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133 Results Found

  • Article
  • Open Access
1 Citations
4,629 Views
15 Pages

16 November 2023

This study aims to observe which thumb, the left or right, is used for keystrokes and examine the patterns during two-thumb key entry on a smartphone QWERTY soft keyboard. A total of 36 college students, including 18 left-handed and 18 right-handed,...

  • Article
  • Open Access
10 Citations
4,360 Views
19 Pages

Two-Thumb or Two-Finger Technique in Infant Cardiopulmonary Resuscitation by a Single Rescuer? A Meta-Analysis with GOSH Analysis

  • Chun-Yu Chang,
  • Yueh-Tseng Hou,
  • Yung-Jiun Chien,
  • Yu-Long Chen,
  • Po-Chen Lin,
  • Chien-Sheng Chen and
  • Meng-Yu Wu

Out-of-hospital infant cardiopulmonary arrest is a fatal and uncommon event. High mortality rates and poor neurological outcomes may be improved by early cardiopulmonary resuscitation (CPR). The ongoing debate over two different infant CPR techniques...

  • Article
  • Open Access
3 Citations
3,474 Views
15 Pages

4 June 2023

This research aims to examine touch performance and user-satisfaction depending on key location in a QWERTY soft keyboard during two-thumb key entry on a smartphone. Thirty-three college students who were smartphone users were recruited, and an exper...

  • Article
  • Open Access
9 Citations
5,075 Views
9 Pages

A Comparison between Three Different Techniques Considering Quality Skills, Fatigue and Hand Pain during a Prolonged Infant Resuscitation: A Cross-Over Study with Lifeguards

  • Roberto Barcala-Furelos,
  • Martín Barcala-Furelos,
  • Francisco Cano-Noguera,
  • Martín Otero-Agra,
  • Alejandra Alonso-Calvete,
  • Santiago Martínez-Isasi,
  • Silvia Aranda-García,
  • Sergio López-García and
  • Antonio Rodríguez-Núñez

The aim of the study was to compare the quality of CPR (Q-CPR), as well as the perceived fatigue and hand pain in a prolonged infant cardiopulmonary resuscitation (CPR) performed by lifeguards using three different techniques. A randomized crossover...

  • Article
  • Open Access
7 Citations
3,712 Views
17 Pages

Pediatric cardiac arrest is associated with high mortality and permanent neurological injury. We aimed to compare the effects of the two-thumb (TT) and two-finger (TF) techniques in infant cardiopulmonary resuscitation (CPR) performed by a single res...

  • Article
  • Open Access
3 Citations
3,930 Views
15 Pages

Evaluating Novel Chest Compression Technique in Infant CPR: Enhancing Efficacy and Reducing Rescuer Fatigue in Single-Rescuer Scenarios

  • Marek Solecki,
  • Monika Tomaszewska,
  • Michal Pruc,
  • Magdalena Myga-Nowak,
  • Wojciech Wieczorek,
  • Burak Katipoglu,
  • Basar Cander and
  • Lukasz Szarpak

10 March 2025

Background/Objectives: Effective infant cardiopulmonary resuscitation (CPR) relies on high-quality chest compressions, yet the optimal technique for single-rescuer scenarios remains debated. Although widely used, the two-finger technique (TFT) is ass...

  • Article
  • Open Access
16 Citations
3,991 Views
9 Pages

Autologous Fat Transplantation for Thumb Carpometacarpal Joint Osteoarthritis (Liparthroplasty): A Case Series with Two Years of Follow-UP

  • Stefan M. Froschauer,
  • Matthias Holzbauer,
  • Raphael Wenny,
  • Manfred Schmidt,
  • Georg M. Huemer,
  • Oskar Kwasny and
  • Dominik Duscher

31 December 2020

Adipose-derived mesenchymal stem cell (ASC) therapy is currently a focus of regenerative medicine. Lipoaspirate is rich in ASCs and is evolving into a promising, less-invasive tool to treat thumb carpometacarpal osteoarthritis as compared with common...

  • Article
  • Open Access
4 Citations
3,579 Views
18 Pages

7 April 2022

Soft pneumatic actuators used in robotic rehabilitation gloves are classified into two types: whole-finger actuators with air chambers that cover the entire finger and modular actuators with chambers only above the finger joints. Most existing protot...

