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Several mass–spring–damper models have been developed to study the response of a human body where mass, spring, and damper elements represent mass of different body parts, stiffness, and damping properties of various tissues.

In this example, a lumped model of a human body having five degrees of freedom is analyzed. The model includes the shoe-ground interaction with the human body. The Mass, Spring, and Damper nodes of the Lumped Mechanical System interface are used to model the body including shoe and ground. First, an eigenfrequency study is performed to find out the natural frequencies of the system and then a frequency response analysis is performed to compute the system response for a specified base excitation.