More handpicked essays just for you.
Importance of exercise and healthy eating
Importance of exercise and healthy eating
Importance of healthy eating and exercise
Don’t take our word for it - see why 10 million students trust us with their essay needs.
Recommended: Importance of exercise and healthy eating
CHAPTER 2
LITERATURE REVIEW
Definition of Calorie
According to Ayoob( 2009), a calorie can be defined as a unit of heat energy that human body use as energy to produce heat. This energy fuels human body for strength in daily activity. In scientific term, there are two types of calories which small calorie and large calorie (Nordqvist, 2013).
A small calorie(symbol:cal) - 1cal is the amount of energy to required to raise one gram of water by one degree Celcius.
A large calorie(symbol:Cal,kcal) – 1Cal is the amount of energy required to raise one kilogram of water by one degree Celcius.
1 large calorie(1kcal) = 1000 small calories.
Calories can be found in fat, carbohydrate and protein. The main source of calorie comes from daily food intake. Too much calorie intake can lead to weight gain and too less calorie intake lead to weight loss. Therefore, in order to maintain body weight, consume calorie as only as much as body needed. (Jensen, 2001) . The body breaks down food molecules to release the energy stored within them. This energy is needed for vital functions like movement, thought, and growth -- anything that requires the use of energy. The body stores energy it does not need in the form of fat cells for future use.
Calorie Burning Factors
There are several factors that affect the calorie burning during walking phase which are grade of the walking surface, your weight, height, age, distance walking, step length, and speed. (Travis, 2013)
Elevation of surface – More calories are burned as the incline surface of the walking surface increase and less calories are burned as the decline of walking surface increase.
Weight – A bigger body weight exerts more effort and expends more energy running the...
... middle of paper ...
...determine how many calories you should be eating to maintain or lose weight. Retrieved 3 24, 2014, from www.coachme2health.com : http://www.schools.utah.gov/cte/documents/facs/conference/S12/FN_Jensen_CalculatingCalories.pdf
Kawahara, N. (n.d.). Monitoring Daily Energy Expenditure using a 3-Axis Accelerometer with a Low-Power Microprocessor.
Nordqvist, C. (2013, August 11). Medical News Today. Retrieved March 24, 2014, from What Are Calories? What Is A Calorie?: http://www.medicalnewstoday.com/articles/263028.php
Owusu, E. (2009). ACCessory: Password Inference using.
Taylor, L. L. (2009). Basal Metabolic Rate . Retrieved from ShapeFit: http://www.shapefit.com/basal-metabolic-rate.html
Travis, C. ( 2013, July 22). Factors Affecting the Calories You Burn when Running. Retrieved from http://voices.yahoo.com/factors-affecting-calories-burn-running-12236202.html