This strengthens new muscles and connective tissues while reducing the repetitivestress on the same body parts.
这样子加强了新的肌肉和结缔组织，同时减少同一部位的重复应力。
2
It probably would be helpful to use an ergonomic keyboard to further reduce your risk of a repetitivestress injury.
如果使用人机工程学键盘来进一步减少重复劳损的风险就更好了。
3
When a child specializes in one sport early in life, certain body parts - the arm of a Little League pitcher, the spine of a gymnast - are subjected to repetitivestress and overuse.