AIMC Topic: Lower Extremity

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Fully automated deep learning for knee alignment assessment in lower extremity radiographs: a cross-sectional diagnostic study.

Skeletal radiology Nov 13, 2021
OBJECTIVES: Accurate assessment of knee alignment and leg length discrepancy is currently measured manually from standing long-leg radiographs (LLR), a process that is both time consuming and poorly reproducible. The aim was to assess the performance...
Humans Retrospective Studies Female Male Deep Learning Aged Lower Extremity Cross-Sectional Studies Reproducibility of Results
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MotorSkins-a bio-inspired design approach towards an interactive soft-robotic exosuit.

Bioinspiration & biomimetics Oct 25, 2021
The work presents a bio-inspired design approach to a soft-robotic solution for assisting the knee-bending in users with reduced mobility in lower limbs. Exosuits and fluid-driven actuators are fabric-based devices that are gaining increasing relevan...
Exoskeleton Device Self-Help Devices Robotics Robotic Surgical Procedures Lower Extremity
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Feature Selection and Validation of a Machine Learning-Based Lower Limb Risk Assessment Tool: A Feasibility Study.

Sensors (Basel, Switzerland) Sep 27, 2021
Early and self-identification of locomotive degradation facilitates us with awareness and motivation to prevent further deterioration. We propose the usage of nine squat and four one-leg standing exercise features as input parameters to Machine Learn...
Feasibility Studies Locomotion Risk Assessment Lower Extremity Machine Learning
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Action Recognition of Lower Limbs Based on Surface Electromyography Weighted Feature Method.

Sensors (Basel, Switzerland) Sep 13, 2021
To improve the recognition rate of lower limb actions based on surface electromyography (sEMG), an effective weighted feature method is proposed, and an improved genetic algorithm support vector machine (IGA-SVM) is designed in this paper. First, for...
Algorithms Electromyography Support Vector Machine Lower Extremity
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Walking with robot-generated haptic forces in a virtual environment: a new approach to analyze lower limb coordination.

Journal of neuroengineering and rehabilitation Sep 9, 2021
BACKGROUND: Walking with a haptic tensile force applied to the hand in a virtual environment (VE) can induce adaptation effects in both chronic stroke and non-stroke individuals. These effects are reflected in spatiotemporal outcomes such as gait spe...
Humans Biomechanical Phenomena Walking Speed Stroke Rehabilitation Stroke Walking Gait Lower Extremity Robotics
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Machine learning analysis of multispectral imaging and clinical risk factors to predict amputation wound healing.

Journal of vascular surgery Jul 24, 2021
OBJECTIVE: Prediction of amputation wound healing is challenging due to the multifactorial nature of critical limb ischemia and lack of objective assessment tools. Up to one-third of amputations require revision to a more proximal level within 1 year...
Prospective Studies Pilot Projects Prognosis Treatment Outcome Lower Extremity Surgical Wound Hyperspectral Imaging Wound Healing Amputation, Surgical Male Chronic Limb-Threatening Ischemia Middle Aged Feasibility Studies Risk Assessment Humans Regional Blood Flow Machine Learning Risk Factors Female Aged
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A deep learning approach to automatically quantify lower extremity alignment in children.

Skeletal radiology Jul 13, 2021
OBJECTIVE: To develop and validate a convolutional neural network (CNN) capable of predicting the anatomical landmarks used to calculate the hip-knee-ankle angles (HKAAs) from radiographs and thereby quantify lower extremity alignments in children.
Child Lower Extremity Tibia Radiography Neural Networks, Computer Deep Learning Adolescent Humans
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Exoskeleton robots for lower limb assistance: A review of materials, actuation, and manufacturing methods.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine Jul 13, 2021
The field of robot-assisted physical rehabilitation and robotics technology for providing support to the elderly population is rapidly evolving. Lower limb robot aided rehabilitation and assistive technology have been a focus for the engineering comm...
Self-Help Devices Aged Lower Extremity Humans Gait Exoskeleton Device Robotics
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Deep learning approach for guiding three-dimensional computed tomography reconstruction of lower limbs for robotically-assisted total knee arthroplasty.

The international journal of medical robotics + computer assisted surgery : MRCAS Jun 14, 2021
BACKGROUND: Robotic-assisted total knee arthroplasty (TKA) was performed to promote the accuracy of bone resection and mechanical alignment. Among these TKA system procedures, 3D reconstruction of CT data of lower limbs consumes significant manpower....
Knee Joint Arthroplasty, Replacement, Knee Knee Prosthesis Lower Extremity Humans Robotic Surgical Procedures Tomography, X-Ray Computed Deep Learning Artificial Intelligence
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Periodic event-triggered sliding mode control for lower limb exoskeleton based on human-robot cooperation.

ISA transactions May 31, 2021
This paper presents a periodic event-triggered sliding mode control (SMC) scheme based on human-robot cooperation for lower limb exoskeletons. Firstly, a Genetic Algorithm-Back propagation (GA-BP) neural network is proposed to estimate the motion int...
Exoskeleton Device Lower Extremity Humans Robotics Electromyography Neural Networks, Computer
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