Kinesiology.txt

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Define force

Push or pull action
Define vector

Quantity of magnitude and direction
Define velocity

A vector that describes speed or displacement
Define scalar

Only describes magnitude
Define mass

Amount of matter body contains
Define inertia

Resistance to change
Define torque

Force will produce rotation around an axis
Define friction

Motion of one surface across another
What's newton first law of motion

Inertia. an object at rest stays at rest, a object in motion stays in motion
What's newton second law of motion

Acceleration depends on the strength of the force applied to an object
What's Newton's third law

Action reaction law. for every action there is an equal and opposite reaction
What's a linear force

Two or more forces acting the same plane
What's a concurrent force

Forces using a common point but push or pull in divergent directions
What's a resultant force

Net effect of two divergent forces
What's a force couple

Two or more forces acting in equal force but opposite directions
What is COG
- Balance point of an object
- Center of gravity about S2 when standing
What is BOS

body in contact with support surface
what is LOG

vertical line of gravity passing through COG
What's is LOB

Loss of balance COG outside BOS
What is a first class lever and give an example
- Force Axis Resistance
- Seesaw
- head in flexion and extension
What is class 2 lever and give an example
- Axis Resistance Force
- Wheelbarrow
- Ankle PF And flexion of the brachioradialis
What is a class three lever and give an example
- Axis Force Resistance
- Elbow flexion biceps brachii
What is an example of a fixed pulley for the human body

Lateral malleolus
There are many moveable pulleys in the human body true or false

False

Author

Losdigity72

241106

Card Set

Kinesiology.txt

Description

biomechanics

Updated

2013-10-28T16:07:35Z