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。
2
It is activated from the brainstem reticulospinal neurones, which in turn are controlled from diencephalon and mesencephalon with separate populations of locomotor command neurones.
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.