英语语法分析

The rubrospinal tract and lateral vestibulospinal and pontine reticulospinal tract biased extension in the upper extremities.

上肢的风湿性脊髓束和外侧前庭脊髓和桥状网状脊髓束偏向伸展。

The rubrospinal tract and medullary reticulospinal tract biased flexion outweighs the medial and lateral vestibulospinal and pontine reticulospinal tract biased extension in the upper extremities.

这样在上肢，偏向屈肌的红核脊髓束和延髓网状脊髓束占优于偏向伸肌的前庭脊髓中间束和侧束及脑桥的网状脊髓束。