Unit 2- Movement Analysis Flashcards

1
Q

State 4 parts of a lever

A

Lever arm, fulcrum, load and effort

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2
Q

What is the lever arm

A

The bone

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3
Q

What is the fulcrum

A

The joint (where the lever rotates)

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4
Q

What is the load

A

The weight of resistance to be moved (either a weight or body weight)

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5
Q

What is the effort

A

Force applied to lift the load (muscle)

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6
Q

What are the names of each lever

A

1st class, 2nd class, 3rd class

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7
Q

What is the load arm

A

Distance from the fulcrum to the load

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8
Q

What is the effort arm

A

Distance from fulcrum to the effort

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9
Q

What is mechanical advantage

A

When large loads can be lifted easily with little effort , smaller range of movement

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10
Q

What is mechanical disadvantage

A

When large loads can be lifted but with most effort creating a bigger faster movement, there is a greater range of movement

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11
Q

What is a plane

A

Imaginary line dividing the body in two

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12
Q

What is an axis

A

Imaginary straight line around which the body rotates

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13
Q

Name the 3 types of planes found in the body

A

Sagittal frontal transverse

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14
Q

Name the 3 axis found in the body

A

Sagittal frontal vertical

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15
Q

What plane goes with the frontal axis

A

Sagittal

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16
Q

What plane goes with the sagittal axis

17
Q

What plane goes with the vertical axis

A

Transverse

18
Q

Acronym to remember plane and axes

A

Falling sideways = frontal sagittal
Spinning forwards = sagittal frontal
Twisting vertically = transverse vertical

19
Q

What is the frontal plane

A

Divides you into front and back

20
Q

What occurs at the sagittal axis

A

Adduction and abduction

21
Q

What is the sagittal plane

A

Divides you into left and right

22
Q

What occurs at the frontal axis

A

Flexion and extension

23
Q

What is the traverse plane

A

Divides into top and bottom

24
Q

What movement occurs at the vertical axes

25
Where does 1st class lever tend to be
Neck joint Or extension at elbow
26
Where does 2nd class lever tend to be
Ball of food joint
27
Where does 3rd class lever tend to be
Flexion at elbow