Biometric analysis hand parameters in young adults for prosthetic hand and ergonomic product applications.

IF 1.4 Q3 ANATOMY & MORPHOLOGY Anatomy & Cell Biology Pub Date : 2024-06-30 Epub Date: 2024-02-07 DOI:10.5115/acb.23.310
Gkionoul Ntelı Chatzıoglou, Yelda Pınar, Figen Govsa
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Abstract

This study aimed to evaluate the superficial anatomy, kinesiology, and functions of the hand to reveal its morphometry and apply the findings in various fields such as prosthetic hand and protective hand support product design. We examined 51 young adults (32 females, 19 males) aged between 18-30. Hand photographs were taken, and measurements were conducted using ImageJ software. Pearson correlation analysis was performed to determine the relationship between personal information and the parameters. The results of the measurements showed the average lengths of finger segments: thumb (49.5±5.5 mm), index finger (63.9±4.1 mm), middle finger (70.7±5.2 mm), ring finger (65.5±4.8 mm), and little finger (53.3±4.3 mm). Both females and males, the left index finger was measured longer than the right index finger. The right ring finger was found to be longer than the left in both sexes. Additionally, length differences between fingers in extended and maximally adducted positions were determined: thumb-index finger (56.1±6.2 mm), index-middle finger (10.7±4.1 mm), middle-ring finger (10.8±1.4 mm), and ring-little finger (25.6±2.7 mm). Other findings included the average radial natural angle (56.4°±10.5°), ulnar natural angle (23.4°±7.1°), radial deviation angle (65.2°±8.2°), ulnar deviation angle (51.2°±9.6°), and grasping/gripping angle (49.1°±5.8°). The average angles between fingers in maximum abduction positions were also measured: thumb-index finger (53.4°±6.5°), index-middle finger (17.2°±2.6°), middle-ring finger (14.3°±2.3°), and ring-little finger (32.1°±7.0°). The study examined the variability in the positioning of proximal interphalangeal joints during maximum metacarpophalangeal and proximal interphalangeal flexion, coinciding with maximum distal interphalangeal extension movements. The focal points of our observations were the asymmetrical and symmetrical arches formed by these joints. This study provides valuable hand parameters in young adults, which can be utilized in various applications such as prosthetic design, ergonomic product development, and hand-related research. The results highlight the significance of considering individual factors when assessing hand morphology and function.

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用于假手和人体工学产品应用的青壮年手部生物测量参数分析。
本研究旨在评估手的表层解剖、运动学和功能,以揭示其形态学,并将研究结果应用于假手和保护性手部支撑产品设计等多个领域。我们对 51 名 18-30 岁的年轻人(32 名女性,19 名男性)进行了研究。我们拍摄了手部照片,并使用 ImageJ 软件进行了测量。为确定个人信息与参数之间的关系,我们进行了皮尔逊相关分析。测量结果显示了手指各节的平均长度:拇指(49.5±5.5 毫米)、食指(63.9±4.1 毫米)、中指(70.7±5.2 毫米)、无名指(65.5±4.8 毫米)和小指(53.3±4.3 毫米)。无论是女性还是男性,左手食指都比右手食指长。男性和女性的右手无名指都比左手无名指长。此外,还测定了手指在伸展和最大内收位置的长度差异:拇指-食指(56.1±6.2 毫米)、食指-中指(10.7±4.1 毫米)、中指-无名指(10.8±1.4 毫米)和无名指-小指(25.6±2.7 毫米)。其他结果包括平均桡侧自然角(56.4°±10.5°)、尺侧自然角(23.4°±7.1°)、桡侧偏角(65.2°±8.2°)、尺侧偏角(51.2°±9.6°)和抓/握角(49.1°±5.8°)。此外,还测量了处于最大外展位置的手指之间的平均角度:拇指-食指(53.4°±6.5°)、食指-中指(17.2°±2.6°)、中指-无名指(14.3°±2.3°)和无名指-小指(32.1°±7.0°)。该研究考察了在掌指关节和近端指间关节最大屈曲时,近端指间关节定位的变异性,与远端指间关节最大伸展运动相吻合。我们观察的重点是这些关节形成的不对称和对称拱形。这项研究提供了有价值的青壮年手部参数,可用于假肢设计、人体工程学产品开发和手部相关研究等多个领域。研究结果强调了在评估手部形态和功能时考虑个体因素的重要性。
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来源期刊
Anatomy & Cell Biology
Anatomy & Cell Biology ANATOMY & MORPHOLOGY-
CiteScore
1.80
自引率
9.10%
发文量
75
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