If the pressure is large or long-term bent back, in fact, the "hump-back" through stretching exercises to correct, relieve muscle stiffness, chest extended, open-minded, would feel better Oh!

如果只是压力大或长期弯著背，其实这种“驼背”可以透过伸展运动来矫正，舒解僵硬肌肉，扩胸伸展，开阔心胸，心情也会更好喔！

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Your doctor may suggest a stretching program, certain exercises, over-the-counter or prescription pain relievers or muscle relaxants for severe or repeated cramps.

CNN: What causes muscle cramps?