7 th Grade Health Bone and Joint Problems. Bone and Joint Problems Bones and joints are under...
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Transcript of 7 th Grade Health Bone and Joint Problems. Bone and Joint Problems Bones and joints are under...
Bone and Joint Problems
Bones and joints are under constant stress and sometimes pushed beyond their capacity. This can happen from overuse, improper use, or from the impact of some outside force. Sports and car accidents are two leading causes of joint and bone injuries in young people.
Three types of Fractures
Greenstick – most common in children
Simple (closed) – partial or complete break, bones don’t break the skin
Compound (open) – most serious, ends are torn apart and the bone is exposed to infection.
How does a bone fracture heal?
1st Step – swelling around the break, blood supply is increased
2nd Step – Periosteum makes new cells and new minerals
Callus- boney deposits form and eventually heal the bone
Types of Aids to heal bones
Casts – most common pins and plates grafting bones Artificially made bones electrical current
Who fixes my broken bone?
Orthopedist- doctor that specializes in bone disorders
Non-Union – bones don’t come back together (doctors can help to fix this)
Injured Joints
The most common joint injury is a sprain
Sprain-joint moved to far, ligaments and tendons stretched
Example of a sprain - ankle
Dislocation
Dislocation- when a bone moves out of a joint
Dislocation of the shoulder is a common injury - Humerus
Torn Cartilage
Torn Cartilage- tear in the cartilage tissue in a joint
Cartilage tears are common in the knees.
Arthroscopic Surgery- surgical procedure where tiny holes are made in the joint to correct a problem
Bursitis
Bursitis- An inflammation of the bursa sac
Bursa Sacs are found at the kneecap, knee joint, elbow, ankle
Bursitis is most common in the shoulder and knee.
Ruptured Disc
Ruptured Disc A ruptured disc is occurs when the
cartilage slides out of place in the vertebral column (slipped disc)
The ruptured disc may press on spinal nerves