Unit 7: Physiology and Sports Injuries

Physiology is the branch of science that studies the functions and activities of the human body. Sports physiology helps us understand how different body systems work during exercise and sports performance.

Meaning of Physiology

Physiology is the study of the functions and activities of living organisms and their body parts. It explains how muscles, heart, lungs and other organs work during physical activity.

Importance of Physiology in Sports

• Improves sports performance.
• Helps in training planning.
• Enhances recovery.
• Prevents injuries.
• Improves fitness levels.

Effects of Exercise on Muscular System

• Increase in muscle strength.
• Increase in muscle size.
• Better muscular endurance.
• Improved flexibility.

Effects of Exercise on Cardiovascular System

• Stronger heart muscles.
• Improved blood circulation.
• Better oxygen supply.
• Lower resting heart rate.

Effects of Exercise on Respiratory System

• Improved lung capacity.
• Better oxygen intake.
• Efficient breathing.
• Increased endurance.

Sports Injuries

Sports injuries are injuries that occur during sports participation, exercise or physical activities. They may affect muscles, bones, ligaments and joints.

Causes of Sports Injuries

• Improper warm-up.
• Overtraining.
• Poor technique.
• Unsafe equipment.
• Lack of fitness.

Types of Sports Injuries

1. Sprain

A sprain is an injury to a ligament caused by overstretching or tearing. It commonly occurs in the ankle, knee and wrist joints.

2. Strain

A strain is an injury to muscles or tendons caused by excessive stretching or overuse.

3. Fracture

A fracture is a break or crack in a bone. It may be simple, compound or stress fracture.

4. Dislocation

Dislocation occurs when the bones of a joint move out of their normal position. Shoulder dislocation is one of the most common sports injuries.

5. Abrasion

An abrasion is a superficial injury caused by rubbing against a rough surface, resulting in damage to the skin.

First Aid for Sports Injuries

First aid is the immediate care provided to an injured person before medical assistance becomes available.

PRICE Method

• P - Protection: Protect the injured area.
• R - Rest: Avoid further movement.
• I - Ice: Apply ice to reduce pain and swelling.
• C - Compression: Use an elastic bandage.
• E - Elevation: Raise the injured part above heart level.

Prevention of Sports Injuries

• Proper warm-up before activity.
• Use correct sports techniques.
• Wear appropriate sports equipment.
• Follow balanced training programs.
• Take adequate rest and recovery.
• Maintain proper nutrition and hydration.

Management of Sports Injuries

• Early diagnosis.
• Medical treatment.
• Physiotherapy.
• Rehabilitation exercises.
• Gradual return to sports.

Important MCQs

1. What is physiology?
2. Which system supplies oxygen to muscles?
3. What is a sprain?
4. What is a strain?
5. What does PRICE stand for?
6. Which injury involves a broken bone?
7. What is dislocation?
8. Name two causes of sports injuries.
9. How can sports injuries be prevented?
10. Why is warm-up important?

Conclusion

Physiology helps athletes understand how the body responds to exercise and training. Knowledge of sports injuries, their prevention and management is essential for maintaining fitness and improving sports performance. Proper training, warm-up and safety measures help athletes remain healthy and injury free.