Anatomy/Skeletal System

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The skeletal system is a topic of the event Anatomy.

For the skeletal system you will need to know:

  1. The names of the bones and their surface anatomy as shown on a diagram or X-ray
  2. Name, structure, and function of types of joints and ranges allowed by each joint
  3. Structures of bones in cross-section
  4. How to distinguish between types of vertebrae
  5. Diseases such as osteoarthritis, osteoporosis, disc herniation, and scoliosis
  6. Effects of exercise on the skeletal system
Competition Level Health Concepts
Regional/State Bones of the axial and appendicular skeleton, including the ability to label bones on a diagram and/or X-ray

Name, structure, and function of types of joints (ball and socket joints, fibrous joints, cartilagenous joints, synovial joints, etc.), including the range of motion allowed by each type

Name, structure, and function of the muscles and ligament attachments that surround joints

Structure, cellular composition, and function of bones, bone marrow, and cartilage, including the ability to identify components in cross-section

Distinguish types of spinal vertebrae (e.g., cervical, thoracic, and lumbar)

Understanding of the following diseases at the levels from the cell to the whole body, including the radiological features of each disease: osteoarthritis, osteoporosis, fractures, disc herniation, scoliosis, anterior cruciate ligament tears, medial collateral ligament damage

The effect of exercise on the skeletal system and the aforementioned diseases

National Understanding of the following additional diseases: spinal stenosis, achondroplasia, juvenile rheumatoid arthritis, spinal fractures, ankylosing spondylitis, and osteosarcoma

Treatment and/or prevention of all the aforementioned diseases and disorders, including drugs, surgery, and other alternative treatments

Bones of the skull, including the ability to label them on a diagram

Salter-Harris fracture identification system

Types of Joints

Types of Cartilage

Skeletal System Diseases

Diseases of the Skeletal System
Disease Name Cause Symptoms Treatment Prevention Effect on the Body
Osteoarthritis Faster break down of cartilage, extra strain on joints, joint injuries Pain in joints, stiffness, limited joint movement, tenderness/swelling Maintain healthy weight, exercise, Medications- acetaminophen, NSAIDs (Non-Steroidal Anti-Inflammatory Drugs) Exercise, keep healthy weight, avoid joint injuries Break down of cartilage of joints, joints become hurtful
Osteoporosis Age, Gender, more bone being absorbed than new bone being made Back pains, stooped posture, easily broken bones, loss of height Calcium and Vitamin D, exercise, healthy diet, Medications- calcitonin, bisphosphonates Nutritious diet, exercise, don’t smoke, don’t drink a lot of alcohol Thinning of the bone
Disc Herniation Wear and tear of disc, injuries, strain on disc, age Pain, numbness, weakness, leg pain, muscle pain Limit activities, use ice or heat, aspirin, NSAIDs (Non-Steroidal Anti-Inflammatory Drugs) Healthy body weight, exercise, quit smoking, practice good posture Bulging/ breaking of discs
Scoliosis Disorders at birth, injuries, infections Curvature of the spine, one shoulder stick out more than the other Brace, pain relieving meds (aspirin, ibuprofen) Cannot be prevented Curvature of the spine
Spinal Stenosis Osteoarthritis, formation of bone spurs in spine Pain, loss of balance, loss of bladder control Physical therapy, NSAIDs (Non-Steroidal Anti-Inflammatory Drugs), rest, limited activity, back brace Exercise, use good body mechanics, healthy weight, good posture Narrowing in areas of spine- puts pressure on nerves
Rheumatoid Arthritis Genes- allow for autoimmune disorder of joints- body destroys own joints Pain and swelling in joints, fatigue, loss of appetite, weight loss Physical therapy, Medications- NSAIDs (Non-Steroidal Anti-Inflammatory Drugs), DMARDs (Disease Modifying Anti-Rheumatic Drugs) Cannot be prevented Inflammation of tissues lining joints- causes destruction of joints
Gout Too much uric acid in the blood, obesity, a lot of alcohol, other conditions, taking certain medications Pain/swelling in the joint, skin around joint red and itchy, intolerable pain, fever Rest, healthy weight, limit alcohol, Medications- NSAIDs (Non-Steroidal Anti-Inflammatory Drugs) Control risk factors A kind of arthritis, formation of hard crystals in joints
Juvenile Rheumatoid Arthritis Genetic factors, overly active immune system, infection that activates immune system Joint pain, swelling, irritability Exercise, assistive devices, Medications- NSAIDs (Non-Steroidal Anti-Inflammatory Drugs), DMARDs (Disease Modifying Anti-Rheumatic Drugs) Cannot be prevented Rheumatoid arthritis in children

Sample Questions

A2j spinalcolumn.jpg

Resources