How to Fix Medial Knee Pain: Inside Knee Pain Guide
Learn how to fix pain on the inside of your knee with targeted exercises addressing common causes like MCL strain, pes anserine bursitis, and meniscus issues.
How to Fix Medial Knee Pain: Inside Knee Pain Guide
Pain on the inside of your knee (medial knee pain) has several possible causes, but most respond well to targeted exercises and activity modifications. Understanding what's causing your pain is the first step to fixing it.
This guide covers:
- Common causes of medial knee pain
- How to identify yours
- Exercises that help each condition
- When to seek professional help
Common Causes of Medial Knee Pain
MCL Strain
What it is: The medial collateral ligament runs along the inside of your knee, connecting thigh bone to shin bone. It can be stretched or torn.
Causes: Blow to outside of knee, twisting injury, sudden direction change
Symptoms:
- Pain directly on inner knee
- Swelling along MCL
- Instability with side-to-side stress
- Often a specific injury event
Pes Anserine Bursitis/Tendinopathy
What it is: Three tendons (sartorius, gracilis, semitendinosus) attach at the pes anserine on the inner shin, just below the knee. The bursa here can become inflamed.
Causes: Overuse, tight hamstrings, running, going up/down stairs
Symptoms:
- Pain below and inside of kneecap
- Tender to touch
- Worse with stairs
- Gradual onset, often from overuse
Medial Meniscus Tear
What it is: The meniscus is cartilage that cushions the knee. The medial meniscus can tear from twisting or degeneration.
Symptoms:
- Deep pain inside knee
- Clicking, catching, or locking
- Swelling
- Pain with twisting or deep squatting
- May have had a specific injury
Knee Osteoarthritis
What it is: Wear and tear on the joint cartilage, often affecting the medial compartment first.
Symptoms:
- Gradual onset
- Morning stiffness
- Worse with activity, better with rest
- May have bone-on-bone feeling
- More common over age 50
Medial Plica Syndrome
What it is: Irritation of a fold in the knee's synovial membrane.
Symptoms:
- Clicking or snapping
- Dull ache inside knee
- May feel a band catching
- Worse with stairs or prolonged sitting
Identifying Your Cause
Location Clues
Directly on the inner side of the joint line: MCL, meniscus
Below the joint, on the upper inner shin: Pes anserine
Above the joint, lower inner thigh: Adductor or VMO issue
Symptom Clues
Specific injury event: Likely MCL or meniscus
Gradual onset with overuse: Likely pes anserine or tendinopathy
Catching or locking: Likely meniscus
Morning stiffness improving with movement: Likely arthritis
Tender spot below kneecap on inner shin: Likely pes anserine
General Exercises for Medial Knee Pain
These exercises help most causes of medial knee pain by strengthening surrounding muscles and improving mechanics.
VMO Strengthening
The vastus medialis oblique (inner quad) helps stabilize the knee.
Terminal knee extension:
- Band behind knee, anchored in front
- Start with slight knee bend
- Straighten knee against resistance
- Squeeze quad hard at end
- 20 reps, 3 sets
Short arc quad:
- Rolled towel under knee
- Straighten knee, lifting foot
- Hold 5 seconds
- 15 reps, 3 sets
Hip Strengthening
Weak hips contribute to knee valgus stress on the medial knee.
Clamshells:
- Side-lying, knees bent
- Open top knee, keep feet together
- 15-20 per side, 3 sets
Side-lying leg raises:
- Lie on side
- Lift top leg toward ceiling
- 15-20 per side, 3 sets
Single-leg glute bridge:
- On back, one leg extended
- Bridge on working leg
- 10-12 per side, 3 sets
Hamstring Flexibility
Tight hamstrings increase pes anserine stress.
