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Musculoskeletal system biomechanics is the scientific study of the response of bones and muscles to external specific conditions. In the early stages of industrial product design, the response of the musculoskeletal system to external stimuli determines the direction for further product improvements. Typically, researchers in musculoskeletal biomechanics use numerical simulation technologies. In earlier years, this included modules under the Adams multibody simulation system, such as LifeMod, later AnyBody Modeling System, and OpenSim, an open-source software developed by Stanford University. These simulation systems come with detailed parameters of the human skeleton and hundreds of muscles, using inverse dynamics methods to solve for muscle responses within the human system under given external force conditions. One of the most representative applications of musculoskeletal biomechanics is in the field of human factors engineering or ergonomics, where it plays a crucial role in understanding and improving the interaction between humans and machines. Musculoskeletal Biomechanics  Using OpenSim to investigate the muscle metabolism of the lower limbs when walking with an exoskeleton. Musculoskeletal System Simulation Evaluating the response of the muscle around the ankle joint to a rehabilitation device to assess the effectiveness of the equipment design. The most widely known musculoskeletal system simulation software includes the AnyBody Modeling System developed by Aalborg University in Denmark and OpenSim developed by Stanford University. OpenSim, supporting C++ development, has stronger capabilities for secondary development, while AnyBody is more powerful in terms of functionality. The video on the left shows the impact of vibration during airplane flights on passengers' muscle fatigue and activation levels. In contrast, the video on the right displays the mobilization of lower limb muscles during human-equipment interaction. These results can provide references for the design of aircraft seats or rehabilitation fitness equipment. Musculoskeletal simulation systems can typically provide characteristic information about specific muscles during activity. Depending on the muscle model used (such as the Hill-type three-element muscle or a simpler muscle model), this information may include muscle force, force generated by the contractile component, contraction velocity of the contractile component, forces in tendons or connective tissues, elastic potential energy stored in muscles and tendons, and maximum muscle activation levels, among others. Our offers professional services related to musculoskeletal system simulation, including model establishment, model validation, simulation implementation, and result analysis. Investigating human muscle activation under different vibration frequencies by adding vibration to a seat +8618366748292 qfnucss-yangchen@foxmail.com jinpf018@gmail.com 350 Hengren Road, Yangpu District, Shanghai, China Using Wechat to contact us. |