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Intra-subject differences in IMU measured lower limb kinematics as a result of different activity intensity and induced fatigue

Moujaly, M.S. (2021) Intra-subject differences in IMU measured lower limb kinematics as a result of different activity intensity and induced fatigue.

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Abstract:Fatigue detection in runners is a process that typically involves an expensive laboratory setup which results can not often be generalized to outdoor running activities. The study presented below has the objective of detecting the effect that running fatigue has on the biomechanics of different lower limb parts by using IMUs. With the hope of detecting behaviors that can be used to assess and indicate the onset of fatigue in runners. Two different datasets of IMU data from runners performing tasks that differ in intensity and duration were analysed. The data was segmented into strides and parameters were looked at during different stages of each run and for each runner: the peak knee flexion (PKF) during swing and stance per stride, the peak hip flexion (PHF) during swing per stride, the peak hip extension (PHE) per stride, the ankle flexion at initial contact (AFIC) per stride, as well as the stride length (SL) and frequency (SF). Intra and inter-subject differences were analysed and a statistical analysis revealed the following results: an increase in PKF stance with fatigue for all inexperienced runners, an increase in PHF swing for all experienced runners and an increase in PHE for all runners.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:42 biology, 44 medicine
Programme:Electrical Engineering BSc (56953)
Link to this item:https://purl.utwente.nl/essays/85537
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