Determine the Foot Strike Pattern Using Inertial Sensors

  • Shiang T
  • Hsieh T
  • Lee Y
  • et al.
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Abstract

From biomechanical point of view, strike pattern plays an important role in preventing potential injury risk in running. Traditionally, strike pattern determination was conducted by using 3D motion analysis system with cameras. However, the procedure is costly and not convenient. With the rapid development of technology, sensors have been applied in sport science field lately. Therefore, this study was designed to determine the algorithm that can identify landing strategies with a wearable sensor. Six healthy male participants were recruited to perform heel and forefoot strike strategies at 7, 10, and 13 km/h speeds. The kinematic data were collected by Vicon 3D motion analysis system and 2 inertial measurement units (IMU) attached on the dorsal side of both shoes. The data of each foot strike were gathered for pitch angle and strike index analysis. Comparing the strike index from IMU with the pitch angle from Vicon system, our results showed that both signals exhibited highly correlated changes between different strike patterns in the sagittal plane ( r=0.98 ). Based on the findings, the IMU sensors showed potential capabilities and could be extended beyond the context of sport science to other fields, including clinical applications.

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APA

Shiang, T.-Y., Hsieh, T.-Y., Lee, Y.-S., Wu, C.-C., Yu, M.-C., Mei, C.-H., & Tai, I.-H. (2016). Determine the Foot Strike Pattern Using Inertial Sensors. Journal of Sensors, 2016, 1–6. https://doi.org/10.1155/2016/4759626

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