尺神经自胸小肌的下缘穿出,沿手臂下行,在腕掌侧韧带的深面经腕豆骨桡侧入手掌。它在前臂下半部仅被皮肤及固有筋膜覆盖。因此,许多因素,诸如长期挤压或开放性外伤都可以造成只神经的损害。但在正常的乒乓球技术训练中一般不俱备造成尺神经损伤的因素,所以尺神经损伤在乒乓球运动员中较为 Ulnar nerve pierced from the lower edge of the pectoralis minor muscle, descending along the arm, into the palm of the hand by the radial side of the legumes in the deep side of the ligaments. It is covered only by the skin and the native fascia in the lower half of the forearm. Therefore, many factors, such as long-term compression or open trauma can cause nerve-only damage. However, in the normal training of table tennis techniques are generally not the cause of ulnar nerve injury, so ulnar nerve injury in table tennis players more