  • Article
  • Open Access
1,951 Views
20 Pages

27 January 2025

Hand−tracking systems are widely employed for telemanipulating grippers with high degrees of freedom (DOFs) such as an anthropomorphic robotic hand (ARH). However, tracking human thumb motion is challenging due to the complex motion of the carp...

  • Article
  • Open Access
5 Citations
4,940 Views
21 Pages

26 February 2021

In this paper, the geometrical design of a (2-RRU)-URR (where R and U stand for the revolute and universal joints, respectively) parallel mechanism was demonstrated for thumb rehabilitation therapy. This paper consists of two parts: the design proced...

  • Feature Paper
  • Article
  • Open Access
27 Citations
6,007 Views
22 Pages

Grasp Posture Control of Wearable Extra Robotic Fingers with Flex Sensors Based on Neural Network

  • Joga Dharma Setiawan,
  • Mochammad Ariyanto,
  • M. Munadi,
  • Muhammad Mutoha,
  • Adam Glowacz and
  • Wahyu Caesarendra

This study proposes a data-driven control method of extra robotic fingers to assist a user in bimanual object manipulation that requires two hands. The robotic system comprises two main parts, i.e., robotic thumb (RT) and robotic fingers (RF). The RT...

  • Article
  • Open Access
5 Citations
5,322 Views
23 Pages

28 August 2020

The thumb assists other fingers, and any damage in its functionality prevents the human hand from performing dexterous functions. In this paper, the kinematic design of the (2–RRU)–URR parallel mechanism as the application of the thumb re...

  • Article
  • Open Access
4 Citations
3,487 Views
13 Pages

Background: There are different types of hand motions in people’s daily lives and working environments. However, testing duration increases as the types of hand motions increase to build a normative database. Long testing duration decreases the...

  • Article
  • Open Access
47 Citations
6,972 Views
24 Pages

11 July 2019

We present a text entry technique called HiFinger, which is an eyes-free, one-handed wearable text entry technique for immersive virtual environments by thumb-to-fingers touch. This technique enables users to input text quickly, accurately, and comfo...

  • Article
  • Open Access
3,667 Views
11 Pages

Radiological Influencing Factors in the Diagnosis of Painful Habitual Instability of the Thumb Basal Joint as a Precursor of Carpometacarpal Arthritis of the Thumb—A Retrospective Study

  • Raimund Winter,
  • Sophie Hasiba-Pappas,
  • Lars-P. Kamolz,
  • Sebastian Tschauner,
  • Oskar Bamer,
  • Alexandru Cristian Tuca,
  • Hanna Luze,
  • Sebastian P. Nischwitz,
  • Birgit Michelitsch and
  • Werner Girsch
  • + 2 authors

22 April 2023

Background: Painful habitual instability of the thumb basal joint (PHIT) is a rarely diagnosed condition that can severely impair hand function. Furthermore, it can increase the risk of developing carpometacarpal arthritis of the thumb (CMAOT). Clini...

  • Article
  • Open Access
2,068 Views
13 Pages

Return to Work After Subcutaneous Transposition of the Extensor Indicis Proprius to Repair Inveterate Ruptures of Extensor Pollicis Longus

  • Gabriele Tamburrino,
  • Giuseppe Rovere,
  • Lucian Lior Marcovici,
  • Filippo Migliorini,
  • Camillo Fulchignoni and
  • Andrea Fidanza

26 January 2025

Background/Objectives: An Extensor Pollicis Longus (EPL) subcutaneous rupture is a substantial complication in post-traumatic or degenerative wrist and tendinous lesions. The diagnosis is essentially dictated by a clinical evaluation; in fact, it is...

  • Article
  • Open Access
7 Citations
3,507 Views
15 Pages

Using Sensorized Gloves and Dimensional Reduction for Hand Function Assessment of Patients with Osteoarthritis

  • Verónica Gracia-Ibáñez,
  • Pablo-Jesús Rodríguez-Cervantes,
  • Vicente Bayarri-Porcar,
  • Pablo Granell,
  • Margarita Vergara and
  • Joaquín-Luis Sancho-Bru

26 November 2021

Sensorized gloves allow the measurement of all hand kinematics that are essential for daily functionality. However, they are scarcely used by clinicians, mainly because of the difficulty of analyzing all joint angles simultaneously. This study aims t...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,838 Views
15 Pages

16 October 2023

This paper features an analysis of the relative effectiveness, in terms of the Adjusted R-Square, of a variety of methods of modelling realized volatility (RV), namely the use of Gegenbauer processes in Auto-Regressive Moving Average format, GARMA, a...

