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Kamiar Aminian

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Related publications (335)

A new ambulatory system for comparative evaluation of the three-dimensional knee kinematics, applied to anterior cruciate ligament injuries

Kamiar Aminian, Julien Favre, Bijan Najafi

The aim of this study was to develop an ambulatory system for the three-dimensional (3D) knee kinematics evaluation, which can be used outside a laboratory during long-term monitoring. In order to show the efficacy of this ambulatory system, knee function ...

Springer-Verlag2006

Quaternion-based fusion of gyroscopes and accelerometers to improve 3D angle measurement

Kamiar Aminian, Julien Favre

Two methods to fuse a 3D gyroscope with a 3D accelerometer in order to measure rotations are presented. They are compared with a method requiring only a 3D gyroscope and assessed with a reference system. The good reported accuracies make this system suitab ...

2006

Estimation and visualization of sagittal kinematics of lower limbs orientation using body-fixed sensors

Kamiar Aminian, Emilio Casanova, Pascal Fua, Hooman Dejnabadi

A new method of estimating lower limbs orientations using a combination of accelerometers and gyroscopes is presented. The model is based on estimating the accelerations of ankle and knee joints by placing virtual sensors at the centers of rotation. The pr ...

Institute of Electrical and Electronics Engineers2006

Fear of falling is an independent predictor of gait improvement in elderly patients undergoing post-acute rehabilitation

Kamiar Aminian, Valérie Besson, Bijan Najafi

2006

Nigrostriatal doapminergic deficit assessed by F-18- fluorodopa-PET in early Parkinson's disease correlates with ambulatory analysis of spatio-temporal parameters of gait

Kamiar Aminian, Arash Salarian

2006

Ambulatory Inertial System for 3D Knee Joint Angles Measurement during Gait

Kamiar Aminian, Julien Favre

2006

Relationships between dual-task related changes in stride velocity and stride time variability in healthy older adults

Kamiar Aminian, Bijan Najafi

Dual-task related gait changes have been previously reported for healthy older adults, suggesting that gait control requires attention. Compared to balance control, the involvement of attention in the control of the rhythmic stepping mechanism, as reflecte ...

2006

A new index for assessing human postural control

Kamiar Aminian, Bijan Najafi

2005

Effect of a pilot gait and balance training program: The importance of fear of falling

Kamiar Aminian, Valérie Besson

2005

Improved physical activity in patients treated for chronic pain by spinal cord stimulation

Kamiar Aminian, Bijan Najafi, Anisoara Ionescu

The objective of this study was to objectively assess the physical activity of daily living in chronic pain patients treated with spinal cord stimulation (SCS). Changes in pain and spontaneous physical activity following SCS were evaluated under real life ...

2005

6.22 Analysis of postural coordination during voluntarysway using cop feedback

Kamiar Aminian, Bijan Najafi

2005

Dual-task-related gait changes in the elderly: Does the type of cognitive task matter?

Kamiar Aminian

Dual-task-related gait changes among older adults while they perform spoken verbal tasks have been reported frequently. The authors examined whether the type of walking-associated spoken verbal task matters for dual-task-related gait changes in 16 older ad ...

2005

A new approach to accurate measurement of uniaxial joint angles based on a combination of accelerometers and gyroscopes

Kamiar Aminian, Hooman Dejnabadi

A new method of measuring joint angle using a combination of accelerometers and gyroscopes is presented. The method proposes a minimal sensor configuration with one sensor module mounted on each segment. The model is based on estimating the acceleration of ...

2005

18.15 The importance of fear of falling on gaitperformance in elderly patients admitted for post-acute rehabilitation

Kamiar Aminian, Valérie Besson, Bijan Najafi

2005

Stair climbing detection during daily physical activity using a miniature gyroscope

Kamiar Aminian, Brian Coley, Bijan Najafi, Anisoara Ionescu

A new method of monitoring physical activity that is able to detect walking upstairs using a miniature gyroscope attached to the shank is presented. Wavelet transformation, in conjunction with a simple kinematics model, was used to detect toe-off, heel-str ...

2005

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