Hamstring stretch:
- Foot on chair, leg straight
- Hinge forward at hips
- 45-60 seconds per side
Lying hamstring stretch:
- On back, strap around foot
- Raise leg, keeping knee straight
- 45-60 seconds per side
Condition-Specific Approaches
For MCL Strain
Phase 1 (Acute - Week 1-2):
- RICE: Rest, Ice, Compression, Elevation
- Limit painful movements
- Gentle range of motion
- May need brace for instability
Phase 2 (Healing - Week 2-4):
- Begin quad strengthening (above)
- Hip strengthening
- Gentle hamstring stretching
- Progressive weight bearing
Phase 3 (Return - Week 4+):
- Progress to single-leg work
- Lateral movements
- Sport-specific training
- Return to activity when pain-free
For Pes Anserine Bursitis
Priority: Reduce irritation, then strengthen
Reduce irritation:
- Ice after activity (15-20 minutes)
- Avoid stairs and deep knee bends temporarily
- Sleep with pillow between knees
- Stretch hamstrings gently
Strengthen:
- Hip abductors (reduce valgus stress)
- VMO
- Hamstrings (eccentric work)
Stretch:
- Hamstrings: 45-60 seconds, 3x daily
- Hip adductors: 45-60 seconds
For Meniscus Issues
If catching/locking present: See a professional for evaluation.
Conservative management:
- Avoid deep squatting and twisting
- Strengthen quads and hips
- Maintain range of motion
- Progress activity gradually
Exercises:
- Straight leg raises
- Short arc quads
- Hip strengthening
- Partial squats (pain-free range only)
For Knee Arthritis
Key principles:
- Movement is medicine (don't stop)
- Low-impact exercise
- Strengthen surrounding muscles
- Maintain flexibility
Helpful exercises:
- Walking, cycling, swimming
- Quad strengthening
- Hip strengthening
- Gentle range of motion daily
Daily Protocol
Morning (5 minutes)
- Gentle knee bends: 10 reps
- Quad sets: 10 reps (squeeze quad, hold 5 seconds)
- Hamstring stretch: 30 seconds each
- Hip circles: 10 each direction
Strengthening (Every Other Day)
- Terminal knee extension: 3x15
- Short arc quads: 3x15
- Clamshells: 3x15 each
- Side-lying leg raises: 3x15 each
- Single-leg glute bridge: 3x10 each
- Mini squats (pain-free range): 2x15
Stretching (Daily)
- Hamstring stretch: 45 seconds each side
- Quad stretch: 30 seconds each side
- Hip flexor stretch: 30 seconds each side
Evening
- Ice if needed: 15-20 minutes
- Gentle range of motion
Activity Modifications
Running
- Reduce mileage temporarily
- Avoid cambered surfaces
- Shorten stride
- Strengthen hips before returning fully
Stairs
- Lead with uninvolved leg going up
- Lead with involved leg going down
- Use railing for support
Squatting
- Limit depth to pain-free range
- Keep knees tracking over toes
- Don't let knee cave inward
- Consider widening stance
Kneeling
- Use padding
- Avoid prolonged kneeling
- Rise slowly
When to Seek Help
See a Professional If:
- Significant swelling after injury
- Knee gives way or feels unstable
- Catching or locking sensation
- Unable to bear weight
- No improvement after 2-3 weeks of self-care
- Pain at rest or at night
What They Might Do:
- Physical examination
- X-ray (for arthritis, fracture)
- MRI (for meniscus, ligament)
- Physical therapy referral
- Injection (corticosteroid or PRP)
- Surgery (rare, for significant tears)
Prevention
Ongoing Strength Work
- Quad strengthening: 2-3x per week
- Hip strengthening: 2-3x per week
- Hamstring flexibility: Daily
Movement Quality
- Keep knees tracking over toes
- Avoid knee valgus (inward collapse)
- Land softly from jumps
- Avoid sudden direction changes
Training Principles
- Progress gradually (10% rule)
- Include rest days
- Address imbalances
- Don't ignore early warning signs
The Bottom Line
Medial knee pain has several causes, but most respond well to:
- Identify the cause: Location and symptoms guide treatment
- Reduce irritation: Ice, modify activities, avoid aggravating movements
- Strengthen: VMO, hips, and hamstrings
- Stretch: Hamstrings especially
- Progress gradually: Return to activity slowly
- Seek help if needed: For significant injuries or no improvement
Most medial knee pain improves in 4-8 weeks with consistent exercise and activity modification. The key is addressing the underlying weakness and avoiding movements that aggravate the condition.
Your inner knee can heal. Give it the right exercises and time.
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