If you are analyzing the video for material durability, you might look into the ASTM D4964 standard, which is the official test method for the tension and elongation of elastic fabrics.
For those applying designs to stretchy white fabrics, Velflex provides tutorials on avoiding creases and cracking when the fabric is under tension. Stretching white bikini.mov.mp4
However, if you are looking for technical information or academic research related to the mechanics of , the following resources and technical principles are standard in textile science: Key Technical Concepts If you are analyzing the video for material