Overview
Bowlegs are normal under age 2; knock knees are common at ages 3 to 7.
Toe walking is common in toddlers. Ongoing toe walking after age 3 needs a check.
Symptoms
Common signs:
- Toe walking, in-toeing, bowlegs, or knock knees
Less common
- Tripping
When to get medical care
Causes
Normal growth and how the legs rotate.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
- It can run in families. Tell your doctor if a parent, brother, or sister has it.
Who is more likely to get it
- Family history
Diagnosis
Your child's doctor watches them walk.
Questions you may be asked
- Milestones
- Pain or limp
The exam
A leg and hip exam.
Tests
Tests, if needed:
- X-rays: If severe or one-sided.
Treatment
Most need no treatment.
Self-care
- Let your child walk barefoot on safe surfaces
- Watch for change over time
- Let kids walk barefoot when safe
Rarely, braces or surgery.
Prevention
To lower your risk or prevent problems:
- There is no known way to prevent it. Early checkups help find it sooner.
Which doctor treats this
- Start with your child's pediatrician.
- They may send you to a pediatric specialist: an orthopedist (bone and joint doctor).
Back to school, work, or sports
- Most children can go to daycare or school as usual.
Children, pregnancy, and older adults
- Toddlers: Bowlegs are normal until about age 2.
For caregivers
- Learn the warning signs and when to call the doctor or 911.
- Keep a list of your child's medicines, doses, and doctors on your phone.
- Tell teachers, coaches, and sitters what to watch for and what to do.
- Take breaks and ask for help. Caregivers need care too.
Outlook
Most outgrow it.
Getting ready for your visit
Bring a list of your symptoms and medicines.
Questions to ask
- Is this normal for my child's age?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Toe walking, in-toeing, or bowlegs in kids
Sources
Last updated 2026-11-12.