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Schreck MJ, Kelly M, Lander S, Kaushik A, Smith H, Bell S, Raman V, Olles D, Geigel J, Olles M, Elfar JC. Dynamic Functional Assessment of Hand Motion Using an Animation Glove: The Effect of Stenosing Tenosynovitis. Hand (N Y) 2018; 13:695-704. [PMID: 28984481 PMCID: PMC6300169 DOI: 10.1177/1558944717729218] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The aim of the present study is to determine whether an animation glove can be utilized to provide a reliable and reproducible assessment of dynamic hand function and whether this assessment is altered in the setting of hand pathology. METHODS Ten subjects without known hand pathology and 11 subjects with known stenosing tenosynovitis were assessed on tasks involving hand function at varied speeds, including forceful and gradual making of a fist and the quick and slow grip of a baseball using an animation glove to record range of motion and measures of velocity (CyberGlove II). RESULTS In normal subjects, peak extension and flexion velocity of the index and middle finger was highest in the metacarpophalangeal and lowest in the distal interphalangeal; however, the converse was true in the ring finger. In those subjects with stenosing tenosynovitis, the animation glove was able to detect a triggering event during assessment. Furthermore, there was a significant decrease in the maximum velocity of the proximal interphalangeal joint observed with the slow fist task in both flexion and extension (55%, P < .01) in the affected hand when compared with the unaffected hand. CONCLUSIONS The CyberGlove II can be utilized in the dynamic functional analysis of the hand and is able to detect a triggering event in subjects with known stenosing tenosynovitis. Those subjects demonstrate a significant decrease in maximum velocity in slow fist tasks, highlighting the need for comprehensive assessment to ascertain the full extent of functional limitations that can occur in the setting of hand pathology.
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Affiliation(s)
| | | | | | | | | | - Scott Bell
- Rochester Institute of Technology, NY,
USA
| | | | | | - Joe Geigel
- Rochester Institute of Technology, NY,
USA
| | - Mark Olles
- Rochester Institute of Technology, NY,
USA
| | - John C. Elfar
- University of Rochester Medical Center,
NY, USA,Pennsylvania State University College of
Medicine, Hershey, PA, USA,John C. Elfar, Pennsylvania State University
College of Medicine, Department of Orthopaedic Surgery and Rehabilitation,
Center for Orthopaedic Research and Translational Science, 500 University Drive,
Hershey, PA 17033, USA.
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Arauz PG, Sisto SA, Kao I. Assessment of Workspace Attributes Under Simulated Index Finger Proximal Interphalangeal Arthrodesis. J Biomech Eng 2016; 138:051005. [PMID: 26974649 DOI: 10.1115/1.4032967] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Indexed: 11/08/2022]
Abstract
This article presented an assessment of quantitative measures of workspace (WS) attributes under simulated proximal interphalangeal (PIP) joint arthrodesis of the index finger. Seven healthy subjects were tested with the PIP joint unconstrained (UC) and constrained to selected angles using a motion analysis system. A model of the constrained finger was developed in order to address the impact of the inclusion of prescribed joint arthrodesis angles on WS attributes. Model parameters were obtained from system identification experiments involving flexion-extension (FE) movements of the UC and constrained finger. The data of experimental FE movements of the constrained finger were used to generate the two-dimensional (2D) WS boundaries and to validate the model. A weighted criterion was formulated to define an optimal constraint angle among several system parameters. Results indicated that a PIP joint immobilization angle of 40-50 deg of flexion maximized the 2D WS. The analysis of the aspect ratio of the 2D WS indicated that the WS was more evenly distributed as the imposed PIP joint constraint angle increased. With the imposed PIP joint constraint angles of 30 deg, 40 deg, 50 deg, and 60 deg of flexion, the normalized maximum distance of fingertip reach was reduced by approximately 3%, 4%, 7%, and 9%, respectively.
