scrunch up

1. Limber hip joints let you scrunch up close to the rock and get right under tiny edges and slopers that would be impossible to hold if your body weight were away from the rock.
   柔软臀部关节可以让你在小的岩角或较斜的地方更能缩进岩壁，如果你的重心离开太远便抓不住；
2. Never scrunch up or grip the floor with your toes in any of the standing poses.
   在任何体式里都不要用脚蜷缩或者紧抠地板。

verb

1. make wrinkles or creases on a smooth surface
   1. The dress got wrinkled
   2. crease the paper like this to make a crane

   Synonym:    wrinklerucklecreasecrinklescrunchcrisp

2. sit on one's heels
   1. In some cultures, the women give birth while squatting
   2. The children hunkered down to protect themselves from the sandstorm

   Synonym:    squatcrouchscrunchhunkerhunker down