Types of muscles contractions and antagonistic pairs
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| What is an Agonist | - these are the muscles that cause the movement
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| What is an Antagonist | these are the muscles that relax (eccentrically contract) to allow the movement to
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| What is a Synergist | muscles that work along side the agonists helping with control and direction of the movement
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| What is a Fixator- | these stabilise the origin of the muscle
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| What is an Isometric contraction | increase in muscle tension the muscle does not change in length
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| What is a Concentric contraction | increase in muscle tension as it shortens
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| What is an Eccentric contraction | increase in muscle tension as it lengthens
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| Example of an eccentric muscle contraction? | Controlling , slowing, downward movement squat downward phase/press up downward phase
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| Example of concentric muscle contraction ? | A movement that accelerates upward phase of bicep curl/ running
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| Name a sporting action that uses a concentric muscle contraction? | Forehand in tennis / jumping up / bicep curl upward phase / press up upward phase
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| Name a sporting action that uses an eccentric muscle contraction? | Downward phase of squat / running downhill or stairs / downward phase of a jump / landing after a jump / downward phase of a bicep / press up down ward phase
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| Name a sporting action that uses a isometric muscle contraction? | Crouch position of skier / held handstand / plank / weightlifter holding a weight above head
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