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Nam, Jin-Hee,Branson, Donna H.,Ashdown, Susan P.,Cao, Huantian,Carnrite, Erica The Korean Home Economics Association 2011 International Journal of Human Ecology Vol.12 No.1
Purpose- The purpose of this study was to compare the fit of two prototype liquid cooled vests using a 3D body scanner and accompanying software. The objectives of this study were to obtain quantitative measurements of ease values, and to use these data to evaluate the fit of two cooling vests in active positions and to develop methodological protocol to resolve alignment issues between the scans using software designed for the alignment of 3D objects. Design/methodology/approach- Garment treatments and body positions were two independent variables with three levels each. Quantitative dataset were dependent variables, and were manipulated in 3x3 factorial designs with repeated measures. Scan images from eight subjects were used and ease values were obtained to compare the fit. Two different types of analyses were conducted in order to compare the fit using t-test; those were radial mean distance value analysis and radial distance distribution rate analysis. Findings- Overall prototype II achieved a closer fit than prototype I with both analyses. These were consistent results with findings from a previous study that used a different approach for evaluation. Research limitations/implications- The main findings can be used as practical feedback for prototype modification/selection in the design process, making use of 3D body scanner as an evaluation tool. Originality/value- Methodological protocols that were devised to eliminate potential sources of errors can contribute to application of data from 3D body scanners.
Arm Armor System Performance Study: Net Effect (Perceptual Response) Analysis
Nam, Jin-Hee,Peksoz, Semra,Branson, Donna H.,Cao, Huantian The Korean Home Economics Association 2012 International Journal of Human Ecology Vol.13 No.1
This study compares the net effect of wearing different shoulder/arm armor systems on garment impediment perception and wearer acceptability. Two independent variables in this study were armor systems and shoulder/ arm movements. There were four armor systems of control garment and arm armor systems A, B, and C as well as five types of arm/shoulder movements, (shoulder flexion, should extension, shoulder abduction, shoulder horizontal flexion, and shoulder horizontal extension). Ten male volunteers wearing size medium battle dress uniform (BDU) with recent relevant military experience participated in this study. The volunteers performed shoulder/arm movements (while wearing each armor treatments) and completed the garment impediment perception as well as wearer acceptability scales. The body areas of neck side, shoulder top, and armscye front showed the highest frequency of reported impediments. Resistance to movement and localized pressure were the most frequently mentioned types of impediment. The armor system B had the most areas of impediment, and was rated as more restrictive than the control garment and armor system A for each movement. For wearer acceptability, no significant differences were found between the control garment and armor system A for all eight items; this indicated that subjects did not perceive a difference between wearing the control garment and armor system A. There was a trend for wearer acceptability to decrease from wearing the control garment to armor systems A to C to B.
Clothing Textiles : Arm Armor System Performance Study; Net Effect (Perceptual Response) Analysis
( Jin Hee Nam ),( Semra Peksoz ),( Donna H. Branson ),( Huan Tian Cao ) 대한가정학회 2012 International Journal of Human Ecology Vol.13 No.1
This study compares the net effect of wearing different shoulder/arm armor systems on garment impediment perception and wearer acceptability. Two independent variables in this study were armor systems and shoulder/ arm movements. There were four armor systems of control garment and arm armor systems A, B, and C as well as five types of arm/shoulder movements, (shoulder flexion, should extension, shoulder abduction, shoulder horizontal flexion, and shoulder horizontal extension). Ten male volunteers wearing size medium battle dress uniform (BDU) with recent relevant military experience participated in this study. The volunteers performed shoulder/arm movements (while wearing each armor treatments) and completed the garment impediment perception as well as wearer acceptability scales. The body areas of neck side, shoulder top, and armscye front showed the highest frequency of reported impediments. Resistance to movement and localized pressure were the most frequently mentioned types of impediment. The armor system B had the most areas of impediment, and was rated as more restrictive than the control garment and armor system A for each movement. For wearer acceptability, no significant differences were found between the control garment and armor system A for all eight items; this indicated that subjects did not perceive a difference between wearing the control garment and armor system A. There was a trend for wearer acceptability to decrease from wearing the control garment to armor systems A to C to B.
Transactions : An Exploratory Study of Experimental Sun Hat Designs
( Janis Stone ),( Ji Hyun Kim ),( Donna H. Branson ),( Semra Peksoz ) 한국의류산업학회 2003 한국의류산업학회지 Vol.5 No.6
For persons involved in outdoor work or leisure activities protection is needed from the long-term effects of exposure to the ultraviolet-rays of the sun. Two experimental wide-brim hat designs were created to provide improved sun protection for the face, neck, ears, and head. These hat designs were evaluated by volunteer wear-study participants in the U.S. in the states of Iowa and Oklahoma for attractiveness, sun protection, comfort, fit, practicality, and likelihood of purchase after wearing. Wear-study participants considered both designs effective for sun protection. but other problems such as stability in the wind were a concern. Each design was judged to have acceptable features as well as ones to be improved. It was shown that concern for opinions of others was a major reason for acceptance of hat designs.