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Hamann N, Heidemann J, Heinrich K, Wu H, Bleuel J, Gonska C, Brüggemann GP. Effect of carpometacarpal joint osteoarthritis, sex, and handedness on thumb in vivo kinematics. J Hand Surg Am 2014; 39:2161-7. [PMID: 25245769 DOI: 10.1016/j.jhsa.2014.08.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 08/08/2014] [Accepted: 08/12/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE To investigate the influence of trapeziometacarpal (TMC) osteoarthritis (OA) on the 3-dimensional motion capability of the TMC and thumb metacarpophalangeal (MCP) joints. In order to examine other factors affecting the thumb's motion kinematics, we further aimed to address the influence of sex and handedness on the motion capability of normal TMC and MCP joints. METHODS We included 18 healthy subjects (9 women, 9 men; 8 dominant hands, 10 nondominant hands) and 18 women with stage II/III TMC OA. A motion analysis system using surface markers was used to quantify the thumb's 3-dimensional opposition-reposition kinematics. The range of motion of the thumb's TMC and MCP joints in flexion-extension, abduction-adduction, and pronation-supination were determined. RESULTS TMC OA led to a loss in abduction-adduction in the TMC joint (38° in controls, 26° in TMC OA subjects), although neither flexion-extension nor pronation-supination were affected. At the MCP joint, the TMC OA subjects showed a 48% reduction in abduction-adduction (32° controls, 16° TMC OA subjects) and 42% reduction in pronation-supination (34° in controls, 20° in TMC OA subjects) than the healthy controls. Ranges of motion of the healthy TMC and MCP joints were similar in dominant and nondominant hands as well as in women and men. DISCUSSION The study demonstrated that stage II/III TMC OA restricts the motion of the TMC joint in abduction-adduction and of the MCP joint in abduction-adduction and pronation-supination. Thumb motion capability was unaffected by sex and handedness. CLINICAL RELEVANCE Osteoarthritis-induced loss of TMC motion did not reflect a generalizable clinical parameter, rather, it seemed to distinctly affect the TMC and the MCP joints and their motion planes and directions. As neither sex nor handedness influenced the motion capabilities of the healthy thumb, kinematic factors contributing to TMC OA may develop at a later age.
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Affiliation(s)
- Nina Hamann
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany.
| | - Jörn Heidemann
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany
| | - Kai Heinrich
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany
| | - Han Wu
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany
| | - Judith Bleuel
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany
| | - Christiane Gonska
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany
| | - Gert-Peter Brüggemann
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne; Joint Centre Brühl, Brühl, Germany
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Chang CW, Kuo LC, Jou IM, Su FC, Sun YN. Artefact-reduced kinematics measurement using a geometric finger model with mixture-prior particle filtering. Comput Methods Biomech Biomed Engin 2013; 16:861-72. [DOI: 10.1080/10255842.2011.643467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Kuo LC, Yang TH, Hsu YY, Wu PT, Lin CL, Hsu HY, Jou IM. Is progressive early digit mobilization intervention beneficial for patients with external fixation of distal radius fracture? A pilot randomized controlled trial. Clin Rehabil 2013; 27:983-93. [PMID: 23787939 DOI: 10.1177/0269215513487391] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To investigate whether progressive early digit mobilization resulted in better outcomes for hand stiffness and related functional results, as well as the effects on the bone healing process. DESIGN Prospective, pilot randomized controlled trial. SETTING A university hospital in southern Taiwan. PARTICIPANTS Twenty-two patients with distal radius fracture randomized into two groups: early digit mobilization or control. INTERVENTIONS The intervention group received 45 minutes per treatment session and three sessions per week until the external fixator was removed 6 weeks after fracture. The control group received usual home programmes. After removing fixators, both groups received regular rehabilitation programmes until 12 weeks after surgery. MAIN MEASURES Hand strength, dexterity and functional outcomes were obtained using a dynamometer, Purdue pegboard and self-report assessment, respectively, and X-rays of the distal radius were taken to reveal bone healing 1, 3, 6 and 12 weeks after surgery. A motion tracking system measured various kinematic parameters. RESULTS The recovery rates between the groups showed statistically significant differences in both thumb workspace (81.55% vs. 69.54%, P = 0.04) and finger workspace (89.22% vs. 59.97%, P = 0.03) 12 weeks after injury. However, no statistical differences were found in finger dexterity, strength and self-reported outcomes. The radiographic assessment showed no significant differences between the groups for radial inclination, radial height and volar tilt throughout the examinations. CONCLUSIONS The findings suggest that early rehabilitative intervention for digits is applicable for distal radius fracture treatment, and does not produce additional bone deformities.
