what are physiological factors
human factor data related to physical characteristics
comfort
a persons sense of physical or psychological ease
fatigue
a persons sense of physical or psychological tiredness
biomechanics
related to the mechanics of living organisms
Biomechanics 4 criteria
Force: excessive impact on joints
duration: continuous muscular effort
repetition: many work tasks and cycle are repetitive
posture: carriage of the body, altitude of the body or the position of the arms and legs