  • Letter
  • Open Access
6 Citations
4,232 Views
12 Pages

Device Development for Detecting Thumb Opposition Impairment Using Carbon Nanotube-Based Strain Sensors

  • Tomoyuki Kuroiwa,
  • Akimoto Nimura,
  • Yu Takahashi,
  • Toru Sasaki,
  • Takafumi Koyama,
  • Atsushi Okawa and
  • Koji Fujita

18 July 2020

Research into hand-sensing is the focus of various fields, such as medical engineering and ergonomics. The thumb is essential in these studies, as there is great value in assessing its opposition function. However, evaluation methods in the medical f...

  • Article
  • Open Access
3 Citations
1,501 Views
11 Pages

Squamous Cell Carcinoma of the Thumb: Misdiagnosis and Consequences

  • Alessia Pagnotta,
  • Luca Patanè,
  • Carmine Zoccali,
  • Juste Kaciulyte,
  • Federico Lo Torto and
  • Diego Ribuffo

30 June 2025

Background: Cutaneous squamous cell carcinoma (SCC) is the most common primary malignant tumor of the hand, and its aggressive nature can lead to significant morbidity, particularly when affecting critical structures like the thumb. SCC in this locat...

  • Article
  • Open Access
19 Citations
7,963 Views
16 Pages

26 May 2016

Bending sensors enable compact, wearable designs when used for measuring hand configurations in data gloves. While existing data gloves can accurately measure angular displacement of the finger and distal thumb joints, accurate measurement of thumb c...

  • Article
  • Open Access
1 Citations
2,530 Views
13 Pages

An Isolated CNN Architecture for Classification of Finger-Tapping Tasks Using Initial Dip Images: A Functional Near-Infrared Spectroscopy Study

  • Muhammad Umair Ali,
  • Amad Zafar,
  • Karam Dad Kallu,
  • M. Atif Yaqub,
  • Haris Masood,
  • Keum-Shik Hong and
  • Muhammad Raheel Bhutta

This work investigates the classification of finger-tapping task images constructed for the initial dip duration of hemodynamics (HR) associated with the small brain area of the left motor cortex using functional near-infrared spectroscopy (fNIRS). D...

  • Article
  • Open Access
3 Citations
2,805 Views
10 Pages

Cortical representations expand during skilled motor learning. We studied a unique model of motor learning with cellular phone texting, where the thumbs are used exclusively to interact with the device and the prominence of use can be seen where 3200...

  • Article
  • Open Access
5 Citations
3,196 Views
16 Pages

4 May 2024

The purpose of this study was to identify the asymmetries between the dimensions of the upper limbs, in relation to manual laterality, of the athletes who practice team sports with a ball and those who practice other sports without a ball. We conside...

  • Article
  • Open Access
11 Citations
6,542 Views
20 Pages

16 June 2017

Allosteric inhibitors of hepatitis C virus (HCV) non-structural protein 5B (NS5B) polymerase are effective for treatment of genotype 1, although their mode of action and potential to inhibit other isolates and genotypes are not well established. We h...

  • Article
  • Open Access
8 Citations
2,981 Views
26 Pages

5 November 2020

Biological ion channels and synthetic nanopores are responsible for passive transport of ions through a membrane between two compartments. Modeling these ionic currents is especially amenable to reduced models because the device functions of these po...

  • Article
  • Open Access
3 Citations
3,124 Views
16 Pages

16 September 2021

Pinching motions are important for holding and retaining objects with precision. Therefore, training exercises for the thumb and index finger are extremely important in the field of hand rehabilitation. Considering the need for training convenience,...

  • Article
  • Open Access
2 Citations
2,221 Views
23 Pages

12 May 2024

Few studies have considered whether hidden (asymptomatic) plant pathogen infection alters ecological interactions at the higher trophic levels, even though such infection still affects plant physiology. We explored this question in two field experime...

