Sports and Nutrition
NCERT Class 12 Health and Physical Education Chapter 5: Sports and Nutrition (Pages 159–198)
Summary of Sports and Nutrition
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Sports and Nutrition at a Glance
CBSE
Class 12
Health and Physical Education
Physical Education
5
159–198
6 study resources
Sports and Nutrition Summary
In this chapter on sports and nutrition, we delve into the critical role that nutrition plays in enhancing athletic performance and ensuring overall health. A well-balanced diet is vital for athletes as it supports energy needs, aids in recovery, and enhances performance during various sports activities. The concept of a balanced diet, including macronutrients such as carbohydrates, proteins, and fats, is fundamental. Carbohydrates are the primary energy source, crucial for any athletic undertaking. Depending on their activity, athletes should adjust their carbohydrate intake; for example, strength-focused athletes should consume about fifty-five percent of their total daily calories from carbohydrates, while endurance athletes may need as much as sixty to seventy percent. It is important to focus on complex carbohydrates for sustained energy, particularly before competitions. Proteins are also essential for athletes as they aid in muscle repair and growth. The recommended protein intake ranges from one gram to two grams per kilogram of body weight, depending on the intensity of the sport. It is also emphasized that excess protein can be counterproductive and may lead to health issues such as dehydration and kidney strain. Fats are necessary as they provide concentrated energy and support overall health. However, athletes are advised to focus on healthy fats while limiting saturated and trans fats to maintain optimal health. Vitamins and minerals, while required in smaller quantities compared to macronutrients, are equally important. They contribute to various bodily functions and help in recovery from intense workouts. For instance, B vitamins play a role in energy metabolism, while antioxidants such as vitamin C protect against oxidative stress generated during strenuous physical activities. The chapter also discusses the timing of nutrient intake, outlining the importance of pre-exercise meals rich in carbohydrates while keeping fat and fiber low to ensure easy digestion and energy availability. Additionally, during prolonged activities, athletes are encouraged to replenish fluids and carbohydrates to maintain performance levels. Post-exercise nutrition focuses on rehydration and restoring glycogen levels, recommending high carbohydrate and quality protein meals within a few hours after training or competitions. Overall, understanding the relationship between diet and performance is essential for athletes to achieve their goals and maintain long-term health. This chapter reinforces the significance of tailoring nutrition plans to suit individual sports and personal health needs, ensuring that athletes can optimize their performance while also caring for their overall well-being.
