biomechanics
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35 Terms
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Bones
________ and muscles work together to create movement.
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Torque
________: the tendency of a force to cause a rotational movement around the axis.
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Dynamics
________: study of systems that are in motion with acceleration.
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Biomechanics
________: involves the study of how the body moves.
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velocity
Kinematics: describing the characteristics in motion (displacement, ________, time, etc .)
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human body
In the ________ there are three types of machines that provide movent.
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Mechanics
________: the study of physical movement that results from forces.
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Force
________ against a resistance causes the lever to rotate.
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Mechanical advantage
________= force or resistance.
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Kinetics
________: study of forces that are associated with movement of the human body.
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Wheels
________ and Axles: used to enhance range of motion as well as speed of movement.
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axis of rotation
Levers (most common): rigid bars that turn about a(n) ________.
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Kinematics
________ and Kinetics: additional components in the field of biomechanics.
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amount of force
Reduces the ________ needed to overcome a given resistance by enhancing the force.
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Pulleys
________: a single pulley has a fixed axle.
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→ mechanical advantage
________= radius of the wheel /radius of the axle.
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great amount of force
A(n) ________ is required in order to move a relatively small amount of resistance.
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range of motion
Increases the speed and /or distance of the given resistance enhancing ________.
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mechanical advantage
The goal of the machine is to work in a cohesive unit to provide a(n) ________.
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human body
The ________ acts as a machine.
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Axis of rotation
________ is the same thing as a fulcrum.
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Biomechanics
involves the study of how the body moves
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Mechanics
the study of physical movement that results from forces
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Statics
the study of systems that are in a consistent state of motion
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Dynamics
study of systems that are in motion with acceleration
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Kinematics and Kinetics
additional components in the field of biomechanics
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kinematics
describing the characteristics in motion (displacement, velocity, time, etc.)
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Kinetics
study of forces that are associated with movement of the human body
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Levers (most common)
rigid bars that turn about an axis of rotation
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Purpose
assist in balanced movements
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Torque
the tendency of a force to cause a rotational movement around the axis
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→ calculated as
force magnitude X force arm
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→ resistance arm
distance between axis and point of resistance application
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Wheels and Axles
used to enhance range of motion as well as speed of movement
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Pulleys
a single pulley has a fixed axle
Flashcards (52)