NUTR 1010 Lecture Notes - Lecture 18: Subcutaneous Tissue, Risk It, Sarcopenia

• School: University of Guelph
• Department: Nutrition
• Course: NUTR 1010
• Professor: Angela Wallace

Document Summary

Basic metabolic rate: energy required to run our body at rest. Energy needed to maintain our body"s resting functions. The energy needed to digest, absorb, transport and metabolize food. 10% of our energy intake is used to metabolize our food. Fat takes less energy to metabolize than carbs and protein. Tef increases with the size of the meal. The more you eat, the more energy that is required within the 5-10% range. Adipocytes grow in size as they accumulate more triglycerides and shrink as they are removed. Glycogen : stored in the muscles and liver. Body generally stores about 200-500g of glycogen. If you"re starving, you"ll also use energy from protein. Amino acids : from protein are first used to synthesize needed body proteins. Carbohydrates : used to maintain blood glucose and build glycogen stores. Fat: usually not needed as a source of fuel. Direct calorimetry: measures the amount of heat released by the body.