Locomotion and sensory faculties - muscles and muscle control, vision, auditon, touch and proprioception.;Disabilities due to disease and trauma. Paralysis of movement, sensory loss. Degrees of loss. Combinations of loss. Statistical distribution of disabilities in the population.;Assessment and evaluation of disability. Resolution, speed and dexterity. Methods and devices for measurement. Movement analysis for walking and hand dexterity. Visual and auditory testing. Balance, proprioception and touch mapping.;Aids for the disabled. Mobility aids and patient interfaces. Sensory aids. Mobility aids: wheelchairs, artificial limbs. Design specifications. Aids for the blind- mobility aids, reading aids. Design examples. Aids for the hearing impaired. Design examples. Additional requirements of sids for mulitple disabilities- motor+sensory loss, motor+visual loss, etc.;Safety issues. Special safety needs for those with motor and/or sensory disabilities.;Cost of production and maintenance. Socioeconomics of disabilities in India.;Seminar and design project.