  • Systematic Review
  • Open Access
18 Citations
4,127 Views
29 Pages

Surgeons are highly exposed to work-related musculoskeletal disorders (WMSDs). The objective of this review was to summarize the WMSD prevalence by body area with and without assistive devices. The underlying question was whether there is an effect o...

  • Article
  • Open Access
6 Citations
7,940 Views
13 Pages

9 August 2021

Commercial multi-degrees-of-freedom (multi-DOF) myoelectric hand prostheses can perform various hand gestures and grip motions using multiple DOFs. However, as most upper limb amputees have less than two electromyogram (EMG) signals generated at the...

  • Case Report
  • Open Access
1 Citations
3,033 Views
8 Pages

Mirror Hand Disorder’s Surgical Management with Metacarpal Wedging

  • Zsombor Márton,
  • Tamás Kassai,
  • Aba Lőrincz and
  • Gergő Józsa

4 May 2024

Ulnar dimelia, also known as “mirror hand disorder”, is a rare developmental disorder affecting the upper limb. Primarily, it involves the duplication of fingers, carpal bones, metacarpals, or ulna along the sagittal axis, and is often ac...

  • Article
  • Open Access
31 Citations
18,847 Views
15 Pages

29 January 2022

In this paper, we develop a prosthetic bionic hand system to realize adaptive gripping with two closed-loop control loops by using a linear discriminant analysis algorithm (LDA). The prosthetic hand contains five fingers and each finger is driven by...

  • Article
  • Open Access
20 Citations
4,987 Views
20 Pages

Development of a Low-Cost Wearable Data Glove for Capturing Finger Joint Angles

  • Changcheng Wu,
  • Keer Wang,
  • Qingqing Cao,
  • Fei Fei,
  • Dehua Yang,
  • Xiong Lu,
  • Baoguo Xu,
  • Hong Zeng and
  • Aiguo Song

30 June 2021

Capturing finger joint angle information has important applications in human–computer interaction and hand function evaluation. In this paper, a novel wearable data glove is proposed for capturing finger joint angles. A sensing unit based on a gratin...

  • Article
  • Open Access
12 Citations
3,880 Views
15 Pages

20 March 2023

This paper describes a multi-secret steganographic system for the Internet-of-Things. It uses two user-friendly sensors for data input: thumb joystick and touch sensor. These devices are not only easy to use, but also allow hidden data entry. The sys...

  • Article
  • Open Access
662 Views
14 Pages

17 October 2025

Background: Grip control is a critical determinant of fencing performance, requiring both stability and precision. Traditional measures of hand strength, such as dynamometry, provide only a global estimate and cannot capture finger-specific load dist...

  • Article
  • Open Access
14 Citations
6,618 Views
10 Pages

25 December 2023

Joint replacement arthroplasty for the treatment of thumb osteoarthritis is gaining popularity as recent studies have demonstrated better pinch and grip strength and faster rehabilitation. Our aim was to identify early complications in modern implant...

  • Case Report
  • Open Access
2,351 Views
6 Pages

The First Patient with Tibial Hemimelia-Polysyndactyly-Triphalangeal Thumb Syndrome Caused by De Novo c.423+4916 T>C ZRS Variant: A Case Report

  • Paola Montserrat Zepeda-Olmos,
  • Kiabeth Robles-Espinoza,
  • Eduardo Esparza-García and
  • María Teresa Magaña-Torres

29 August 2024

Genetic variants in the zone of polarizing activity regulatory sequence (ZRS) that induce ectopic expression of the SHH gene have been associated with different ZRS-related phenotypes. We report the first patient with a de novo variant, c.423+4916 T&...

  • Article
  • Open Access
15 Citations
3,523 Views
21 Pages

7 July 2021

Artificial ground freezing (AGF) technology has been commonly applied in tunnel construction. Its primary goal is to create a frozen wall around the tunnel profile as a hydraulic barrier and temporary support, but it is inevitably affected by two nat...

  • Article
  • Open Access
9 Citations
5,639 Views
17 Pages

We investigated whether adding product information in mobile commerce improved consumers’ attitudes toward a product and whether this relationship was moderated by consumption goals. We conducted two field experiments in which we recruited parents in...

