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Questions and Answers
What type of forces act to stretch or pull a structure during an injury?
What type of forces act to stretch or pull a structure during an injury?
Chronic injuries occur suddenly and are usually the result of a specific trauma.
Chronic injuries occur suddenly and are usually the result of a specific trauma.
False
What causes swelling in an injured body part?
What causes swelling in an injured body part?
Fluid accumulation due to increased blood flow and blood vessel permeability.
A __________ injury involves a complete tear of the fibers and results in complete loss of function.
A __________ injury involves a complete tear of the fibers and results in complete loss of function.
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Match the types of injuries with their definitions:
Match the types of injuries with their definitions:
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Which of the following does NOT describe the inflammatory response?
Which of the following does NOT describe the inflammatory response?
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Shear forces cause twisting of the structure.
Shear forces cause twisting of the structure.
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Name the four common types of musculoskeletal injuries.
Name the four common types of musculoskeletal injuries.
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Which type of injury is characterized by twisting or pulling force?
Which type of injury is characterized by twisting or pulling force?
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A dislocation occurs when muscles are pulled beyond their normal range of motion.
A dislocation occurs when muscles are pulled beyond their normal range of motion.
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What is a common cause of stress fractures?
What is a common cause of stress fractures?
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Tendinopathy is primarily caused by repetitive movement using ________ technique.
Tendinopathy is primarily caused by repetitive movement using ________ technique.
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What type of chronic injury is characterized by the wear and tear of a joint?
What type of chronic injury is characterized by the wear and tear of a joint?
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Match the injury type with its common cause:
Match the injury type with its common cause:
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Strains are typically caused by a falling accident.
Strains are typically caused by a falling accident.
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Name one injury that can result from a bump or hit to the body.
Name one injury that can result from a bump or hit to the body.
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Study Notes
Exercise Safety and First Aid
- This unit covers exercise safety and first aid, focusing on safety practices in sports and exercise.
- It aims to differentiate between acute and chronic injuries.
- It describes common forces during injury mechanisms.
- It explains the inflammatory response's role in healing.
Causes of Common Sports Injuries
- Injuries occur when tissues or organs encounter trauma or physical force greater than their capacity to resist or absorb.
- Acute injuries are sudden and severe, occurring during physical activity.
- Chronic injuries develop over time due to repetitive stress or misuse.
Common Forces During Injury Mechanism
- Tensile forces: These forces act away from the center of a structure, causing a pull or stretch.
- Compressive forces: These forces act on the center of a structure, causing it to bend or fold.
- Shear forces: These forces act on opposing sides of a structure, causing it to twist.
Musculoskeletal Structures and Injuries
- Ligaments: Stabilize joints; a sprain is the injury.
- Tendons: Attach muscles to bones; a strain is the injury.
- Muscles: Create movements; a strain is the injury.
- Bones: Anchor muscles; a fracture is the injury.
- Joints: Fulcrum for movement; a dislocation is the injury.
Sprains and Strains – Severity
- Sprains: Damage and stretching to ligaments surrounding a joint.
- Mild: Minimal tear, pain when moved.
- Moderate: Partial tear, pain at rest and when moved or activated.
- Severe: Complete tear, full loss of function.
- Strains: Pulling or tearing of muscle or tendon.
Acute Injuries
- Sprain: Overstretched ligament from forced joint movement.
- Strain: Twist, pull or tear of muscle or tendon (non-contact or from overstretching).
- Fracture: Bone break, from high impact/stress.
- Dislocation: Separation of bones, from movement beyond normal range.
- Concussion: Life-threatening brain injury from bumps or hits to the body.
Chronic Injuries
- Stress Fracture: Tiny cracks in a bone from repetitive force (overuse).
- Tendinopathy/Tendinitis: Muscle-tendon injury from muscular imbalance.
- Osteoarthritis: Wear and tear of a joint, diminishing cartilage protection.
- Bursitis: Inflammation of the bursa, irritating surrounding structures from repetitive stress.
Causes Of Heat Related Illnesses
- Heat illnesses result from excessive dehydration and high body temperature, often from poor training conditions.
- Extreme heat hinders the body's cooling mechanism through sweat evaporation.
- This can increase core body temperature past safe limits, leading to heatstroke or other severe health issues.
Signs of Dehydration
- Dizziness
- Fatigue
- Weakness
- Dry mouth
- Flushed skin
- Headache
- Blurred vision
- Difficulty swallowing
- Dry skin
- Hot skin
- Rapid pulse
- Frequent need to urinate
Injury Prevention Strategies
- Implement comprehensive training programs.
- Use protective equipment and practice correct techniques.
- Incorporate recovery strategies into training regimens.
- Follow rules and maintain good sports decorum during competition.
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Description
Test your knowledge on exercise safety and first aid practices. This quiz covers the differences between acute and chronic injuries, injury mechanisms, and the healing process. Understand the common forces that contribute to sports injuries and how to respond effectively.
