单腿站test不要闭眼注视前方就可以。一般人不会有问题，决定于腿力和耐心站多久都可以

https://www.bristol.ac.uk/news/2022/june/tne-second-one-legged-stance.html

To improve standardisation of the test, participants were asked to place the front of the free foot on the back of the opposite lower leg, while keeping their arms by their sides and their gaze fixed straight ahead. Up to three attempts on either foot were permitted.