1. Angular Kinematics Objectives
Distinguish angular motion from rectilinear and curvilinear motion
Explain how segment and joint angles are measured Discuss the relationship among angular displacement, angular velocity, and angular acceleration
Correctly associate associate angular kinematic quantities with their units of measure
Explain the relationship between angular and linear displacement, angular and linear velocity, and angular and linear acceleration
Solve quantitative problems involving angular kinematic quantities and the relationship between angular and linear quantities

2. Angular Kinematics Outline
Reading assignment: Chapter 11
Measuring angles
Relative vs absolute angles
Goniometer
Inclinometer
Electrogoniometer
Analytic calculation from 3 points in space
Angular displacement
Units of measurement
Relationship between linear and angular motion
Linear and angular acceleration
Self-study problems: Introductory problems, pp : 4,5,7,10
Homework problems (due Monday, April 19): Additional problems, p : 1,10

3. Measuring angles of bodily segments
Leighton flexometer
Goniometer

4. Measuring joint angles
Joint centers form
Vertices for jt angles
Segment angles
Joint angles

5. Units of angular measurement
Degrees
Radians
Revolutions

6. Relationship between linear and angular motion (kinematics)

7. Relationship between linear and angular motion
Would you rather have a long or short baseball bat or tennis racquet?
(sample problem 2, p 372)

8. Tangential and radial acceleration
Tangential acceleration represents change in magnitude of velocity
Sample prob
#3, p 375
Radial acceleration represents change in direction