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Sport - Muscular 2
Sport - Muscular System 2
Question | Answer |
---|---|
How do muscles create movement? | they contract and pull on the bones |
When a muscle contracts, what is 'origin'? | one end of the muscle remains stationary |
When a muscle contracts, what is 'insertion'? | the other end of the muscle moves |
What is an 'antagonistic pair'? | when one muscle contracts, the other relaxes |
What is an 'agonist'? | the muscle that contracts |
What is an 'antagonist'? | the muscle that relaxes |
What are 'synergists'? | muscles that work together to enable the agonist to operate more effectively |
What are 'fixators'? | muscles that stop any unwanted movement by fixing or stabilising the joints involved |
What are the 3 types of skeletal muscle contraction? | concentric eccentric isometric |
What is 'concentric' contraction? | the muscle contracts & shortens the positive phase |
What is 'eccentric' contraction? | the muscle contracts & lengthens the negative phase |
What is 'isometric' contraction? | the muscle contracts but little or no movement the muscle doesn't shorten or lengthen |