prone positioning       
noun [ U ]  medical specialized uk/ˌprəʊn pəˈzɪʃ.ən.ɪŋ/ us/ˌproʊn pəˈzɪʃ.ən.ɪŋ/
 俯卧位置
the position of lying face down
  Prone positioning for the prevention of pressure ulcers may be necessary. 可能有必要采取俯卧位来防止压疮。 
 the correlation between prone positioning and Sudden Infant Death Syndrome 
Compare: proning
 - More examples
 - Prone positioning is another conservative treatment that may alleviate symptoms.
 - The study examines the effect of prone positioning on the survival of patients with acute Covid 19.
 - Prone positioning can make it more difficult to see the lower cervical levels clearly on fluoroscopy.