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1·More than half of babies later diagnosed with autism had abnormal arm tone - either too floppy or too rigid - compared to 22% of babies that developed normally.

超过一半的自闭症婴儿都有手臂肌力上的缺陷，不是过于疲软就是过于僵硬，这一情况在正常婴儿中占22%。

2·I still got a long way to go, said the New York City computer network specialist who had a stroke two days before his 40th birthday. The robot really put a lot of muscle tone back in my arm.

这名纽约市电脑网络专家在他40岁生日的前两天中风了，他说：“我仍然有很长的路要走，机器人的确使我手臂肌肉的张力恢复了很多。”

3·Train Triceps, avoid loose, flabby upper arm. Improve muscle tone.

练习肱三头肌，防止上臂肌肉松弛。