Many young kids have bow legs (genu varum), flat feet, knock knees (genu valgum), in-toeing, out-toeing, or toe walking. Often, as kids grow these conditions can correct themselves without treatment.

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Cardiology (Heart Care) at Nemours Children's HealthThis link opens in a new tab The heart is an organ that’s a pump, ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab The male reproductive system is made ...

What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

Medically reviewed by: KidsHealth Medical ExpertsThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab The digestive system breaks ...

Medically reviewed by: Melanie L. Pitone, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab A well-stocked first-aid kit, kept ...

Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link opens in a new tab Having a shy style isn't necessarily a problem. It's perfectly OK to take time to ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Sports Medicine at Nemours Children's HealthThis link opens in a new tab Gymnastics is a fun, challenging sport and a ...

What Is Jumper's Knee? Jumper's knee is an injury of the patellar tendon. The patellar tendon is the cord-like tissue that joins the patella (kneecap) to the tibia (shinbone). Jumper's knee is an ...

Learn About Cardiology (Heart Care) at Nemours Children's HealthThis link opens in a new tab An atrial septal defect (ASD) — sometimes called a hole in the heart — is a type of congenital heart defect ...

Medically reviewed by: Yamini Durani, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab Playgrounds and outdoor play equipment ...

Medically reviewed by: KidsHealth Medical ExpertsThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab How do you remember the way ...