When you are jumping into and out of the standing poses, first bend your knees before you jump.

当你跳着进入或者从站姿跳回，首先要屈膝。

youdao

Just looking at this first line: "When I see birches bend to left and right."

看第一句：,当我看到白桦树弯下身子，向左，也向右“

耶鲁公开课 - 现代诗歌课程节选

The distance is quite long (2, 200 meters) so there's time, but you don't want to get caught wide at the first bend.

CNN: Brazilian jockey going for gold in Singapore

The inquest heard Mr Richardson was about to overtake on the first bend of a race at the Olympic Stadium in Wroclaw on 13 May.

BBC: Speedway's Lee Richardson 'aware of the danger'

After the first bend and first jumps took an early toll on the field, Strombergs took the lead at the halfway point before the crucial big jump leading into the penultimate straight.

CNN: France win BMX gold as Briton Reade crashes