.

Here are some basic knee-strengthening exercises that you can do at home:

Quadriceps Sets

  • How to Do It: Sit or lie down with one leg extended. Push the back of your knee down into the floor to tighten the muscles on the top of your thigh. Hold for 5 seconds, then relax.
  • Repetitions: 10-15 times per leg
  • Benefits: This exercise strengthens the quadriceps, which support the knee joint.

Hamstring Curls

  • How to Do It: Stand behind a chair and hold onto it for balance. Bend one of your knees and bring your heel toward your buttocks as far as you can without causing pain. Hold for a few seconds, then lower the leg back down.
  • Repetitions: 10-15 times per leg
  • Benefits: These exercises strengthen the hamstrings and the muscles on the back of the thigh.

Straight Leg Raises

  • How to Do It: Start by lying on your back. Bend one leg and keep the other straight. Tighten the muscles of your straight leg, and then lift it to the same height as your bent knee. Hold for a few seconds, then slowly lower it back down.
  • Repetitions: 10-15 times per leg
  • Benefits: Strengthens the quadriceps without placing much strain on the knee joint.

Step-Ups

  • How to Do It: Use a step or a low platform. Step one foot up onto the platform, then take your other foot and step it up to meet it. Step back down one foot at a time and repeat.
  • Repetitions: 10-15 times per leg
  • Benefits: This exercise strengthens the quadriceps, hamstrings, and glutes while improving balance.

Wall Sits

  • How to Do It: Stand with your back against a wall, feet shoulder-width apart. Slide your torso down the wall slowly until your knees are bent at a 90-degree angle as if you are sitting in a chair. Hold this position for as long as you are comfortable.
  • Duration: Start with 10-15 seconds and gradually increase as strength improves.
  • Benefits: Builds endurance in the quadriceps and engages the core muscles.

Calf Raises

  • How to Do It: Stand with your feet hip-width apart. Slowly rise onto the balls of your feet as you lift your heels as high as possible. Hold for a few seconds, then lower back down.
  • Repetitions: 10-15 times
  • Benefits: Strengthens the calf muscles, which support the knee and ankle joints.

Tips for Effective Knee Strengthening Exercises

Always warm up before starting knee strengthening exercises to reduce the risk of injury. Light cardio, such as walking or cycling for a few minutes, can be an effective warmup.

Focus on your form too. Proper form is always crucial to avoid strain or injury. Start with fewer repetitions and focus on technique before increasing intensity. Make sure you listen to your body. Stop and consult a healthcare professional if an exercise causes pain (beyond normal muscle fatigue).


You don't have to stay in pain. Contact one of our ONJ divisions to schedule an appointment.

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Stretches for Knee Pain Relief

In addition to knee strengthening exercises, stretching is crucial for maintaining flexibility and relieving knee pain.

Here are some effective stretches for knee pain that target the muscles around the knee:

Quadriceps Stretch

  • How to Do It: Stand upright and hold onto a chair or wall for balance. Bend one knee. With your hand, gently pull your heel towards your buttocks and ankle towards your body. Keep your knees close together and avoid arching your back.
  • Hold: 20-30 seconds per leg
  • Benefits: Stretches the quadriceps, the muscles at the front of the thigh, reducing tension on the knee joint.

Hamstring Stretch

  • How to Do It: Sit down on the floor with one of your legs extended straight and your other leg bent so the bottom of your foot rests against your inner thigh on your extended leg. Lean forward from the hips towards the extended leg, keeping your back straight. Reach towards your toes, feeling the stretch along the back of your thigh.
  • Hold: 20-30 seconds per leg
  • Benefits: Stretches the hamstrings, the muscles at the back of the thigh, which can help to alleviate your knee pain.

Calf Stretch

  • How to Do It: Stand facing a wall. Place your hands on the wall at the height of your shoulders and step one foot back, keeping it straight and pressing the heel into the ground. Bend your front knee slightly and keep your back leg straight.
  • Hold: 20-30 seconds per leg
  • Benefits: Stretches the calf muscles, which can help relieve tightness that may affect knee comfort.

IT Band Stretch

  • How to Do It: Stand upright. Cross one of your legs behind the other and lean towards the opposite side. For example, if you cross your right leg behind your left, lean to the left. You should feel a stretch along the outer side of your thigh.
  • Hold: 20-30 seconds per side
  • Benefits: Stretches the iliotibial (IT) band, which runs along the outside of the thigh and can contribute to knee pain if tight.

Hip Flexor Stretch

  • How to Do It: Kneel on one knee with the other foot in front, forming a 90-degree angle with both legs. Push your hips forward, keeping your back straight and the pelvis tilted slightly under. You should feel a stretch in the front of the hip on the kneeling side.
  • Hold: 20-30 seconds per side
  • Benefits: Stretches the hip flexors, which can alleviate knee pain caused by muscle imbalances.

Butterfly Stretch

  • How to Do It: Sit on the floor and bring the bottoms of your feet together, letting your knees relax out to the sides. Hold your feet with your hands as you gently press your knees towards the ground.
  • Hold: 20-30 seconds
  • Benefits: This exercise stretches the inner thighs and groin area, helping to improve flexibility in your hips and knees.

Tips for Effective Stretches for Knee Pain

Always warm up before doing stretches for knee pain relief. Much like with your knee strengthening exercise, warming up with light activity, like walking or cycling for a few minutes, can be a great place to start.

You should always stretch gently; stretching should not be painful. Go to the point of mild tension, not pain, and hold the stretch without bouncing.

Focus on keeping your breathing steady and deep while holding each stretch; doing this can help you relax and deepen the stretch. Stretches for knee pain should be done regularly, ideally daily, to maintain flexibility and relieve tension in your muscles.


Why Choose an OrthoNJ Knee Doctor for Your Care?

OrthoNJ is different from your typical medical provider. Unlike many in the industry, we prioritize patient care over profits. Our six divisions work collaboratively to ensure the best outcomes for our patients. We believe in the "Power to Put Patients First," our doctors and divisional partners strive to uphold this commitment to our patients in every aspect of our medical care.

  • With over 120 fantastic physicians, all board-certified, board-qualified, or fellowship-trained, OrthoNJ offers top-tier expertise across a wide range of specialties.
  • We serve over 250 communities throughout New Jersey, providing treatment and continuing care for various orthopedic needs.
  • With more than 30 statewide offices, our reach extends across the entire state. Whether in North Jersey, South Jersey, or anywhere between, OrthoNJ proudly serves you.

Incorporating these knee strengthening exercises and stretches for knee pain into your routine can strengthen the muscles around the knee, improving stability and potentially reducing the occurrence of knee popping or other discomforts. Always consult with a healthcare provider or physical therapist before starting a new exercise regimen, especially if you have existing knee conditions.

Knee doctor showing patient stretches for knee pain
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