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[握拳过程中手指关节运动序列的动力学]

[The dynamics of motion sequences of the finger joints during fist closure].

作者信息

Mentzel M, Benlic A, Wachter N J, Gulkin D, Bauknecht S, Gülke J

机构信息

Universitätsklinik Ulm, Klinik für Unfallchirurgie, Hand-, Plastische und Wiederherstellungschirurgie.

出版信息

Handchir Mikrochir Plast Chir. 2011 Jun;43(3):147-54. doi: 10.1055/s-0031-1271804. Epub 2011 Mar 30.


DOI:10.1055/s-0031-1271804
PMID:21452110
Abstract

The purpose of this study was to analyse motion patterns of the finger joints dynamically while making a fist. 10 subjects were examined using the TUB-sensor glove, which was equipped with 14 joint angle sensors. The median time it takes the finger joints to complete flexion until reaching the state of a closed fist ranges between 0.5 to 1.0 s. A specific pattern can be seen for every finger. The PIP and DIP joints appear to be linked, with the DIP trailing the PIP joint. At the thumb the IP is trailing the MCP joint. The MCP joint shows more variation at the beginning of flexion: while in some cases it initiates movement in a finger, in other cases its flexion falls behind the PIP joint movements. The completion of flexion is achieved by the MCP joints, with the PIP and DIP joints reaching their end of motion first. The range of motion (ROM) at the MCP joints shows a finger-dependent median of 79-97°. At the PIP joints the median lies between 87° and 90°, at the DIP joints between 52° and 68°. At the thumb it is 21° for the MCP and 24° for the IP joint. The linkage between PIP and DIP joints can also be seen when analysing the ROM. The coupling ratio amounts to 0.77 at the index finger, 0.75 at the middle and ring finger and 0.57 at the small finger.

摘要

本研究的目的是在握拳时动态分析手指关节的运动模式。使用配备有14个关节角度传感器的TUB传感器手套对10名受试者进行了检查。手指关节完成屈曲直至达到握拳状态所需的中位时间在0.5至1.0秒之间。每个手指都可以看到一种特定的模式。近端指间关节(PIP)和远端指间关节(DIP)似乎是相连的,DIP关节落后于PIP关节。在拇指处,指间关节(IP)落后于掌指关节(MCP)。MCP关节在屈曲开始时表现出更多变化:在某些情况下,它在手指中启动运动,而在其他情况下,其屈曲落后于PIP关节的运动。屈曲的完成是由MCP关节实现的,PIP和DIP关节首先到达其运动终点。MCP关节的运动范围(ROM)显示,根据手指不同,中位值在79°至97°之间。在PIP关节处,中位值在87°至90°之间,在DIP关节处,中位值在52°至68°之间。在拇指处,MCP关节为21°,IP关节为24°。在分析ROM时,也可以看到PIP和DIP关节之间的联系。食指的耦合率为0.77,中指和无名指为0.75,小指为0.57。

相似文献

[1]
[The dynamics of motion sequences of the finger joints during fist closure].

Handchir Mikrochir Plast Chir. 2011-6

[2]
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引用本文的文献

[1]
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Sci Adv. 2025-3-7

[2]
Finger Kinematics during Human Hand Grip and Release.

Biomimetics (Basel). 2023-6-8

[3]
Studying kinematic linkage of finger joints: estimation of kinematics of distal interphalangeal joints during manipulation.

PeerJ. 2022

[4]
A Novel Clinical-Driven Design for Robotic Hand Rehabilitation: Combining Sensory Training, Effortless Setup, and Large Range of Motion in a Palmar Device.

Front Neurorobot. 2021-12-20

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