Physical Education GCSE

The muscular system for my end of year exam.

  • Created by: Jessica
  • Created on: 03-12-10 14:10

Muscular System

What is the function of the muscular system, what does it maintain, how is it arranged and what are the 3 types of muscle?

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Muscular System

  • The muscular system's function is to move using all muscles.
  • It maintains posture and shape.
  • It's arranged agnostically (in pairs)
  • The three types of muscles are voluntary, involuntary and cardiac.
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Muscular System

What are the immediate effects of exercise?

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Muscular System

  • Increased demand for glycogen and oxygen
  • Extra blood is neede to take away waste products created by high intensity exercise.
  • Lactid acid builds up is not enough oxygen is supplied to the muscles.
  • Muscles can ache and cause cramp.
  • Exercise helps the body cope with these demands.
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Muscular System

What are the long term effects of exercise?

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Muscular System

  • Increased hypertrophy
  • Increased muscular endurance
  • Increased muscular stregnth
  • Stronger tendons
  • Stonger ligaments
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Muscular System

What is the difference between isotonic and isometric and give examples of sports they are used in.

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Muscular System

Isotonic is muscle contraction with movement.
e.g. football and tennis.

Isometric is muscle contraction without movement.
e.g. rugby scrum and the plank.

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Muscular System

Explain each part of the warm up and why the cool down is just as important.

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Muscular System

The warm up

  • Pulse raiser - increase blood pressure and warms up the body.
  • Stretching - essential so you don't pull a muscle.
  • Skill related to the activity - develop in a weak/important area of your sport.

The cool down

  • equally important for preventing injury
  • disperses lactid acid to avoid muscle soreness/stiffness.
  • lowers blood pressure.
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Muscular System

What are the 3 types of muscle injuries, define the sprain and how are they healed? Explain RICE.

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Muscular System

Muscle injuries

  • Tear
  • Pull
  • Strain - in the joint where it has been moved beyond it's normal range of movement.

They human body is able to rebuild + repair these fibres during rest.

  • Rest - stop immediatly so no more damage is done.
  • Ice- apply ice to the injury to reduce swelling.
  • Compression - wrap a bandage around the injury to reduce swelling.
  • Elevation - lift the injury so the blood flow slows down reducing swelling.
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