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Why does the back of my ankle hurt after I run?

Published in Running Injuries 5 mins read

Experiencing pain at the back of your ankle after running is a common issue for athletes, frequently stemming from Achilles tendinitis. This condition involves inflammation of the Achilles tendon, a strong band of tissue connecting your calf muscles to your heel bone, crucial for walking, running, and jumping.

Understanding Achilles Tendinitis

For runners, Achilles tendinitis is particularly common. The repetitive stress and overuse associated with running can lead to inflammation of the Achilles tendon, resulting in pain and stiffness at the back of the ankle. This discomfort often worsens with activity and may feel stiff in the morning or after periods of rest.

Common Symptoms of Achilles Tendinitis:

  • Pain: Aching or burning pain in the back of the ankle, just above the heel.
  • Stiffness: Especially noticeable in the morning or after prolonged rest.
  • Tenderness: The tendon may feel tender to the touch.
  • Swelling: Mild swelling around the tendon can occur.
  • Crepitus: A creaking or crackling sound or sensation when moving the ankle.

Why Runners Are Prone to Achilles Tendinitis

Runners place significant demands on their Achilles tendons. The repetitive impact and powerful push-off motions during running can overload the tendon, especially if training practices are not ideal.

Contributing Factors for Runners:

  • Sudden Increase in Training: Abruptly increasing mileage, speed, or intensity without proper conditioning.
  • Improper Footwear: Worn-out running shoes or shoes that don't provide adequate support can alter gait mechanics and stress the tendon.
  • Tight Calf Muscles: Inflexible calf muscles (gastrocnemius and soleus) can increase tension on the Achilles tendon.
  • Poor Running Form: Overstriding, running on toes too much, or other biomechanical inefficiencies can strain the tendon.
  • Insufficient Warm-up/Cool-down: Skipping dynamic warm-ups before runs or static stretches afterward can leave muscles and tendons unprepared or tight.
  • Hill Running: Repeated uphill running can put extra strain on the Achilles tendon due as it requires more ankle dorsiflexion and calf engagement.

Managing and Preventing Ankle Pain After Running

Addressing Achilles pain early is key to preventing it from becoming a chronic issue.

Immediate Self-Care (RICE Method)

For acute pain and inflammation, the RICE method is a helpful first step:

  • Rest: Reduce or stop activities that aggravate the pain. Give your tendon time to heal.
  • Ice: Apply ice packs to the affected area for 15-20 minutes, several times a day, to reduce inflammation and pain.
  • Compression: Use an elastic bandage to gently compress the area, which can help minimize swelling.
  • Elevation: Elevate your foot above your heart when resting to help reduce swelling.

Long-Term Strategies for Recovery and Prevention

Implementing these strategies can help you recover and prevent future occurrences of Achilles tendinitis:

  • Stretching: Regularly stretch your calf muscles and Achilles tendon. Examples include:
    • Calf Stretch: Lean against a wall with one leg back, heel on the ground, feeling the stretch in your calf.
    • Eccentric Heel Drops: Stand on a step with your heels off the edge. Slowly lower your heels below the level of the step, then use your good leg to push back up. Repeat focusing on the lowering phase.
  • Strengthening: Strengthen your calf muscles and surrounding leg muscles to support the tendon.
  • Proper Footwear: Wear supportive running shoes that are appropriate for your foot type and gait. Replace shoes regularly (typically every 300-500 miles). Consider shoe inserts or orthotics if recommended by a professional.
  • Gradual Training Progression: Increase your running mileage, intensity, or speed by no more than 10% per week. This allows your body to adapt.
  • Cross-Training: Incorporate low-impact activities like swimming or cycling to maintain fitness without overstressing the Achilles.
  • Listen to Your Body: Don't push through pain. If you feel discomfort, reduce your activity or take a rest day.

Prevention Tips at a Glance

Prevention Tip Description
Warm-up & Cool-down Prepare muscles before and stretch after runs.
Gradual Progression Increase mileage/intensity slowly (10% rule).
Proper Footwear Use supportive shoes; replace regularly.
Calf Flexibility Consistent stretching to maintain good range of motion.
Strength Training Fortify calf and leg muscles to absorb impact.
Listen to Your Body Rest when needed; don't run through pain.

When to Seek Medical Attention

While many cases of Achilles tendinitis can be managed with self-care, it's important to consult a healthcare professional, such as a doctor or physical therapist, if:

  • Your pain is severe or suddenly worsens.
  • You cannot put weight on your foot.
  • The pain doesn't improve after several weeks of self-care.
  • You notice a popping sound or sensation, which could indicate a ruptured Achilles tendon—a serious injury requiring immediate medical attention.

A professional can accurately diagnose your condition, rule out other potential causes (like retrocalcaneal bursitis or a stress fracture), and recommend a tailored treatment plan, which may include physical therapy, specific exercises, or other interventions. For more detailed information on Achilles tendinitis and its management, you can refer to reputable sources like the Mayo Clinic or the American Academy of Orthopaedic Surgeons.