Urinary track obstruction
Here is how to treat difficulty urinating with sensation of bladder being twisted. The disorder is that people have difficulty passing urine with the sensation of bladder being twisted. There is a pulling sensation under the belly and the urine will not come out. This may arise out of holding in urine too long. As for the condition, Huh Im recommended applying 2 x 7 moxa cones at acupuncture point RN4 (??).
Here are some more articles for moxibustion if you may like to read.