  • Article
  • Open Access
13 Citations
5,663 Views
15 Pages

Background: Teaching nursing students how to correctly perform hand hygiene procedures may guarantee a reduction in transmitting pathogens through direct contact and, thus, it may lead to a decrease in the number of hospital infections. The aim of th...

  • Article
  • Open Access
7 Citations
3,600 Views
17 Pages

Automated Motion Analysis of Bony Joint Structures from Dynamic Computer Tomography Images: A Multi-Atlas Approach

  • Benyameen Keelson,
  • Luca Buzzatti,
  • Jakub Ceranka,
  • Adrián Gutiérrez,
  • Simone Battista,
  • Thierry Scheerlinck,
  • Gert Van Gompel,
  • Johan De Mey,
  • Erik Cattrysse and
  • Jef Vandemeulebroucke
  • + 1 author

7 November 2021

Dynamic computer tomography (CT) is an emerging modality to analyze in-vivo joint kinematics at the bone level, but it requires manual bone segmentation and, in some instances, landmark identification. The objective of this study is to present an aut...

  • Article
  • Open Access
2 Citations
1,232 Views
13 Pages

Proof of Concept and Validation of Single-Camera AI-Assisted Live Thumb Motion Capture

  • Huy G. Dinh,
  • Joanne Y. Zhou,
  • Adam Benmira,
  • Deborah E. Kenney and
  • Amy L. Ladd

26 July 2025

Motion analysis can be useful for multiplanar analysis of hand kinematics. The carpometacarpal (CMC) joint has been traditionally difficult to capture with surface-based motion analysis but is the most commonly arthritic joint of the hand and is of p...

  • Article
  • Open Access
3 Citations
4,960 Views
13 Pages

Optimizing the Spatial Location of Street Lights in Belle Isle, Michigan

  • Yanqing Xu,
  • Yue Zhang,
  • Cong Fu,
  • Xiyue Deng and
  • Yihe Yang

Improved street lighting can provide better use of public space and helps to promote safety while driving or walking. In terms of balancing benefits and impacts, on the basis of cost saving, this research adopts two prominent mathematical models, the...

  • Review
  • Open Access
1 Citations
1,864 Views
10 Pages

The Impact of Handheld Device Use on Hand Biomechanics

  • Melinda J. Choi,
  • Valeria P. Bustos,
  • Kyle Y. Xu,
  • Vasudev Vivekanand Nayak,
  • Paulo G. Coelho and
  • Kashyap K. Tadisina

Cell phone use has become ubiquitous in everyday life for many, yet the potential long-term impacts on hand biomechanics remain unknown. A review was performed on the topic of handheld device use and biomechanics of the hand to identify common findin...

  • Article
  • Open Access
1 Citations
2,847 Views
15 Pages

5 April 2024

Korean wasabi occurs naturally on the young oceanic, volcanic Ulleung Island off the east coast of the Korean Peninsula. Although the Ulleung Island wasabi is reported as Eutrema japonicum and has been suggested to be morphologically identical to cul...

  • Review
  • Open Access
38 Citations
17,217 Views
31 Pages

Amide Activation in Ground and Excited States

  • Ervin Kovács,
  • Balázs Rózsa,
  • Attila Csomos,
  • Imre G. Csizmadia and
  • Zoltán Mucsi

2 November 2018

Not all amide bonds are created equally. The purpose of the present paper is the reinterpretation of the amide group by means of two concepts: amidicity and carbonylicity. These concepts are meant to provide a new viewpoint in defining the stability...

  • Communication
  • Open Access
6 Citations
2,312 Views
9 Pages

14 October 2023

The Indochinese thick-thumbed bat, Glischropus bucephalus, was described in 2011, but its molecular genetics (and the genetics of the whole genus Glischropus) are still poorly studied. We defined and annotated the complete mitogenome of Glischropus b...

  • Proceeding Paper
  • Open Access
1,757 Views
9 Pages

De Quervain’s tenosynovitis is a pathology that affects the tendons of the thumb and generates pain and inflammation, being common in people between 18 and 30 years old who perform repetitive movements. Despite the innovation of 3D printing in...

  • Communication
  • Open Access
3,243 Views
5 Pages

28 February 2025

Quantum volume (QV) is a widely recognized metric for assessing the practical capabilities of quantum computers, as it provides an estimate of the largest quantum circuit that can be reliably executed. However, measuring QV on a real device requires...

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