Double arm bent with a wide &deep position, and thumbs come forward under water, right up the should line, stable elbows and standing back to bottom of the stroke without push deep.
Double arm bent with a wide &deep position, and thumbs come forward under water, right up the should line, stable elbows and standing back to bottom of the stroke without push deep.
双臂展开至一个较宽和较深的位置，手（拇指贴水面）在水底向前推至肩线，保持稳定的肘部，而不要推得太深。