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Cardio - Respiratory

Cardio - Respiratory. Learning Objective: Identify the key components of the Cardio-Respiratory system. And each parts job. In pairs: Quiz the person and discuss the possible answers: Be prepared to share ideas with the class. What side of the heart carries deoxygenated blood.?

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Cardio - Respiratory

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  1. Cardio - Respiratory

  2. Learning Objective: Identify the key components of the Cardio-Respiratory system. And each parts job • In pairs: Quiz the person and discuss the possible answers: Be prepared to share ideas with the class. • What side of the heart carries deoxygenated blood.? • Arteries carry blood to where? • Veins carry blood to where? • Identify the circuit. Write the def up on the board, which one is which. Pulmonary circuit: Systemic circuit:

  3. Respiration – 02 Passage MOUTH/NOSE PHARYNX LARYNX TRACHEA BRONCHI BRONCHIOLES ALVEOLI

  4. C02 Passage MOUTH/NOSE PHARYNX LARYNX TRACHEA BRONCHI BRONCHIOLES ALVEOLI

  5. Heart Circuits • Pulmonary circuit: Oxygen poor blood from the heart to the lungs enriched and back to the heart. • Systemic circuit: Oxygen rich blood to the body and oxygen poor blood back to the heart

  6. NOTES; Key Features of the Heart (Copy). • Heart Rate; Measure of the number of beats per minute. • Blood Pressure; Pressure of blood on the arteries. Pressure when the heart is pushing blood out when it contracts. • Stroke Volume; Amount of blood ejected from the heart per beat. • Cardiac Output; Amount of blood ejected from the heart per minute

  7. Respiratory system; • Main function is to bring oxygen into the body and remove Carbon Dioxide. • http://www.youtube.com/watch?v=hc1YtXc_84A

  8. Blood Vessels • Arteries: Take blood from the heart to the tissue • Veins: Carry blood back to the heart • Capillaries: Exchange nutrients and waste products

  9. The Karvonen Formula 220 – age = Predicted Max HR Minus RHR = X Target Zone eg 60% = x 0.6 70% = x 0.7 Plus RHR = Training Target HR (divide by 6 to get HR for 10 secs)

  10. Body Types Body type is one method of assessing a person’s suitability for a sport, event or position within a sport. There are 3 basic body types: • Endomorphs – tend to be short with more body fat • Mesomorphs – are muscular • Ectomorphs – tend to be tall and thin

  11. Type of Training • Resistance Training • Circuit Training • Continuous Training • Stretching • Interval Training

  12. FITNESS

  13. ‘Fitness’ measures a person’s suitability to perform a certain task eg you can be fit to drive, fit to work, fit to look after children etc. In the sporting context we think of fitness as a person’s physiological capability to perform a specific physical task or set of tasks.

  14. AGILITY FLEXIBILITY FITNESS COMPONENTS AEROBIC STRENGTH BODY COMPOSITION

  15. FITNESSCOMPONENTS • Body Composition – and shape are about the relationship between your body’s structure and how it works or performs. • Flexibility – is the range of movement that muscles, tendons and ligaments allow at a joint. It is specific to each joint, and sports require different degrees of flexibility. • Agility – is the ability to move your body quickly from one position or direction to another. Speed and flexibility contribute to agility.

  16. Strength • Muscular strength – ability to apply force in a short period • Strength endurance – ability to generate force and maintain it over a period of time without tiring • Power – body’s ability to exert force quickly. • When you develop strength you will increase the size of your muscles. This will give you health benefits such as being less prone to injury, weight loss from using more energy, and improved posture from having better control of your body. • Aerobic Fitness – is also called cardio-respiratory fitness or endurance and is your body’s capacity to work continuously for long periods of time. • Anaerobic Fitness – your body’s ability to work at a high level of intensity in repeated bursts.

  17. Principles of Training S P O R R • Specificity - Any training undertaken must be specific to the fitness component being developed, the activity, the muscles used, the energy system used and the intensity of the expected performance. • Progression – As a person’s level of fitness improves, their training threshold also increases. This means that the fitter a person becomes, the harder and/or longer she or he will have to work to create an overload in training. Achieved through increasing load and speed, reducing recovery time, increasing duration of effort, frequency of training etc

  18. …continued… • Overload – The training threshold is the minimum amount of exercise required to experience an improvement in physical fitness. This occurs when a person trains above the minimum level required. • Reversibility – The effects of training are lost if training stops or slows down. • Rest – plays a key role in recovery after training and competing and in preventing overuse injuries as a result of overtraining.

  19. FITT Principle • Frequency – How often should you train? • Varies according to goals, current fitness, age etc • Intensity – How hard do I work? • Training Target Heart Rate • Time – How long should a training session be? • Warm-up & cool down – at least 10 min • Aerobic Fitness – min of 15-30 mins at Target Heart Rate • Type – What training should I do?

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