AIMC Topic: Biomechanical Phenomena
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Spring-loaded inverted pendulum modeling improves neural network estimation of ground reaction forces.
Journal of biomechanics
Sep 30, 2020
Inertial-measurement-unit (IMU)-based wearable gait-monitoring systems provide kinematic information but kinetic information, such as ground reaction force (GRF) are often needed to assess gait symmetry and joint loading. Recent studies have reported...
Kinematic parameters obtained with the ArmeoSpring for upper-limb assessment after stroke: a reliability and learning effect study for guiding parameter use.
Journal of neuroengineering and rehabilitation
Sep 29, 2020
BACKGROUND: After stroke, kinematic measures obtained with non-robotic and robotic devices are highly recommended to precisely quantify the sensorimotor impairments of the upper-extremity and select the most relevant therapeutic strategies. Although ...
Biomechanical monitoring and machine learning for the detection of lying postures.
Clinical biomechanics (Bristol, Avon)
Sep 20, 2020
BACKGROUND: Pressure mapping technology has been adapted to monitor over prolonged periods to evaluate pressure ulcer risk in individuals during extended lying postures. However, temporal pressure distribution signals are not currently used to identi...
Automatic Grading of Stroke Symptoms for Rapid Assessment Using Optimized Machine Learning and 4-Limb Kinematics: Clinical Validation Study.
Journal of medical Internet research
Sep 16, 2020
BACKGROUND: Subtle abnormal motor signs are indications of serious neurological diseases. Although neurological deficits require fast initiation of treatment in a restricted time, it is difficult for nonspecialists to detect and objectively assess th...
Rapid two-anchor crawling from a milliscale prismatic-push-pull (3P) robot.
Bioinspiration & biomimetics
Sep 11, 2020
Many crawling organisms such as caterpillars and worms use a method of movement in which two or more anchor points alternately push and pull the body forward at a constant frequency. In this paper we present a milliscale push-pull robot which is capa...
Kinematic Calibration of a Parallel 2-UPS/RRR Ankle Rehabilitation Robot.
Journal of healthcare engineering
Sep 3, 2020
In order to better perform rehabilitation training on the ankle joint complex in the direction of dorsiflexion/plantarflexion and inversion/eversion, especially when performing the isokinetic muscle strength exercise, we need to calibrate the kinemat...
Mechanics of walking and running up and downhill: A joint-level perspective to guide design of lower-limb exoskeletons.
PloS one
Aug 28, 2020
Lower-limb wearable robotic devices can improve clinical gait and reduce energetic demand in healthy populations. To help enable real-world use, we sought to examine how assistance should be applied in variable gait conditions and suggest an approach...
Gait Phase Recognition Using Deep Convolutional Neural Network with Inertial Measurement Units.
Biosensors
Aug 27, 2020
Gait phase recognition is of great importance in the development of assistance-as-needed robotic devices, such as exoskeletons. In order for a powered exoskeleton with phase-based control to determine and provide proper assistance to the wearer durin...
Detachment of the remora suckerfish disc: kinematics and a bio-inspired robotic model.
Bioinspiration & biomimetics
Aug 21, 2020
Remora suckerfish can attach to a wide diversity of marine hosts, however, their detachment mechanism remains poorly understood. Through analyzing high-speed videos, we found that the detachment of the live remora (Echeneis naucrates) is a rapid beha...
A bio-inspired robotic fish utilizes the snap-through buckling of its spine to generate accelerations of more than 20g.
Bioinspiration & biomimetics
Aug 21, 2020
Inspired by the fastest observed live fishes, we have designed, built and tested a robotic fish that emulates the fast-start maneuver of these fishes and generates acceleration and velocity magnitudes comparable to those of the live fishes within the...
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