Knee pain can make walking, climbing stairs, exercising, and everyday activities difficult. While not every knee problem can be prevented, keeping the muscles around your knees strong and maintaining flexibility can help support healthy movement.
The quadriceps, hamstrings, glutes, and other supporting muscles all play an important role in knee function.
Here are 7 simple exercises that can help strengthen and condition the muscles that support your knees.
1. Straight Leg Raises
Lie on your back with one knee bent and the other leg straight. Tighten the thigh of your straight leg and slowly lift it. Hold briefly, then lower it with control.
Why it helps: Strengthens the quadriceps while keeping the knee relatively straight.
2. Hamstring Curls
Stand while holding a chair or stable surface for support. Bend one knee, bringing your heel toward your buttocks, then slowly lower your foot.
Why it helps: Strengthens the hamstrings, which help support knee movement.
3. Wall Squats
Stand with your back against a wall and slowly bend your knees into a comfortable squat position. Hold briefly and return to standing.
Why it helps: Builds strength in the quadriceps, glutes, and other muscles involved in lower-body movement.
4. Step-Ups
Use a low, stable step. Step up with one foot, bring the other foot up, and then step down carefully. Repeat on both sides.
Why it helps: Strengthens the muscles used for walking, stairs, and everyday activities.
5. Calf Raises
Stand behind a chair for balance. Slowly rise onto your toes, hold for a moment, and lower your heels back down.
Why it helps: Strengthens the calf muscles and supports lower-leg function.
6. Calf Stretch
Stand facing a wall with one leg behind you. Keep the back heel on the floor and gently move your hips forward until you feel a stretch in your calf.
Why it helps: Maintaining flexibility in the calf muscles can support healthy lower-limb movement.
7. Standing Quadriceps Stretch
Hold a wall or chair for balance. Bend your knee and gently bring your heel toward your buttocks. Hold the stretch comfortably before releasing.
Why it helps: Helps maintain flexibility in the quadriceps.
Tips for Healthy Knees
Exercise is only one part of maintaining healthy knees. Keep these simple habits in mind:
- Warm up before exercising.
- Increase activity gradually.
- Focus on controlled movements.
- Maintain strength and flexibility.
- Choose activities appropriate for your fitness level.
- Don’t exercise through significant pain.
AAOS recommends warming up with 5–10 minutes of low-impact activity before knee conditioning exercises and advises stopping and discussing the exercise with a healthcare professional if it causes pain.
When Should You See a Physical Therapist?
If you already have persistent knee pain, swelling, stiffness, weakness, or difficulty with everyday activities, don’t simply push through it.
A physical therapist can assess your movement, strength, flexibility, and activity needs and develop an individualized exercise and rehabilitation program.
Keep Your Knees Strong. Keep Moving.
You don’t have to wait for knee pain to interfere with your favorite activities. Building strength, maintaining flexibility, and learning proper movement can help you stay active and support long-term joint health.
If you’re experiencing knee pain or want guidance on the right exercises for your body, schedule an evaluation with a physical therapist.