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27 Cards in this Set
- Front
- Back
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Define Isometric contractions |
Muscle contraction which results in increased tension but the length does not alter |
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Define Isotonic contractions |
Muscle contraction that results in limb movement |
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State all 11 muscles |
Deltoid, Trapezius, Latissimus Dorsi, Pectorals, Abdominals, Biceps, Triceps, Gluteus, Quadriceps, Hamstrings, Gastrocnemius |
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How do antagonistic muscles work |
When one muscle contracts and pulls, the other relaxes to allow the joint to work |
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Give an example of antagonistic muscles |
Bicep and Tricep or Hamstring and Quadriceps |
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What does the deltoid do |
Abducts the upper arm from the body |
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Give an example of when the deltoid is used in sports |
The deltoid is used when a person is serving in tennis |
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What does the trapezius do |
Rotates the shoulder blades backwards |
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Give an example of when the trapezius is used in sports |
The trapezius is used when you are rowing |
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What does the latissimus dorsi do |
It rotates the upper arm at the shoulders |
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Give an example of when the latissimus dorsi is used in sports |
The latissimus dorsi is used when you are swimming the butterfly |
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What does the pectoral muscle do |
It helps with the abduction of the arm |
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Give an example of when the pectoral muscle is used in sports |
The pectoral muscle is used when swimming the front crawl |
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What does the abdominal muscle do |
It helps with the flexion, bending and rotation of the trunk |
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Give an example of when the abdominal muscle is used in sports |
The abdominal muscle is used when you are rowing |
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What does the biceps do |
It helps with the flexion of the arm at the elbow |
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Give an example of when the bicep is used in sports |
The bicep is used when bending your arm ready to throw a cricket ball |
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What does the triceps do |
It helps with the extension of the arm at the elbow |
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Give an example of when the tricep is used in sports |
The tricep is used when you're straightening your arm to throw a cricket ball |
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What does the gluteus do |
It helps with the extension of the upper leg |
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Give an example of when the gluteus is used in sports |
The gluteus is used when running during a long distance event eg marathon. It also helps to maintain a good body posture |
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What does the quadriceps do |
It helps with the extension of the leg at the knee |
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Give an example of when the quadriceps is used in sports |
The quadriceps is used when you are about to kick a football into the goal |
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What does the hamstrings do |
It helps with the flexion of the leg at the knee |
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Give an example of when the hamstring is used in sports |
The hamstring is used when you are sprinting a 100m race, it helps to bend your leg |
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What does the gastrocnemius do |
It helps with the plantar flexion of the foot |
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Give an example of when the gastrocnemius is used in sports |
The gastrocnemius is used when you are running (any running event), it helps by pushing onto the toes |
