AIMC Topic: Ankle

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Torque Curve Optimization of Ankle Push-Off in Walking Bipedal Robots Using Genetic Algorithm.

Sensors (Basel, Switzerland) May 14, 2021
Ankle push-off occurs when muscle-tendon units about the ankle joint generate a burst of positive power at the end of stance phase in human walking. Ankle push-off mainly contributes to both leg swing and center of mass (CoM) acceleration. Humans use...
Humans Biomechanical Phenomena Torque Ankle Joint Ankle Robotics Walking Gait
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Machine learning analysis to predict the need for ankle foot orthosis in patients with stroke.

Scientific reports Apr 19, 2021
We investigated the potential of machine learning techniques, at an early stage after stroke, to predict the need for ankle-foot orthosis (AFO) in stroke patients. We retrospectively recruited 474 consecutive stroke patients. The need for AFO during ...
Foot Orthoses Range of Motion, Articular Ankle Gait Disorders, Neurologic Retrospective Studies Female Biomechanical Phenomena Male Middle Aged Stroke Humans Machine Learning
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Estimation of the Continuous Walking Angle of Knee and Ankle (Talocrural Joint, Subtalar Joint) of a Lower-Limb Exoskeleton Robot Using a Neural Network.

Sensors (Basel, Switzerland) Apr 16, 2021
A lower-limb exoskeleton robot identifies the wearer's walking intention and assists the walking movement through mechanical force; thus, it is important to be able to identify the wearer's movement in real-time. Measurement of the angle of the knee ...
Humans Neural Networks, Computer Knee Joint Walking Gait Biomechanical Phenomena Lower Extremity Robotics Subtalar Joint Ankle Joint Ankle Exoskeleton Device
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State of the art in parallel ankle rehabilitation robot: a systematic review.

Journal of neuroengineering and rehabilitation Mar 20, 2021
BACKGROUND: The ankle joint complex (AJC) is of fundamental importance for balance, support, and propulsion. However, it is particularly susceptible to musculoskeletal and neurological injuries, especially neurological injuries such as drop foot foll...
Physical Therapy Modalities Peroneal Neuropathies Technology Biomechanical Phenomena Robotics Equipment Design Stroke Ankle Joint Rotation Ankle Injuries Humans Ankle
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Toward improving functional recovery in spinal cord injury using robotics: a pilot study focusing on ankle rehabilitation.

Expert review of medical devices Mar 5, 2021
BACKGROUND: Conventional physical therapy interventions are strongly recommended to improve ambulation potential and upright mobility in persons with incomplete spinal cord injury (iSCI). Ankle rehabilitation plays a significant role, as it aims to s...
Ankle Gait Spinal Cord Injuries Time and Motion Studies Retrospective Studies Female Male Pilot Projects Humans Robotics Postural Balance
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Weight-bearing CT in foot and ankle pathology.

Orthopaedics & traumatology, surgery & research : OTSR Dec 13, 2020
Cone-beam scanners (CBCT) enable CT to be performed under weight-bearing - notably for the foot and ankle. The technology is not new: it has been used since 1996 in dental surgery, where it has come to replace panoramic X-ray. What is new is placing ...
Humans Ankle Weight-Bearing Artificial Intelligence Cone-Beam Computed Tomography France
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Automated measurement of hip-knee-ankle angle on the unilateral lower limb X-rays using deep learning.

Physical and engineering sciences in medicine Nov 30, 2020
Significant inherent extra-articular varus angulation is associated with abnormal postoperative hip-knee-ankle (HKA) angle. At present, HKA is manually measured by orthopedic surgeons and it increases the doctors' workload. To automatically determine...
Knee Ankle X-Rays Hip Reproducibility of Results Deep Learning Humans Lower Extremity Retrospective Studies
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Robot Assisted Ankle Neuro-Rehabilitation: State of the art and Future Challenges.

Expert review of neurotherapeutics Nov 16, 2020
: Robot-assisted neuro-rehabilitation is gaining acceptability among the physical therapy community. The ankle is one of the most complicated anatomical joints in the human body and neurologic injuries such as stroke often result in ankle and foot di...
Stroke Ankle Joint Ankle Physical Therapy Modalities Stroke Rehabilitation Humans Robotics
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Passive Exercise Adaptation for Ankle Rehabilitation Based on Learning Control Framework.

Sensors (Basel, Switzerland) Oct 31, 2020
Ankle injuries are among the most common injuries in sport and daily life. However, for their recovery, it is important for patients to perform rehabilitation exercises. These exercises are usually done with a therapist's guidance to help strengthen ...
Physical Therapy Modalities Ankle Joint Ankle Injuries Ankle Humans Robotics Exercise Therapy
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Wearable Biofeedback Improves Human-Robot Compliance during Ankle-Foot Exoskeleton-Assisted Gait Training: A Pre-Post Controlled Study in Healthy Participants.

Sensors (Basel, Switzerland) Oct 17, 2020
The adjunctive use of biofeedback systems with exoskeletons may accelerate post-stroke gait rehabilitation. Wearable patient-oriented human-robot interaction-based biofeedback is proposed to improve patient-exoskeleton compliance regarding the intera...
Ankle Exoskeleton Device Stroke Rehabilitation Biofeedback, Psychology Gait Healthy Volunteers Gait Disorders, Neurologic Humans Female Male Wearable Electronic Devices Robotics
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