DEFINITION OF  PHYSICAL FITNESS “  The ability to carry out daily tasks (work and play) with vigour and alertness, without...
 
COMPONENTS OF FITNESS <ul><li>Fitness needs to be expressed in terms that are much more specific and clearly understood. T...
THE COMPONENTS OF FITNESS <ul><li>The ‘health-related’ components are: </li></ul><ul><li>cardio-respiratory endurance </li...
THE COMPONENTS OF FITNESS <ul><li>Motor-skill related components: </li></ul><ul><li>muscular power </li></ul><ul><li>speed...
LINKING FITNESS COMPONENTS WITH ENERGY SYSTEMS <ul><li>ENERGY SYSTEM </li></ul><ul><li>ANAEROBIC   AEROBIC </li></ul><ul><...
CARDIO-RESPIRATORY ENDURANCE <ul><li>Ability of the heart, lungs and blood vessels to deliver oxygen to the muscles and re...
 
MUSCULAR STRENGTH <ul><li>The force/tension that a muscle or muscle group can exert against a resistance in one maximal ef...
 
(LOCAL) MUSCULAR ENDURANCE <ul><li>The ability of a muscle or muscle group to sustain an activity for a prolonged period o...
 
ANAEROBIC POWER <ul><li>The ability to produce energy without using oxygen </li></ul><ul><li>The efficiency of the ATP-PC ...
 
FLEXIBILITY <ul><li>The range of possible movement about a joint or sequence of joints </li></ul><ul><li>It is essential t...
 
BODY COMPOSITION <ul><li>Refers to the proportions of bone, muscle and fat within the body </li></ul><ul><li>We contrast t...
<ul><li>Body Type </li></ul><ul><li>There are three extremes of body types.  </li></ul><ul><li>Endomorph (711) </li></ul><...
 
MUSCULAR POWER <ul><li>The ability to exert a ‘maximal’ contraction in one explosive act </li></ul><ul><li>It is dependent...
 
AGILITY <ul><li>The ability to change direction accurately and quickly while moving rapidly </li></ul><ul><li>A combinatio...
 
CO-ORDINATION <ul><li>The smooth flow of movement in the execution of a physical task </li></ul><ul><li>The common denomin...
 
BALANCE <ul><li>The ability to maintain the equilibrium of the body  </li></ul><ul><li>It can be either  static  or  dynam...
 
REACTION TIME <ul><li>The ability to process information via the nervous system and to initiate a response </li></ul><ul><...
 
