TeensHealth

1Bones, Muscles, and Joints
Our bones, muscles, and joints form our musculoskeletal system and enable us to do everyday physical activities.

2Huesos, músculos y articulaciones
Cada vez que te precipitas por los corredores porque llegas tarde a una clase, anotas un punto a favor de tu equipo durante un partido, o juegas al pool con tus amigos, estás utilizando tus huesos, músculos y articulaciones. Sin estas partes importantes de tu cuerpo, tendrías serias dificultades: no podrías sentarte, pararte, caminar, ni hacer ninguna de las actividades que realizas a diario.

3Juvenile Idiopathic Arthritis
Learn about juvenile idiopathic arthritis, a specific kind of arthritis that usually occurs in kids and teens under age 17.

4Slipped Capital Femoral Epiphysis (SCFE)
A good, stable connection at your hip joint is what lets you walk, run, make that jump shot, and shake it on the dance floor. But in some teens – particularly those who are obese – the hip joint is weakened by slipped capital femoral epiphysis (SCFE).

5Muscular Dystrophy
Muscular dystrophy is a disorder that weakens a person's muscles. Because the condition weakens muscles over time, teens and adults who have the disease can gradually lose the ability to do everyday tasks.

6Costochondritis
Costochondritis is a fairly common cause of chest pain. It's not serious, but it can be scary. Find out what it is, and what to do if you think you have it.

7Blount Disease
Blount disease is a growth disorder that affects the bones of the lower leg, causing them to bow outward. The most obvious sign a person might have Blount disease is bowing of the leg below the knee.

8Dengue Fever
This infectious disease can cause high fevers, headaches, rashes, and pain throughout the body. Find out what to do about dengue fever - and how to avoid it - in this article for teens.

9Flash Interactive: Body Basics: Muscles and Joints
Our bones, muscles, and joints form our musculoskeletal system and enable us to do everyday physical activities.

10Broken Bones
Bones are tough stuff - but even tough stuff can break. Find out what happens when a bone fractures.