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Estimating hip impact velocity and acceleration from video-captured falls using a pose estimation algorithm.
Sci Rep
January 2025
Department of Exercise Science, Syracuse University, 150 Crouse Dr, Syracuse, NY, 13244, USA.
Analyzing video footage of falls in older adults has emerged as an alternative to traditional lab studies. However, this approach is limited by the labor-intensive process of manually labeling body parts. To address this limitation, we aimed to validate the use of the AI-based pose estimation algorithm (OpenPose) in assessing the hip impact velocity and acceleration of video-captured falls.
View Article and Find Full Text PDFA Computational Approach for Internal Tendon Routing Channels in a Tendon-Driven Continuum Joint.
Soft Robot
December 2024
ETH Zurich, Zurich, Switzerland.
Tendon-driven continuum soft robots are currently applied in research and are given a promising perspective for future applications. For the routing of the tendons from the actuator to the point where the loading is demanded, two routing possibilities exist in the literature: internal routing of the tendons with the help of structurally embedded Bowden sheaths and external tendon routing where the tendon is not in contact with the soft structure. The application of the latter is a clear disadvantage for applications due to the high risk of interference with the tendon, for example, causing the tendon to break.
View Article and Find Full Text PDFArticle Synopsis
- * Using advanced motion analysis and video technology, the research compared the kinematic characteristics of players' backhand strokes, focusing on joints like the shoulder, elbow, and wrist.
- * Findings revealed that international players had better stroke accuracy and control than national players, with significant differences in trunk flexion and shoulder rotation but no major variances in other kinematic parameters.
Objective Performance Indicators During Robotic Right Colectomy Differ According to Surgeon Skill.
J Surg Res
October 2024
Department of Surgery, Emory University School of Medicine, Atlanta, Georgia. Electronic address:
Introduction: Surgeon assessment tools are subjective and nonscalable. Objective performance indicators (OPIs), machine learning-enabled metrics recorded during robotic surgery, offer objective insights into surgeon movements and robotic arm kinematics. In this study, we identified OPIs that significantly differed across expert (EX), intermediate (IM), and novice (NV) surgeons during robotic right colectomy.
View Article and Find Full Text PDFAffordable 3D Orientation Visualization Solution for Working Class Remotely Operated Vehicles (ROV).
Sensors (Basel)
August 2024
Department of Computer Science and Engineering, Dongguk University, Seoul 04620, Republic of Korea.
ROV operators often encounter challenges with orientation awareness while operating underwater, primarily due to relying solely on 2D camera feeds to manually control the ROV robot arm. This limitation in underwater visibility and orientation awareness, as observed among Malaysian ROV operators, can compromise the accuracy of arm placement, and pose a risk of tool damage if not handle with care. To address this, a 3D orientation monitoring system for ROVs has been developed, leveraging measurement sensors with nine degrees of freedom (DOF).
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