Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Kowloon City, Hong Kong.
Department of Advanced Fibro Science, Kyoto Institute of Technology, Kyoto, Japan.
PLoS One. 2021 Apr 23;16(4):e0250428. doi: 10.1371/journal.pone.0250428. eCollection 2021.
In this article, the impact of postural variations on hand anthropometry and distribution of skin strain ratios has been investigated. The literature suggests the glove fit directly affects hand functions. However, gloves currently manufactured based on a static posture failed to provide optimum fit. Workers often do not wear protective gloves due to discomfort caused by improper design, which increases the risk of hand injury. Full-color three-dimensional scans of the hands are captured with thirty healthy subjects (20 females, 10 males) to analyze the hand measurements and skin deformation with various postures. 42 of the 57 hand dimensions were found to have significant differences (p >0.05) related to hand posture. The skin strain ratios further suggest that the slant of the web space, dorsal-length and surface area should be increased, while the angles of the web space and length of the palm reduced to advance glove patterns. This research contributes to constructing gloves with optimum fit, performance, and comfort. Results show that in consideration of hand postures, the angle of the slant of web space between digits 2 and 5 and the finger length on the dorsal side should be increased, whilst the finger length on the palm side should be reduced in glove pattern design. Gloves currently constructed based on a splayed posture cannot provide a good fit. Consideration should be given to hand measurements in dynamic postures.
本文研究了姿势变化对手部人体测量学和皮肤应变比分布的影响。文献表明手套的贴合度直接影响手部功能。然而，目前基于静态姿势制造的手套无法提供最佳贴合度。由于设计不当导致的不适，工人经常不戴防护手套，这增加了手部受伤的风险。通过对 30 名健康受试者（20 名女性，10 名男性）进行全彩色三维手部扫描，分析了各种姿势下的手部测量值和皮肤变形。发现 57 个手部尺寸中有 42 个与手部姿势相关的尺寸存在显著差异（p>0.05）。皮肤应变比进一步表明，应增加掌指斜度、背长和表面积，同时减少掌部的角度和掌部长度，以改进手套样式。本研究有助于构建具有最佳贴合度、性能和舒适度的手套。研究结果表明，在考虑手部姿势时，应增加第 2 和第 5 指之间的掌指斜度角度和背侧手指长度，同时减少手掌侧的手指长度，以改进手套样式设计。目前基于张开姿势制造的手套无法提供良好的贴合度。在设计手套时应考虑动态姿势下的手部测量值。
