This nerve travels from your neck down your upper arm, wrapping around the elbowjoint on its way to the hand.
这条神经从你的颈部开始下伸到你的上臂，在运行到你的手的过程中围绕过你的肘关节。
2
But when it passes through your elbowjoint, the nerve is particularly close to the skin-making it a vulnerable target.
但是，当它穿过你肘关节的时候，这条神经特别靠近皮肤，使肘关节其成为一个脆弱的部位。
3
Based on the mechanism of the elbowjoint injury, the causes of the injury are described by means of technical analysis, and the ways to prevent and cure tennis elbow are suggested.