Correct

滚翻

/ gǔn fān / 
Strokes

Example

As a Noun

roll

1
Kōngzhōng
空中
gǔnfān
滚翻

throw one's body in circles in the air

2
Qián
前
  
/
hòu
后
  
/
cè
侧
gǔnfān
滚翻

forward/backward/sideward roll

As a Noun

tumbling