# Coordinate Systems Flashcards

Divides: Right and Left

Sagittal Plane

Divides: Anterior-Posterior

Frontal (Corona) Plane

Divides: Superior-Posterior

Transverse Plane

Cartesian coordinate system is aka (2)

Orthogonal or Rectangular coordinate system

Orthogonal coordinate system means what?

Its coordinating surfaces meet at right angles to another.

What are the 3 axes of motion?

x, y, and z

How are the 3 axes of motion formed?

By the junction of 2 planes

The movement in a STRAIGHT LINE ALONG and axis.

translation

Movement occurs AROUND and axis.

rotation

What is the most common motion in the body?

Coupled movment

Coupled movement aka?

Curvilinear motion

Coupled motion combines what two movements?

Rotation and translation

How many “degrees of freedom” are there?

6

The potential exists for each joint to exhibit _______ movements and ________ rotational movements.

3 translational

3 rotational

The x-axis is the junction of what two planes?

Coronal and transverse

The Y-axis is the junction of what two planes?

Coronal and sagittal