LecturesEXSC200uptoMidterm1-1

LecturesEXSC200uptoMidterm1-1 - Exercise Sciences 200L...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Exercise Sciences 200L – Nutrition: Macronutrients and Energy Metabolism (4 units) University of Southern California Department of Kinesiology Fall 2008 Dr. Alberto Vallejo Course Overview •Key Dates •Objectives •Semester Outline Key Dates • Midterm 1 Sept 18 • Midterm 2 Oct 14 • Midterm 3 Nov 11 • Thanksgiving Nov 20 • Final Dec 11 (11am-1pm)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Objectives: • To understand how the gastrointestinal tract ! Functions in digestion ! Absorption of macronutrients • To understand the basic principles ! In caloric balance ! Weight control • To understand the basic principles of enzymatic reactions as they apply to the metabolic pathways for carbohydrates and fats • To apply knowledge of metabolic pathways to ”Exercise” Lecture Outline Tentative Schedule on Syllabus Chapter 1: The Science of Nutrition
Background image of page 2
3 Quote of the Day Let thy food be thy medicine and thy medicine be thy food. Hippocrates (460-364 B.C.) Introduction to Nutrition and the Nutrients • Nutrition ! Science of how living organisms obtain and use food to support all the processes required for existence • Disciplines within nutrition study: ! Food production and availability ! Why people choose to eat certain things ! Cultural influences on food intake and nutritional status ! How the body breaks down food and uses it for chemical and mechanical processes Nutritional Sciences • Reflects a broad spectrum of academic and social disciplines • Nutritional Scientists ! Scientists who study nutrition that can be found in the following disciplines: ! Immunology, medicine, genetics, biology, physiology, biochemistry, education, psychology, sociology • Dietitians ! Nutrition professionals who help people make dietary changes and food choices to support a healthy lifestyle.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Nutrients and Their Classification • Nutrient ! Substance in foods used by the body to serve one or more of the following purposes: ! Provide a source of energy ! Provide structure ! Regulate chemical reactions in the body • Foods that contain high levels of nutrients are more nutritious than foods that do not. • Not all compounds in food are nutrients. Food Labels Assist in Identifying Nutrients and Non-Nutrients in Food Essential, Nonessential, and Conditionally Essential Nutrients • Essential Nutrients ! Must be obtained from the diet ! Body needs them ! Body either cannot make them at all or cannot make them in adequate amounts • Nonessential Nutrients ! Body can make these in sufficient amounts when they are needed ! Humans do not need to consume these • Most foods contain both essential and non- essential nutrients ! Example: Milk
Background image of page 4
5 Essential, Nonessential, and Conditionally Essential Nutrients cont. • Conditionally Essential Nutrients
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 158

LecturesEXSC200uptoMidterm1-1 - Exercise Sciences 200L...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online