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Affiliation(s)
- Li-Chieh Kuo
- 1Department of Occupational Therapy, National Cheng Kung University, Tainan, Taiwan
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Shen ZL, Mondello TA, Nataraj R, Domalain MF, Li ZM. A digit alignment device for kinematic analysis of the thumb and index finger. Gait Posture 2012; 36:643-5. [PMID: 22633016 PMCID: PMC3597988 DOI: 10.1016/j.gaitpost.2012.04.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2012] [Revised: 04/13/2012] [Accepted: 04/22/2012] [Indexed: 02/02/2023]
Abstract
Kinematic analysis of the digits using optical motion capture systems relies on defining accurate coordinate systems for the individual segments. Limitations of previous digit kinematic protocols include marker placement errors, marker occlusion and superimposition, and skin movement artifact. The purpose of this study was to develop a protocol utilizing a digit alignment device (DAD) and nail marker clusters to overcome these limitations. Ten subjects underwent 10 static calibration trials for validation. The orientation of the thumb distal phalange relative to the index finger distal phalange was described using Euler angles of pitch(x), yaw(y'), and roll(z''). The digit calibration protocol demonstrated high accuracy (0.5°, 1.9° and 2.2° for x, y', z'') and precision (1.4°, 2.3° and 3.1° for x, y', z''). The developed protocol provided convenient identification of transformations that determine anatomically relevant coordinate systems for the distal phalanges of the digits. The potential of utilizing this protocol as a standardized tool for digit kinematics was demonstrated using a dynamic task of precision pinching.
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Affiliation(s)
- Zhilei Liu Shen
- Departments of Biomedical Engineering, Cleveland Clinic, Cleveland, OH
| | - Tracy A. Mondello
- Departments of Biomedical Engineering, Cleveland Clinic, Cleveland, OH
| | - Raviraj Nataraj
- Departments of Biomedical Engineering, Cleveland Clinic, Cleveland, OH
| | | | - Zong-Ming Li
- Departments of Biomedical Engineering, Cleveland Clinic, Cleveland, OH
,Orthopaedic Surgery, Cleveland Clinic, Cleveland, OH
,Physical Medicine and Rehabilitation, Cleveland Clinic, Cleveland, OH
,
Corresponding author: Clevel and Clinic 9500 Euclid Avenue, ND20 Cleveland, OH 44195 Phone: (216) 444-1211 Fax: (216) 444-9198
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Chang JH, Wu M, Lee CL, Guo YL, Chiu HY. Correlation of return to work outcomes and hand impairment measures among workers with traumatic hand injury. JOURNAL OF OCCUPATIONAL REHABILITATION 2011; 21:9-16. [PMID: 20535534 DOI: 10.1007/s10926-010-9246-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
INTRODUCTION Hand impairment is a common and serious occupational injury among workers because it can affect the outcome to return to work (RTW) and even cause permanent dysfunction. The hand measures can directly describe the primary hand function and limitation. This study investigated the correlation of RTW and the overall hand impairment measures in the workers with traumatic hand injury. METHODS Ninety-six subjects with occupational hand injury were recruited in this study to answer the RTW questionnaire and received the hand evaluation and motion analysis for their affected hands. RTW outcomes assessed whether the subjects successfully returned to work, either from a job change or salary reduction, and the length of the time it took for them to return to work (TRTW). The hand impairment measures included the hand impairment ratio, total active motion loss, motion area loss, grasp power loss, lateral-pinch power loss, and palmar-pinch power loss. RESULTS A stepwise regression indicated that grasp power loss was a significant predictor for the length of TRTW. The motion area loss was firstly adopted to show statistically significance with RTW outcomes. Besides, the hand impairment ratio was also found to have mild positive correlation with TRTW significantly. CONCLUSIONS This study presented the subtle correlation of RTW outcomes and hand impairment measures. Both the strength loss and the motion area loss of the hand showed the significant correlation with RTW outcomes. The findings can point to some practical focuses in occupational rehabilitation for the workers with hand trauma.
