Graduate Thesis Or Dissertation
 

The Development and Evaluation of the Tennis Shirt Pattern for a Wheelchair Tennis Player in a CAD Program

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/hq37vr887

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  • This study was to develop and evaluate a shirt pattern for a wheelchair tennis player to improve comfort using reducing garment strain using a CAD program. For that, seven body movements related to garment strain during play were analyzed. In order to develop a pattern, a morphological matrix was used to generate a pattern design concept. In the morphological matrix, the tennis shirt patterns were deconstructed and each was named as function and each function had potential pattern making solutions, including the surface zone methods, structural lines development, and wearing eases development. The surface zones in the present study were calculated to explain the bodice subdivided zones to develop 2D patterns that apply to each surface of the 3D avatars. The structural lines utilized to adjust a tennis shirt block pattern in this study. Also, the wearing eases development was managed at the grade points of the pattern to provide ease by using the change of length. Based on the possible solutions, patterns were adjusted to meet the garment comfort aspect for each function of pattern on the 3D avatars. In this study, 3D body scanner was used to create 3D avatars with postures based on the determined body movements. The drafted pattern was used to drape the virtual garments on the each movement of 3D avatars in the CAD program, and then the stain areas of the pattern design were identified using the tension map. In all of the movements, the majority of garment strain appeared on the shoulder surface and around the neck as the bodice shoulder angle function. The majority of other strain found was on the shoulder blade as the bodice bust function during movements in the forehand swing, backhand swing, serve toss, and serve follow through postures. The first pattern was developed to release garment strain on the shoulder surface zones as the shoulder structural line was spread in a parallel way and the shoulder point was expanded. Since the strain was decreased significantly in both forehand movements on the shoulder surface zone, the first pattern can be effectively applied to the bodice shoulder angle function. The second pattern was constructed to release the other maximized strain on the back surface zone of the shoulder blade. The result of the second pattern was shown that the strain relatively decreased with forehand swing, backhand swing, serve toss, and serve follow through postures. Based on the results of this study, it should be noted that the shoulder and the shoulder blade areas are important during development of patterns, in terms of decreasing strain for comfort during movements. Also, for the wheelchair users during play, the movements affecting the shoulder blade, such as back swing posture and serve toss posture, are more effective for reducing strain.
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