556784
Descrição
FlashCards por s.ghillean, atualizado more than 1 year ago
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Criado por s.ghillean
quase 11 anos atrás
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| Questão | Responda |
| types of muscle | 1. Skeletal or voluntary= allow us to move and create movement 2.involuntary=perform without conscious control, found in walls of internal organs (excluding heart) 3.cardiac=muscles found in the walls of the heart |
| Antagonistic pair | muscles work in pair so movement can occur, when one muscle contracts the opposite must relax |
| Agonist/prime mover | the muscle that is doing the work,this muscle creates movement |
| antagonist | the antagonist must relax when the agonist is contracting to allow movement to occur |
| concentric (isotonic) | -muscle shortens -origin and insertion get closer together |
| eccentric (isotonic) | -muscle lengthens because of gravity -origin and insertion get further apart |
| isometric | -muscles remain the same length -there is no movement |
| slow twitch muscle fibres | Oxygen supply=good type of exercise=all fatigue=long time without tiring contraction speed=slower fibre size=small and weak sport suited for= cycling, marathons |
| fast twitch muscle fibres | oxygen supply=poor type of exercise=explosive fatigue=short time before tiring contraction speed=fast fibre size=big and strong sport suited for=100m, triple jump |
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