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Affiliation(s)
- Jer-Hao Chang
- Department of Occupational Therapy, National Cheng Kung University, Tainan, Taiwan, ROC
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Tung WL, Kuo LC, Lai KY, Jou IM, Sun YN, Su FC. Quantitative evidence of kinematics and functional differences in different graded trigger fingers. Clin Biomech (Bristol, Avon) 2010; 25:535-40. [PMID: 20400216 DOI: 10.1016/j.clinbiomech.2010.02.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2009] [Revised: 02/12/2010] [Accepted: 02/15/2010] [Indexed: 02/07/2023]
Abstract
BACKGROUND Clinical diagnosis and classification of trigger fingers is traditionally based on physical examinations and certain obvious symptoms. However, it might lack quantitative evidence to describe the different graded trigger digits. This study provides quantitative evidence of kinematics and functional differences among different graded trigger fingers based on Froimson's classification. METHODS Forty-seven patients with fifty-five trigger fingers and graded twenty-three, eleven, and twenty-one fingers as grades II, III, and IV, respectively. The QuickDASH questionnaire evaluated the subject's self-perception of hand symptoms and functions. The study measured maximal workspace of the fingertip motion and range of motion of the finger joints during an assigned tendon-gliding task using an electromagnetic tracking device. In addition, R(alpha), defined as the ratio range of angular acceleration during finger extension to the range during finger flexion of each joint, quantified the triggering effect. FINDINGS The QuickDASH score results show that functional performances have significant differences among three grades (P<0.05). Workspace, range of motion of proximal interphalangeal joint and R(alpha) of proximal interphalangeal and distal interphalangeal joint of trigger fingers also significantly differ among three grades (P<0.05). These findings quantitatively show that trigger fingers in different impairment levels have different kinematics and functional performances. INTERPRETATION The results serve as evidence-based knowledge for clinics. The more practical and immediate application of this study would be to facilitate the assessment, design and execution of rehabilitation for patients with trigger fingers.
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Affiliation(s)
- Wen-Lin Tung
- Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
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9
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Functional workspace for precision manipulation between thumb and fingers in normal hands. J Electromyogr Kinesiol 2009; 19:829-39. [DOI: 10.1016/j.jelekin.2008.07.008] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2008] [Revised: 07/25/2008] [Accepted: 07/28/2008] [Indexed: 01/29/2023] Open
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Kuo LC, Cooney WP, Chen QS, Kaufman KR, Su FC, An KN. A kinematic method to calculate the workspace of the trapeziometacarpal joint. Proc Inst Mech Eng H 2004; 218:143-9. [PMID: 15116901 DOI: 10.1243/095441104322984031] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The specific aim of this study was to develop a quantitative method and a kinematic method to evaluate the maximal workspace of the trapeziometacarpal (TM) joint. Six fresh-frozen human cadaver hands were disarticulated 4 cm proximal to the wrist joint and used in this experiment. The three-dimensional motion data of the TM joint was collected by an electromagnetic tracking device at 30 Hz. The workspace was reconstructed according to a complete set of motion data included circumduction, flexion-extension and abduction-adduction. A spherical fitting technique was used to obtain a sphere encompassing all the motion trajectories and estimating the centre of the sphere. The surface area of the maximal TM workspace, located on the one part of the sphere surface, was calculated by surface integration. The interclass correlation coefficient values for the reliability estimation of the repeated measurements of the radius and surface area of all specimens were 0.91 and 0.98 respectively. The mean coefficients of variance of the measured radius and the surface area were 2.04 per cent and 3.65 per cent respectively. The results also showed that using a spherical model to calculate the maximal workspace as an index for assessing TM joint impairment is practical.
