Exam 1 Flashcards

1
Q

What is biomechanics

A

Study of movement of living things using the science of mechanics

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2
Q

What is human movement made up of

A

Internal forces = muscles

External forces = collisions, landings and wind resistance

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3
Q

What is rigid body mechanics broken up into

A

Kinematics

Kinetics

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4
Q

What is a Rigid body

A

A solid body in which deformation is zero or so small that it can be neglected

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5
Q

What is rigid body mechanics

A

Assume the bodies are rigid and do not deform under the action of applied forces

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6
Q

What is Kinematics

A
Time
Velocity
Angle
Position
Acceleration
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7
Q

What is Kinetics

A
Force
Torque
Impulse
Work
Power
Momentum
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8
Q

What is the purpose of studying biomechanics

A

Improve performance

Reduced injury risk

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9
Q

By improving human performance we

A

Improve high achieving athletic performance

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10
Q

Human performance is

A

NOT limited to high achieving athletic competitions

Performance occurs during any human activity

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11
Q

We can reduce injury risk by what two areas

A

The mechanics results from injury

The mechanics that are a result of an injury

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12
Q

Mechanic results from injury involve

A

An incorrect landing that leads to an injury e.g. ankle

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13
Q

Mechanics that are a result of an injury involves

A

Changing your gait due to the injury e.g. changing gait due to ankle injury

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14
Q

We cannot ________ all injuries but can _______

A

Eliminate

Decrease the potential of injury

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15
Q

What are the ways we achieve goals

A

Modify movement technique

Equipment research and development

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16
Q

What are the different tools and methods used in biomechanics

A

Observation

2D video analysis

3D motion capture system

Force Platforms

Surface EMG

Plantar pressure system

Inertia measurement units

GPS receiver

17
Q

Why is 3D motion capture not always used

Where is it used

A

Expensive

Used in movies
Animation
Sport