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Real time visualization of asymmetrical sitting posture

机译：实时可视化不对称坐姿

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Asymmetrical sitting posture (ASP) affects the body mechanics and puts various body segments under strain which may lead to health problems including musculoskeletal pain, low back pain and spinal deformity resulting increased care costs. The tools and methodologies used to assess human posture are often arbitrary and studied by physicians, physiotherapists and researchers in clinical settings. For example, clinical scales such as the Posture Index or Postural Assessment Scale are subjective or semi-subjective, based on visual observation and require clinical expertise to identify asymmetry. More objective gold standard methods such as Motion Capture Systems rely on access to expensive complex equipment based in laboratories. These are not widely available for several reasons including, scarcity of equipment, need for technical staff, time consuming procedures and overall expense. Therefore, there is a need for a low cost, portable automatic posture monitoring system which would help address this challenge. We develop an automatic ASP monitoring system to provide real time visualization and information about sitting posture. We build flexible pressure sensor (FPS) at six different locations on a chair to collect pressure information using piezoresistive conductive film. The collected data from FPSs are then transferred to a smartphone application using Bluetooth. We develop a dedicated Android App to collect FPSs reading and provide real time visualizations of information. The results show that FPS can be used for objective monitoring of sitting posture. It can also be utilized to provide useful information about patients with pelvic asymmetry in rehabilitation medicine. Our system would significantly simplify the sitting posture monitoring protocols and open possibilities for office, school and home based assessment and support for posture improvement. Furthermore, results from this study will be used to develop a new quantitative posture measurement tool for clinical use.
机译：不对称的坐姿（ASP）会影响人体力学，并使各个身体部位承受压力，这可能会导致健康问题，包括肌肉骨骼疼痛，下背部疼痛和脊柱畸形，从而导致护理费用增加。用于评估人体姿势的工具和方法通常是任意的，并由医生，物理治疗师和研究人员在临床环境中进行研究。例如，基于视觉观察，诸如姿势指数或姿势评估量表之类的临床量表是主观的或半主观的，并且需要临床专业知识来识别不对称性。诸如运动捕捉系统之类的更客观的金标准方法依赖于使用实验室中昂贵的复杂设备。由于一些原因，这些设备不能广泛使用，包括设备短缺，需要技术人员，耗时的程序和总费用。因此，需要一种低成本，便携式的自动姿势监测系统，其将有助于解决这一挑战。我们开发了一个自动ASP监视系统，以提供实时可视化和有关坐姿的信息。我们在椅子上的六个不同位置构建了柔性压力传感器（FPS），以使用压阻导电膜收集压力信息。然后使用蓝牙将从FPS收集的数据传输到智能手机应用程序。我们开发了专用的Android应用程序来收集FPS阅读并提供信息的实时可视化。结果表明，FPS可用于客观监测坐姿。它也可用于提供有关康复医学中骨盆不对称患者的有用信息。我们的系统将大大简化坐姿监测协议，并为基于办公室，学校和家庭的评估以及为改善姿势提供支持。此外，这项研究的结果将用于开发一种新的临床临床定量姿势测量工具。

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