Muscles and Joints Flashcards

1
Q

What is the skeletal/ striped and voluntary muscle? What is an example of it in the body?

A
  • muscle that moves the skeleton (muscle that connects to your bones)
  • example = biceps in the upper arm
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2
Q

what is the definition of a joint? What is an example of it in the body?

A
  • where 2 bones meet together and enable movement of the skeleton
  • example = elbow (hinge joint)
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3
Q

What is the extensor muscle? What is an example of it in the body?

A

A muscle that contracts to cause extension of a joint is called an extensor muscle
- example = straightening your elbow

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4
Q

What is a flexor muscle? What is an example of it in the body?

A
  • (corresponding muscle to the extensor) flexor muscle contracts to reverse the movement
  • it decreases the angle between bones on two sides of a joint
  • example = bending of the elbow
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5
Q

What is an antagonistic pair of muscles? What is an example of it in the body?

A
  • as one muscle contracts, the other muscle relaxes or lengthens = two muscles are needed to move a bone to and fro
  • example = bicep and tricep
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6
Q

What is the synovial joint? What is an example of it in the body?

A
  • that allows for free movement in multiple planes
  • example = ball and socket
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7
Q

What is the synovial fluid? What is an example of it in the body?

A
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8
Q

What is the synovial membrane? What is an example of it in the body?

A
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9
Q

What is a ligament? What is an example of it in the body?

A
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10
Q

What is a tendon? What is an example of it in the body?

A
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11
Q

What is cartilage? What is an example of it in the body?

A
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12
Q

What is the fibrous capsule? What is an example of it in the body?

A
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13
Q

What is the gliding joint? What is an example of it in the body?

A
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14
Q

What is a pivot joint? What is an example of it in the body?

A
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15
Q

What is a fixed joint? What is an example of it in the body?

A
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16
Q

What is the ball and socket joint? What is an example of it in the body?

17
Q

What is a hinge joint? What is an example of it in the body?

19
Q

What is actin?

20
Q

What is myosin?

21
Q

What is neuromuscular junction?

22
Q

What is a sarcomere?

23
Q

What is a sarcoplasm?

24
Q

What is the reticulum?

25
Q

What is the sliding filament theory?

26
Q

What is tropomyosin?

27
Q

What is troponin?