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Definitions Of Fitness

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Definitions Of Fitness

  1. 1. DEFINITION OF PHYSICAL FITNESS “ The ability to carry out daily tasks (work and play) with vigour and alertness, without undue fatigue and with ample energy to enjoy leisure-time pursuits and to meet unforeseen emergencies” (Clarke 1976)
  2. 3. COMPONENTS OF FITNESS <ul><li>Fitness needs to be expressed in terms that are much more specific and clearly understood. These terms are called the components of fitness. </li></ul><ul><li>This is the collective expression for various aspects of fitness. </li></ul>
  3. 4. THE COMPONENTS OF FITNESS <ul><li>The ‘health-related’ components are: </li></ul><ul><li>cardio-respiratory endurance </li></ul><ul><li>muscular strength </li></ul><ul><li>(local) muscular endurance </li></ul><ul><li>anaerobic power (associated with speed) </li></ul><ul><li>flexibility </li></ul><ul><li>body composition </li></ul>
  4. 5. THE COMPONENTS OF FITNESS <ul><li>Motor-skill related components: </li></ul><ul><li>muscular power </li></ul><ul><li>speed </li></ul><ul><li>agility </li></ul><ul><li>co-ordination </li></ul><ul><li>balance </li></ul><ul><li>reaction time </li></ul>
  5. 6. LINKING FITNESS COMPONENTS WITH ENERGY SYSTEMS <ul><li>ENERGY SYSTEM </li></ul><ul><li>ANAEROBIC AEROBIC </li></ul><ul><li>ATP-PC Lactic acid Oxygen </li></ul><ul><li>Anaerobic power and speed Cardio-respiratory endurance </li></ul><ul><li>Local muscular endurance </li></ul><ul><li>Muscular strength </li></ul><ul><li>Muscular power </li></ul><ul><li>Agility </li></ul><ul><li>Balance </li></ul><ul><li>Reaction time </li></ul>
  6. 7. CARDIO-RESPIRATORY ENDURANCE <ul><li>Ability of the heart, lungs and blood vessels to deliver oxygen to the muscles and remove wastes </li></ul><ul><li>Is most evident at rest; sustained activity involving the whole body, such as running, swimming and cycling long distances; and during recovery </li></ul>
  7. 9. MUSCULAR STRENGTH <ul><li>The force/tension that a muscle or muscle group can exert against a resistance in one maximal effort </li></ul><ul><li>It is important in sports in which we try to gain or maintain position against an opponent, or in which we aim to move an object, our body or some body part, forcefully </li></ul>
  8. 11. (LOCAL) MUSCULAR ENDURANCE <ul><li>The ability of a muscle or muscle group to sustain an activity for a prolonged period of time in the face of considerable local fatigue </li></ul><ul><li>Important in activities such as the arms in a 200m swim; legs in a 1km cycling time-trial; abdominals in a 1 min. sit-up test </li></ul>
  9. 13. ANAEROBIC POWER <ul><li>The ability to produce energy without using oxygen </li></ul><ul><li>The efficiency of the ATP-PC and lactic acid systems are central factors to anaerobic power </li></ul><ul><li>Maximal efforts up to 10 seconds and near-maximal efforts to about 1 minute </li></ul>
  10. 15. FLEXIBILITY <ul><li>The range of possible movement about a joint or sequence of joints </li></ul><ul><li>It is essential to all sports and recreational activities </li></ul><ul><li>It can be either static or dynamic </li></ul><ul><li>Static flexibility is the ability to move a joint to its maximum range of motion </li></ul><ul><li>Dynamic flexibility is how easily a limb can be moved through its range of motion when executing a skill </li></ul>
  11. 17. BODY COMPOSITION <ul><li>Refers to the proportions of bone, muscle and fat within the body </li></ul><ul><li>We contrast the mass of bones, muscle and organs – our lean body mass – with body fat </li></ul><ul><li>An athlete’s relative leanness or fatness will have an impact on athletic performance </li></ul><ul><li>Fat is a non-energy-producing tissue </li></ul>
  12. 18. <ul><li>Body Type </li></ul><ul><li>There are three extremes of body types. </li></ul><ul><li>Endomorph (711) </li></ul><ul><li>A pear shaped body </li></ul><ul><li>A rounded head </li></ul><ul><li>Wide hips and shoulders </li></ul><ul><li>Wider front to back rather than side to side. </li></ul><ul><li>A lot of fat on the body, upper arms and thighs </li></ul><ul><li>Mesomorph (171) </li></ul><ul><li>A wedge shaped body </li></ul><ul><li>A cubical head </li></ul><ul><li>Wide broad shoulders </li></ul><ul><li>Muscled arms and legs </li></ul><ul><li>Narrow hips </li></ul><ul><li>Narrow from front to back rather than side to side. </li></ul><ul><li>A minimum amount of fat </li></ul><ul><li>Ectomorph (117) </li></ul><ul><li>A high forehead </li></ul><ul><li>Receding chin </li></ul><ul><li>Narrow shoulders and hips </li></ul><ul><li>A narrow chest and abdomen </li></ul><ul><li>Thin arms and legs </li></ul><ul><li>Little muscle and fat. </li></ul>                                       
  13. 20. MUSCULAR POWER <ul><li>The ability to exert a ‘maximal’ contraction in one explosive act </li></ul><ul><li>It is dependent on the interaction of speed and strength </li></ul><ul><li>‘ Maximum’ muscular power is generated when the speed of contraction is around 35% of its maximum and the force of contraction is about 35 % of the maximum strength attainable </li></ul><ul><li>Exemplified by explosive activities eg. athletic field events </li></ul>
  14. 22. AGILITY <ul><li>The ability to change direction accurately and quickly while moving rapidly </li></ul><ul><li>A combination of power, speed, flexibility, balance and co-ordination </li></ul><ul><li>Characterised by activities such as dodging, baulking and weaving </li></ul>
  15. 24. CO-ORDINATION <ul><li>The smooth flow of movement in the execution of a physical task </li></ul><ul><li>The common denominator of all the skill-related components of fitness </li></ul><ul><li>It involves the nervous system and the skeletal-muscular system working together </li></ul><ul><li>Important in all physical activities </li></ul>
  16. 26. BALANCE <ul><li>The ability to maintain the equilibrium of the body </li></ul><ul><li>It can be either static or dynamic </li></ul><ul><li>Static involves maintaining the equilibrium in one fixed position </li></ul><ul><li>Dynamic involves maintaining the equilibrium while moving </li></ul><ul><li>Balance is an essential element of most sports </li></ul>
  17. 28. REACTION TIME <ul><li>The ability to process information via the nervous system and to initiate a response </li></ul><ul><li>It is the time taken from the brain receiving the stimuli to the muscles contracting </li></ul><ul><li>Average reaction time is about 0.2 sec. </li></ul><ul><li>It is important in any sport that actions are influenced by external stimuli </li></ul>
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