维生素D可增强骨骼和肌肉骨骼系统。
该卫生局表示，人类需要补充这些营养来增强骨骼和肌肉的健康。
These, it says, should be taken for improved bone and muscle health.
跑步能增强你的心脏和肌肉功能，但反过来也可能损伤你的膝盖和脚部骨骼。
Running can strengthen your heart and muscles, but conversely, it can also damage your knees and the bones in your feet.
由于锻炼身体可以使骨骼、肌肉、心脏和肺活量增强，研究者认为它还可以帮助大脑学习新知识以及更好地巩固记忆。
Just as exercise makes the bones, muscles, heart, and lungs stronger, researchers think that it helps the brain learn new things and remember old information better.
负重锻炼有助于增强韧带和肌腱，但不尽快肌肉和骨骼。点击这里返回演习。
Weight-bearing exercises help strengthen ligaments and tendons though not as quickly as muscle and bone. Click here for back exercises.
负重锻炼有助于增强韧带和肌腱，但不尽快肌肉和骨骼。点击这里返回演习。
Weight-bearing exercises help strengthen ligaments and tendons though not as quickly as muscle and bone. Click here for back exercises.
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