通过胸腔前面来伸展肩胛骨。

Project your shoulder blades through the front of your chest.

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使两臂远离肩胛骨中间的空间，向外伸展。

Turn the arms outward and stretch them away from the space between the shoulder blades.

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使两臂远离肩胛骨中间的空间，向外伸展。

Turn the arms outward and stretch them away from the space between the shoulder blades.

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