I saw the athletes have been standing on the starting line, ready to prepare running posture.

我看到运动员们都已站到起跑线上，做好了预备跑的姿势。

youdao

Sure. It can reduce the forces a lot, it can change your running posture a little, it may reduce injuries.

当然，它可以减少许多力，它可以改变您的跑姿少许，它可能降低受伤风险。

youdao

Shoulders Shoulders play an important role in keeping your upper body relaxed while you run, which is critical to maintaining efficient running posture.

当您在奔跑时，肩膀对保持您上半身的松弛非常重要，保持上半身的松弛又是维持高效率跑步姿势的关键。

youdao

"Our study shows that the heel-down posture increases the economy of walking but not the economy of running, " says Carrier.

CNN: Running debate: Bare or in shoes?