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Also known as striated or skeletal muscle this is the most common type of muscle. They attach to the skeleton. These are consciously controlled. Also.

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Presentation on theme: "Also known as striated or skeletal muscle this is the most common type of muscle. They attach to the skeleton. These are consciously controlled. Also."— Presentation transcript:

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3 Also known as striated or skeletal muscle this is the most common type of muscle. They attach to the skeleton. These are consciously controlled. Also called smooth muscle. They are not consciously controlled and are found in the intestines and blood vessels Not consciously controlled. Found only in the heart, it never stops working during your life

4 Trapizius Deltoids Biceps Triceps Pectorals Abdominals Latissimus Dorsi Gluteals Quadriceps Hamstrings Gastrocnemius Extend at the ankle Flex at the elbow Adduct at the arm Extend at the hip Extend at elbow Abduct at the shoulder Flex at the knee Flex at the hip Abduct at the shoulder Extend at the knee Rotate at the shoulder Try to match the muscle on the left with its function on the right.

5 Voluntary muscle is attached to bone by tendons. The end of the muscle attached to the stationary bone is called the The end of the muscle attached to the moving bone is called the e.g. the biceps: origin is at the shoulder and the insertion is at the elbow.

6 Muscles can not push bones, they can only pull them. This means that they need to work in pairs. These pairs are called pairs. The pulling muscle is called the The muscle relaxing is the

7 There are 2 different types of fibre in muscles. Each type is better suited to different activities. Every person has a natural combination of both which can not be changed although you can make them more efficient with the correct training. These are for explosive activities which require quick reactions. They contract fast and produce a powerful action. They tire quickly and are white in colour. These are better for endurance activities. They can contract many times over long periods. They don’t tire easily and are red in colour.

8 is the muscles’ state of slight tension and readiness to work. Muscle tone helps with posture. relates to the way the body is supported by the muscles when standing, sitting or moving. In some activities where looking good is important to the result, good posture is vital. There are several advantages to having good posture: When breathing there is more room for the lungs to expand The heart needs enough space to beat properly The digestive system works better with more space Bone alignment helps prevent strain and injury Good posture can help the shape of a person and make them feel good about themselves

9 During this type of contraction the muscle stays the same length as it works so no movement occurs. During this type of contraction the muscle changes length as it works… If it gets shorter its called If it gets longer its called Can you think of an example for each type of contraction?

10 Strength can be defined as the maximum weight lifted or moved in one try. By repeating strength exercises we can increase the size of the muscle This is called The strength of tendons, ligaments and bones will also increase. If training stops then muscles lose their size. This is called Weight training using weight and reps increases muscle strength

11 Endurance is the ability to keep working for a long period of time without tiring. Weight training using weight and reps improves muscle endurance.


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