Ambulatory measurement of ankle kinetics for clinical applications

Rouhani, Hossein; Favre, Julien; Crevoisier, Xavier; Aminian, Kamiar

doi:10.1016/j.jbiomech.2011.07.021

Cited by 33 publications

(27 citation statements)

References 40 publications

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“…These differences may be attributable to the transformation of coordinate systems, which were necessary to allow comparisons. The CoP estimates agreed well and showed differences that were similar to or smaller than those reported in other studies with the IFS (Liedtke et al, 2007;Faber et al, 2010a;Schepers et al, 2007) or with plantar pressure insoles (Rouhani et al, 2011).…”

Section: Grf and Cop Estimation With The Ifssupporting

confidence: 87%

“…The differences were smaller than or similar to those reported earlier with the IFS (Liedtke et al, 2007;Schepers et al, 2007;Faber et al, 2010a) and with plantar pressure insoles (an ambulatory system as an alternative to IFS) (Rouhani et al, 2011). Faber et al also reported a 2% under-estimation of the vertical GRF measured with the IFS compared to a force plate (Faber et al, 2010a).…”

Section: Grf and Cop Estimation With The Ifssupporting

confidence: 67%

“…reported smaller differences in knee moments estimated with an IFS and linked-segment model, when compared to our results. However, in their linked-segment model the ankle position was measured directly with the LabBM optoelectronic system Rouhani et al (2011). did not report results on knee kinetics measured with plantar pressure insoles…”

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confidence: 99%

See 2 more Smart Citations

The knee adduction moment measured with an instrumented force shoe in patients with knee osteoarthritis

Noort

Esch

Steultjens

et al. 2012

Journal of Biomechanics

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Section: Grf and Cop Estimation With The Ifssupporting

confidence: 87%

Section: Grf and Cop Estimation With The Ifssupporting

confidence: 67%

See 1 more Smart Citation

The knee adduction moment measured with an instrumented force shoe in patients with knee osteoarthritis

Noort

Esch

Steultjens

et al. 2012

Journal of Biomechanics

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“…The final result for F X (k) is given in (20) at the bottom of the next page. Similarly, the Jacobian matrix H(k) = where elements of H(k) are given in (21) at the bottom of the page. Note that the IMU measurements are used to calculate F X (k) and H(k) through (4), (3), (7), and (8).…”

Section: Appendix B Ekf Implementationmentioning

confidence: 99%

“…Unlike magnetic and ultrasonic sensors, the force sensors are reliable and robust to environmental disturbances and do not have the line-of-sight restriction. The fusions of force and inertial sensors have been used to measure the interaction kinetics between human and environment [21]- [24]. However, the work in [21]- [24] uses the force and inertial sensors to obtain kinetic measurements and none of them uses the force measurements to enhance the pose estimation.…”

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confidence: 99%

Rider Trunk and Bicycle Pose Estimation With Fusion of Force/Inertial Sensors

Zhang

Chen

2013

IEEE Trans. Biomed. Eng.

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Abstract-Estimation of human pose in physical humanmachine interactions such as bicycling is challenging because of highly-dimensional human motion and lack of inexpensive, effective motion sensors. In this paper, we present a computational scheme to estimate both the rider trunk pose and the bicycle roll angle using only inertial and force sensors. The estimation scheme is built on a rider-bicycle dynamic model and the fusion of the wearable inertial sensors and the bicycle force sensors. We take advantages of the attractive properties of the robust force measurements and the motion-sensitive inertial measurements. The rider-bicycle dynamic model provides the underlying relationship between the force and the inertial measurements. The extended Kalman filter-based sensor fusion design fully incorporates the dynamic effects of the force measurements. The performance of the estimation scheme is demonstrated through extensive indoor and outdoor riding experiments.Index Terms-Accelerometer and gyroscope, cycling, force sensor, motion and pose estimation, sensor fusion.

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Outcome of unilateral ankle arthrodesis and total ankle replacement in terms of bilateral gait mechanics

et al. 2013

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Previous studies assessed the outcome of ankle arthrodesis (AA) and total ankle replacement (TAR) surgeries; however, the extent of postoperative recovery towards bilateral gait mechanics (BGM) is unknown. We evaluated the outcome of the two surgeries at least 2 years post rehabilitation, focusing on BGM. 36 participants, including 12 AA patients, 12 TAR patients, and 12 controls were included. Gait assessment over 50 m distance was performed utilizing pressure insoles and 3D inertial sensors, following which an intraindividual comparison was performed. Most spatiotemporal and kinematic parameters in the TAR group were indicative of good gait symmetry, while the AA group presented significant differences. Plantar pressure symmetry among the AA group was also significantly distorted. Abnormality in biomechanical behavior of the AA unoperated, contralateral foot was observed. In summary, our results indicate an altered BGM in AA patients, whereas a relatively fully recovered BGM is observed in TAR patients, despite the quantitative differences in several parameters when compared to a healthy population. Our study supports a biomechanical assessment and rehabilitation of both operated and unoperated sides after major surgeries for ankle osteoarthrosis. ß

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Ambulatory measurement of ankle kinetics for clinical applications

Cited by 33 publications

References 40 publications

The knee adduction moment measured with an instrumented force shoe in patients with knee osteoarthritis

The knee adduction moment measured with an instrumented force shoe in patients with knee osteoarthritis

Rider Trunk and Bicycle Pose Estimation With Fusion of Force/Inertial Sensors

Outcome of unilateral ankle arthrodesis and total ankle replacement in terms of bilateral gait mechanics

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