Coordinate Systems Flashcards
1
Q
Why are coordinate systems necessary?
A
to accurately describe and provide context to motion for comparison
2
Q
What do coordinate systems define?
A
movement with respect to a known point, location, or axis of rotation
3
Q
How are coordinate systems established?
A
arbitrarily establish and can be placed inside or outside of the body
4
Q
What is the local (relative) coordinate system used to describe?
A
the position of one segment relative to the position of an adjacent segment
5
Q
What is the global (laboratory) coordinate system used to describe?
A
position with respect to a fixed point or location in space
6
Q
What is the cartesian coordinate system used for?
A
lab-based movement analysis research
