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The Validity and Usability of Markerless Motion Capture and Inertial Measurement Units for Quantifying Dynamic Movements.
Med Sci Sports Exerc
October 2024
School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH.
Purpose: Motion capture technology is quickly evolving providing researchers, clinicians, and coaches with more access to biomechanics data. Markerless motion capture and inertial measurement units (IMUs) are continually developing biomechanics tools that need validation for dynamic movements before widespread use in applied settings. This study evaluated the validity of a markerless motion capture, IMU, and red, green, blue, and depth (RGBD) camera system as compared to marker-based motion capture during countermovement jumps, overhead squats, lunges, and runs with cuts.
View Article and Find Full Text PDFDorsoradial ligament reconstruction versus imbrication for restoring trapeziometacarpal joint stability: a comparative biomechanical study.
Sci Rep
December 2024
Department of Orthopedic Surgery, Yonsei University College of Medicine, Seoul, South Korea.
The unique saddle articulation of the trapeziometacarpal joint allows for a wide range of motion necessary for routine function of the thumb. Inherently unstable characteristics of the joint can lead painful instability. In this study, we modified a surgical dorsal ligament reconstruction technique for restoring trapeziometacarpal joint stability.
View Article and Find Full Text PDFThe effect of push frequency and stroke time on wheelchair maneuverability among wheelchair tennis athletes on hard tennis court.
Sci Rep
December 2024
Faculty of Sports and Exercise Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia.
Wheelchair propulsion is a fundamental skill in wheelchair sports, particularly in wheelchair tennis. To achieve optimal mobility during wheelchair athletic performance, it is essential to consider propulsion techniques. This study examines the effect of push frequency and stroke duration on wheelchair maneuverability, measured by velocity during propulsion, among wheelchair tennis athletes.
View Article and Find Full Text PDFImaging observation of intervertebral disc degeneration in patients with old thoracolumbar fracture-related kyphotic deformity.
Sci Rep
December 2024
Affiliated Fuyang People's Hospital of Anhui Medical University, Sanqing Road 501, Fuyang, 236000, Anhui, China.
Old thoracolumbar fracture with kyphosis (OTLFK) often results in low back pain, with intervertebral disc degeneration being a significant contributor. We hypothesized that patients with OTLFK exhibit distinct patterns of disc degeneration compared to those with chronic low back pain without kyphotic deformity. This study aimed to investigate the characteristics of disc degeneration in OTLFK patients and explore its association with sagittal spinal parameters and endplate injury.
View Article and Find Full Text PDFTissue growth as a mechanism for collagen fiber alignment in articular cartilage.
Sci Rep
December 2024
Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Postbus 513, Eindhoven, 5600 MB, The Netherlands.
Articular cartilage is distinguished by the unique alignment of type II collagen, a feature crucial for its mechanical properties and function. This characteristic organization is established during postnatal development of the tissue, yet the underlying mechanisms remain poorly understood. In this study, a potential mechanism for type II collagen alignment by cartilage-specific growth from within the tissue was investigated.
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