Shin Splints
Overuse pain along the shin bone
Quick Facts
- Type: Overuse injury of the lower leg
- Location: Along the inner shin bone
- Common in: Runners, dancers, new exercisers
- Main treatment: Rest and gradual return to activity
Overview
Shin splints, known medically as medial tibial stress syndrome, describe pain along the inner edge of the shin bone (tibia). The pain comes from overuse and repeated stress on the muscles, tendons, and the thin layer of tissue covering the bone in the lower leg.
Shin splints are especially common in runners, dancers, and people who suddenly increase their physical activity. The condition is usually not serious and improves with rest and adjustments to training. However, ignoring shin pain and continuing to push through it can sometimes lead to a stress fracture, so the pain should be respected.
Symptoms
The main symptom is pain along the shin, typically the inner part of the lower leg.
- Aching, throbbing, or tender pain along the inner shin bone
- Pain that begins during or after exercise
- Tenderness or mild swelling along the lower leg
- Pain that eases with rest, at least early on
- As it worsens, pain may become more constant or start earlier in activity
Pain that is sharp, focused on one small spot, or that continues at rest can suggest a stress fracture and should be evaluated.
Causes
Shin splints develop when the lower leg is overloaded faster than it can adapt.
- Sudden increase in activity: Ramping up running distance, intensity, or frequency too quickly
- Repetitive impact: Running or jumping, especially on hard surfaces
- Foot mechanics: Flat feet or feet that roll inward put extra stress on the shin
- Worn or improper footwear: Shoes that lack support or cushioning
- Tight or weak leg muscles: Which place more strain on the shin
Risk Factors
- Running, especially with recent increases in mileage
- Starting a new or more intense exercise program
- Flat feet or high arches
- Exercising on hard or uneven surfaces
- Worn-out or unsupportive shoes
- Participation in sports with frequent running and jumping
Diagnosis
Shin splints are usually diagnosed from the history and a physical exam.
- Examination: A clinician presses along the inner shin to locate tenderness and asks about training and footwear.
- Ruling out a stress fracture: If pain is very localized or severe, imaging such as an X-ray, bone scan, or MRI may be done.
- Assessing foot mechanics: Looking at gait and arch shape to identify contributing factors.
Treatment
Most shin splints heal with rest and conservative care.
- Rest and activity modification: Reducing or pausing the activity that caused the pain and switching to low-impact exercise such as swimming or cycling.
- Ice: Applying ice to the shin to reduce pain and swelling.
- Pain relief: Over-the-counter pain relievers when needed.
- Supportive footwear and orthotics: Good shoes and arch supports to correct foot mechanics.
- Stretching and strengthening: Calf and lower-leg exercises once pain settles.
- Gradual return: Slowly building activity back up to avoid recurrence.
Recovery often takes a few weeks. Returning to full activity too soon is a common reason shin splints come back.
Prevention
Shin splints are often preventable with sensible training habits:
- Increase activity gradually, by no more than a modest amount each week
- Wear supportive, well-fitting shoes and replace them when worn
- Warm up before exercise and stretch the calves
- Strengthen the lower legs and core
- Run on softer surfaces when possible and vary your routine
- Use arch supports if you have flat feet or overpronation
When to See a Doctor
See a doctor if shin pain persists despite rest, keeps returning, or interferes with daily activity. Medical evaluation is also wise if the pain is sharp, focused on a single spot, or continues even when you are not active, since these can suggest a stress fracture.
Seek prompt care if the shin is hot, swollen, or red, if you have severe pain or cannot bear weight, or if there is sudden swelling and calf pain, which could indicate a different problem such as a fracture or a blood clot that needs urgent assessment.
Frequently Asked Questions
What causes shin splints?
They are caused by overuse that overloads the muscles, tendons, and bone tissue of the lower leg. Common triggers include increasing running distance or intensity too quickly, hard surfaces, poor footwear, and flat feet.
How long do shin splints take to heal?
With rest and reduced activity, shin splints often improve over a few weeks. Returning to full activity too soon is a common reason they come back, so a gradual return is important.
Can I keep running with shin splints?
It is best to reduce or pause running and switch to low-impact exercise like swimming or cycling while the pain settles. Continuing to run through shin pain can worsen the injury and may lead to a stress fracture.
How are shin splints different from a stress fracture?
Shin splints cause aching pain spread along the inner shin that often eases with rest, while a stress fracture causes sharp pain focused on one small spot that may persist at rest. Pain that is very localized or constant should be evaluated with imaging.
When should shin pain be checked by a doctor?
See a doctor if the pain persists despite rest, keeps returning, or is sharp and focused on one spot. Seek prompt care if the shin is hot, swollen, or red, you cannot bear weight, or there is sudden calf swelling and pain.
References
- American Academy of Orthopaedic Surgeons (OrthoInfo). Shin Splints.
- Mayo Clinic. Shin splints.
- MedlinePlus, U.S. National Library of Medicine. Shin splints.