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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

A
18
Q

What are the factors affecting stability

A
19
Q

The height of the centre of mass

A
20
Q

Position of teh line of gravity

A
21
Q

Area of the support base

A
22
Q

Mass of the performer

A
23
Q

Levers

A
24
Q

Fulcrum

A
25
Q

Resistance/Load

A
26
Q

Effort

A
27
Q

First class lever system

A
28
Q

Sporting example of a first class lever system

A
29
Q

Advantages of a first class lever system

A
30
Q

Disadvantages of a first class lever system

A
31
Q

Second class lever system

A
32
Q

Sporting example of the second class lever system

A
33
Q

Advantages of a Second class lever system

A
34
Q

Disadvantages of a Second class lever system

A
35
Q

Third class system

A
36
Q

Sporting examples of third class

A
37
Q

Advantages of a Third class lever system

A
38
Q

Disadvantages of a Third class lever system

A
39
Q

Effort arm

A
40
Q

Mechanical advantage

A
41
Q

Resistance arm

A
42
Q

Mechanical disadvantage

A

Exercise Physiology (14 decks)

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