Anthropometrics Flashcards
Anthropometry
Application of physical measurement techniques on human subjects to design standards, specs, etc.
2 requirements of rigid body analysis
Masses of segments, locations of the centers of mass
Kinematics
Coordinates of velocity and acceleration
Kinetics
Forces and torques
Dynamics
Equations of motion
Center of gravity
One axis, direction of gravity
Center of mass
Two axes
Static anthropometry
Measurements taken when the body is in a fixed position
Dynamic/functional anthropometry
Measurements taken when the body is engaged in physical activity
Design for extremes
Considers both the highest and lowest percentile
Design for adjustable range
Considers many percentiles and product adjusts
Design for the average
Considers 50th percentile only
Link-segment model
Modeled as single pivot hinges, segments are modeled as rigid mechanical links
Percentile calculations
z = (x-mu)/sigma
