Conversely, the pubic symphysis anteriorly is weaker and more easily ruptured.

相反的，前方的耻骨联合薄弱，更容易发生断裂。

Spinal epidural abscesses may be located anteriorly or posteriorly within the spinal canal.

脊髓硬膜外脓肿可以位于椎管前部或后部。

The posterior ethmoid cells are easily identified as they are larger, wider, and fewer in number than anteriorly.

后组筛窦的气房一般大而宽，在数量上也少于前组筛窦，容易确定。

Grade discs at all levels moved posteriorly in flexion and anteriorly in extension when compared to neutral posture.

在所有水平的I级椎间盘，与中立位相比，在屈曲位向后、伸展位向前膨出。

Often the vertical force is the femur, which causes vertically orientated ramal fractures anteriorly and ligamentous injury posteriorly.

垂直力通常来自股骨，引起前方垂直方向的耻骨支骨折和后方韧带损伤。