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Affiliation(s)
- Li-Chieh Kuo
- Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Republic of China
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Abstract
Hand motor tasks, even those commonly required by daily life activities, entail complex muscle activation. This article describes a self-contained experimental set-up for the objective kinetic and kinematic analysis of each finger function under several working conditions. Special attention is given to grasping and pressing under isometric conditions. The analysis of the contribution of the thumb is particular to this system. This system has proved accurate, reliable, easy-to-use, and suitable for applications in research environments, and as a support to clinicians for diagnosis and during rehabilitation.
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Affiliation(s)
- Claudia Giacomozzi
- Biomedical Engineering Laboratory, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome 1-00161, Italy
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Su FC, Kuo LC, Chiu HY, Chen-Sea MJ. Video-computer quantitative evaluation of thumb function using workspace of the thumb. J Biomech 2003; 36:937-42. [PMID: 12757802 DOI: 10.1016/s0021-9290(03)00073-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
This study develops the basis for video-computer quantitative evaluation method for measuring degree of thumb impairment. The system evaluates the three-dimensional space (workspace) within which the thumb-tip moves and computes its surface area. This study is intended to be the basis of a subsequent study which will compute the percentage of actual use compared to the "ideal" value for the given thumb length. Based on this quantitative measurement, the movement function of the impaired thumb can be identified objectively. Repeatability testing confirms that the video motion analysis system is a reliable tool for measuring the workspace of thumb-tip motion. It is also shown experimentally that there is a linear correlation between the surface area of thumb-tip motion workspace and the square of the thumb length. Accordingly, this method may be used to evaluate the functional abnormalities and deformities of the thumb.
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Affiliation(s)
- Fong-Chin Su
- Institute of Biomedical Engineering, National Cheng Kung University, 701, Tainan, Taiwan.
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Kuo LC, Su FC, Chiu HY, Yu CY. Feasibility of using a video-based motion analysis system for measuring thumb kinematics. J Biomech 2002; 35:1499-506. [PMID: 12413969 DOI: 10.1016/s0021-9290(02)00083-0] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
While several different methods have been used to measure hand kinematics, fluoroscopy is generally considered to be the most accurate. Recently, video-based motion analysis has been developed for the measurement of joint kinematics. This method is versatile, easy to use, and can measure motions dynamically. Surface markers are most commonly used in the video-based motion systems. However, whether the surface markers placed on the thumb accurately represent the true kinematics of the underlying bony segment is questionable. In this study, the feasibility of surface markers to represent thumb kinematics was investigated by fluoroscopy. Both the positions of surface markers and bony landmarks were simultaneous recorded and then digitized. The Ra(2) values comparing the angular changes of the thumb interphalangeal, metacarpal and carpometacarpal joints derived using the surface markers or bony landmarks were 0.9986, 0.9730 and 0.9186 in the flexion/extension plane respectively, 0.8837, 0.9697 and 0.8775 in the abduction/adduction plane; and 0.9884, 0.9643 and 0.9431 in the opposition plane. The ranges, mean and standard deviation of the absolute differences between calculated angles of different marker sets were also compared. These data revealed that the similarities of the two different marker techniques throughout the motion cycle were high. The differences between the two methods were also within clinically allowable range of +/-5 degrees. It is concluded that the application of the video-based motion analysis system with surface markers to thumb kinematics is warranted.
