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Exercise Physiology > Biomechanics > Flashcards

Biomechanics Flashcards

1
Q

Linear motion

A

Motion in a straight or curved line, with all body parts oving the same distance at the same speed in the same direction

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2
Q

Newton’s first law

A

A object will remain in motion o at a constant speed unless acted on by another force

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3
Q

Sporting examples of Newton’s first law

A
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4
Q

Inertia

A

The resistance an object has to a change in its state of motion

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5
Q

How to calculate force

A

Force = Mass x Acceleration

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6
Q

Newton’s second law
(Acceleration)

A

The momentum of a body is proportional to the force causing it

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7
Q

Sporting examples of Newton’s second law

A
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8
Q

Newton’s third law

A

Every action has a equal and opposite reaction

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9
Q

Sporting examples of Newton’s third law

A
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10
Q

Ground reaction force

A
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11
Q

What measurements used in linear motion

A
  • Speed
  • Distance
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12
Q

Speed

A
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13
Q

How is speed is calculated

A
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14
Q

Distance

A
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15
Q

How is distance calculated

A
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16
Q

Centre of mass

A
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17
Q

Line of gravity

18
Q

What are the factors affecting stability

19
Q

The height of the centre of mass

20
Q

Position of teh line of gravity

21
Q

Area of the support base

22
Q

Mass of the performer

23
Q

Levers

24
Q

Fulcrum

25
Resistance/Load
26
Effort
27
First class lever system
28
Sporting example of a first class lever system
29
Advantages of a first class lever system
30
Disadvantages of a first class lever system
31
Second class lever system
32
Sporting example of the second class lever system
33
Advantages of a Second class lever system
34
Disadvantages of a Second class lever system
35
Third class system
36
Sporting examples of third class
37
Advantages of a Third class lever system
38
Disadvantages of a Third class lever system
39
Effort arm
40
Mechanical advantage
41
Resistance arm
42
Mechanical disadvantage

Exercise Physiology (14 decks)

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