If nothing else, at least make sure your line of sight is relatively in line with your monitor, and that your wrists make a straight line to your elbows.
如果不考虑其他的,至少要做好这一点,那就是,让视线和显示屏大致在一条直线上,并且让你的手腕和肘部保持在一条直线上。
He had his elbows splayed, his hands above his head, and Colleen pressed his wrists down into the bed.
他的两条胳膊向外斜伸出去,双手放在头的上方,科琳把他的手腕压得在床上陷了下去。
Bend elbows and touch shoulders, then straighten with PALMS up. Check that the wrists can move fully up and down.
弯曲肘部并触摸肩膀,然后伸直手心向上。检查手掌是否可以上下的旋转。
应用推荐