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Affiliation(s)
- Li-Chieh Kuo
- Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
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Su FC, Kuo LC, Chiu HY, Hsu HY. The validity of using a video-based motion analysis system for measuring maximal area of fingertip motion and angular variation. Proc Inst Mech Eng H 2002; 216:257-63. [PMID: 12206522 DOI: 10.1243/09544110260138745] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of the study was to verify the application of a three-dimensional video motion analysis system to evaluate maximal fingertip motion area and angular variation of the hand by comparison and correlation with videofluoroscopic analysis. Eight normal subjects were recruited in this study. The maximal motion area of the fingertip and the angles of the metacarpal phalangeal (MP), proximal interphalangeal (PIP) and distal interphalangeal (DIP) joints in performing five sequential postures for functional evaluation of the hand were measured using a video motion analysis system and a fluoroscopy system respectively. The results indicated that the intraclass correlation coefficient (ICC) of the calculated maximal fingertip motion area between the two methods was 0.9597. The ICC for total active motion (TAM) measurements of three finger joints was 0.940 between the surface and bony landmarks by fluoroscopy, 0.952 between the surface landmarks from fluoroscopy and motion analysis, and 0.927 between the bony landmark from fluoroscopy and surface markers from motion analysis. The ICC for angular measurements between three different paired assessments was 0.9650, 0.8896 and 0.8799 for the MP, PIP and DIP joints respectively. The results indicate that motion analysis is a practical method for assessing impairment of the hand.
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Affiliation(s)
- F-C Su
- Institute of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
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Chiu HY, Lin SC, Su FC, Wang ST, Hsu HY. The use of the motion analysis system for evaluation of loss of movement in the finger. JOURNAL OF HAND SURGERY (EDINBURGH, SCOTLAND) 2000; 25:195-9. [PMID: 11062582 DOI: 10.1054/jhsb.1999.0344] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We have used the motion analysis system to measure loss of finger movement after injury. The motion analysis system can provide information about the dynamic angular changes of each finger joint and the fingertip motion area for the injured finger. The latter can be used to calculate the percentage of fingertip motion area preserved. A stiff finger may show limited fingertip motion area with the finger joints tending to flex and extend together.
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Affiliation(s)
- H Y Chiu
- Section of Plastic Surgery, Department of Surgery, Institute of Biomedical Engineering, Tainan, Taiwan, Republic of China.
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Chiu HY, Su FC, Wang ST, Hsu HY. The motion analysis system and goniometry of the finger joints. JOURNAL OF HAND SURGERY (EDINBURGH, SCOTLAND) 1998; 23:788-91. [PMID: 9888683 DOI: 10.1016/s0266-7681(98)80098-3] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The application of a video-based motion analysis system for goniometry of finger joints during measurement of the fingertip motion area has been assessed. The results indicate that the motion analysis system is reliable for angular measurements of finger joints that are comparable with those obtained by conventional goniometer. The advantages of using the motion analysis system is that it can record and show the changes in angle of all finger joints continuously during finger motion.
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Affiliation(s)
- H Y Chiu
- Department of Surgery, National Cheng-Kung University, Tainan, Taiwan, Republic of China
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Chiu HY, Su FC, Wang ST. The motion analysis system and the fingertip motion area. Normal values in young adults. JOURNAL OF HAND SURGERY (EDINBURGH, SCOTLAND) 1998; 23:53-6. [PMID: 9571481 DOI: 10.1016/s0266-7681(98)80219-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The reliability of the motion analysis system and the normal value of the fingertip motion area have been studied in young adults. The results indicate that the motion analysis system is a reliable tool for the evaluation of fingertip motion. It was found that the fingertip motion area in young adults has a linear correlation with the square of the finger length. Therefore, the normal value of the fingertip motion area can be calculated from the finger length.
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Affiliation(s)
- H Y Chiu
- Department of Surgery, Institute of Biomedical Engineering, Tainan, Taiwan, Republic of China
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