Swimmers have a tendency to drop the elbow in backstroke. That is, they let the elbow lead the hand. This should be avoided, as it decreases stroke efficiency.
有些人在有仰泳时有沉肘的倾向，就是他们用肘部来带动手的动作。这个动作应该避免，因为这个动作可能会降低划水效率。
A cross over at the front of the stroke tends to cause your elbow to drop, also damaging your catch and hurting your propulsion.
身前的划水过中线易于使你的肘部下沉，而且破坏你的抓水和损害你的动力。
A cross over at the front of the stroke tends to cause your elbow to drop, also damaging your catch and hurting your propulsion.
身前的划水过中线易于使你的肘部下沉，而且破坏你的抓水和损害你的动力。
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