下腰

下腰	xià yāo	(gymnastics) to do a bridge / to do a crab
下	xià	down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action
腰	yāo	the waist and lower back / (bound form) kidney of an animal (as food) / the waist of trousers or a skirt / (metonym) money pouch; pocket / (bound form) the middle section of an upright object (mountain, bottle etc)