![]() ![]() Human muscles contain, to a large extent, a genetically determined mixture, on average, 50% ST and 50% FT. These distinctions seem to influence the ways muscles generate force and energy. It is generally accepted that muscle fiber types can be broken down into two main types: These fibres are responsible for producing force when asked to contract and in turn, replenish energy stores used for that contraction. In some cases, especially with turkey, you may be asked at a restaurant which colour you prefer.ĭid you know that the colour (usually classified as white or dark) of the meat tells you about its properties? The meat we eat is predominantly muscle, and muscle is made of fibres. Lippincott Williams & Wilkins.If you eat meat, you have at one time or another, come across different shades of meat. ACSM’s guidelines for exercise testing and prescription. and speed (American College of Sports Medicine, 2013).Īmerican College of Sports Medicine.These six components measure specific skill-sets, and include: Photo by rawpixel on Unsplash.įurthermore, an individual’s physical fitness includes performance-related components. Performance may be measured according to: agility, coordination, balance, power, reaction time, or speed. These six components measure specific skill-sets, and include: (1) agility, (2) coordination, (3) balance, (4) power, (5) reaction time, and (6) speed (American College of Sports Medicine, 2013).Īn individual’s physical fitness may be assessed by health-related and performance-related components. How do the physical activity guidelines outlined in Chapter 1 impact the five health-related components of physical fitness?įurthermore, an individual’s physical fitness includes performance-related components. Muscular Endurance: The ability to resist fatigue and sustain: (1) a given level of muscle tension, or (2) repeated muscle contractions against resistance for a given time period.įlexibility: The ability to move the joints through their full range of motion. Muscular Strength: The amount of force a muscle can produce in a single maximum effort. What activities (other than running or jogging) may enhance cardiorespiratory endurance? Photo by Razvan Chisu on Unsplash.Ĭardiorespiratory (Aerobic) Endurance: The ability to perform prolonged, dynamic exercise using large muscle groups at a moderate-to-high-intensity level.īody Composition: The proportion of fat and fat-free mass (muscle, bone, and water) in the body. Individuals may enhance their heart health through regular participation in cardiorespiratory exercise. These physical fitness components gauge approximations of an individual’s health status, and include: cardiorespiratory endurance, body composition, muscular strength, muscular endurance, and flexibility (American College of Sports Medicine, 2013). Physical fitness components include: cardiorespiratory endurance, body composition, muscular strength, muscular endurance, and flexibility.Physical fitness has been previously defined as “a specific set of attributes possessed by an individual, which allows her/him to perform physical activity with energy, and in the absence of undue fatigue.” While physical fitness encompasses a wide range of physical attributes (components), five health-related components are primarily discussed in the physical activity literature. ![]() One strategy to improve adherence to the aforementioned physical activity guidelines is to ensure individuals are focusing upon a wide variety of mechanisms which enhance overall physical fitness, including the health-related and performance-related components. ![]() Undoubtedly, there is a need to reduce physical activity and health disparities, and improve adherence to physical activity recommendations within the United States population. ![]()
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