Results 11 to 20 of about 520,397 (159)

Arthroscopy-assisted partial trapeziectomy combined with ligament reconstruction for thumb carpometacarpal joint osteoarthritis: A different technique

open access: yesFrontiers in Surgery, 2022
BackgroundThere is no consensus on the best surgery option for thumb carpometacarpal osteoarthritis (CMC OA). The traditional method has the risk of large trauma, obvious metacarpal subsidence, and decreased stability.
Wan-Ling Zheng   +15 more
doaj   +1 more source

A Three-dimensional Finger Motion Measurement System of a Thumb and an Index Finger Without a Calibration Process [PDF]

open access: yes, 2020
Various wearable systems have been investigated to measure hand motion, but some challenges remain. Many systems require a calibration process to map sensor signals to actual finger joint angles by the principle of measuring the length change of the ...
Bae, Joonbum, Park, Yeongyu
core   +1 more source

Mallet thumb [PDF]

open access: yesThe Journal of Bone and Joint Surgery. British volume, 1983
The uncommon injury of mallet thumb is described, with four case reports. In diagnosis the condition must be distinguished from dropped thumb. Operative treatment is advised which, in this small series, gave excellent results.
K M, Din, B F, Meggitt
openaire   +2 more sources

Ultrasound versus MRI in the evaluation of the thumb metacarpophalangeal joint

open access: yesJournal of Ultrasonography, 2023
An intricate and unique combination of ligamentous, fibrocartilaginous, and osseous structures stabilize the thumb metacarpophalangeal joint. Both ultrasound and high-resolution magnetic resonance imaging are extremely useful in evaluating these critical
Knisely Beatrice   +2 more
doaj   +1 more source

Effect of the Thumb Orientation and Actuation on the Functionality and Performance of Affordable Prosthetic Hands: Obtaining Design Criteria

open access: yesBiomimetics, 2022
The advent of 3D printing technologies has enabled the development of low-cost prosthetic underactuated hands, with cables working as tendons for flexion.
Javier Andrés-Esperanza   +3 more
doaj   +1 more source

Suspension arthroplasty in the treatment of thumb carpometacarpal osteoarthritis

open access: yesOrthopedic Reviews, 2021
Literature presents several examples of surgical techniques for the treatment of carpometacarpal osteoarthritis. In our study we used a modified Ceruso’s suspended arthroplasty technique.
Gianfilippo Caggiari   +9 more
doaj   +1 more source

A new view on grasping [PDF]

open access: yes, 1999
Reaching out for an object is often described as consisting of two components that are based on different visual information. Information about the object’s position and orientation guides the hand to the object, while information about the object’s ...
Brenner, Eli, Smeets, Jeroen B.J.
core   +1 more source

Coarticulation of Handshape in Sign Language of the Netherlands: A Corpus Study

open access: yesLaboratory Phonology, 2017
This article investigates the articulation of the thumb in flat handshapes (B handshapes) in Sign Language of the Netherlands. On the basis of phonological models of handshape, the hypothesis was generated that the thumb state is variable and will ...
Anne de Meijer   +3 more
doaj   +2 more sources

Glomus tumor of the thumb: case report [PDF]

open access: yesTrakia Journal of Sciences, 2017
We report on a case of glomus tumor in the right thumb. The tumor had a 2-year clinical history. The patient reported the development of a 3-5mm tumor in the distal phalangeunder the nail of the right thumb.
D. Niklev, A. Al-Sadek, L. Al-Sadek
doaj   +1 more source

Measurement and analysis of the range of motion and the degree of posture discomfort of the thumb joints

open access: yesNihon Kikai Gakkai ronbunshu, 2018
In this study, we measured and analyzed the degree of posture discomfort with respect to the coordinated range of motion (ROM) of the thumb. For ergonomic assessment of a product CAD model using a digital hand model, such joint properties are necessary ...
Yuya YONEOKA   +2 more
doaj   +1 more source

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