Red Nucleus Topics

• motor cortex
• rubrospinal tract
• corticospinal tract
• arms and legs
• muscle movement
• axons
• cerebellum
• nucleus
• spinal cord
• fingers
• babies
• control

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Red Nucleus, Red Nucleus

However the crawling of babies is controlled by the red nucleus, as is arm-swinging in normal walking. Since the red nucleus has sparse control over hands (as the Rubrospinal tract is more involved in large muscle movement such as that for Arms and Legs), fine control of the fingers is not modified by the functioning of the red nucleus (rather it relies on the corticospinal tract). The majority of red nucleus axons do not project to the spinal cord, but relay information from the motor cortex to the cerebellum.

Source: Wikipedia > Red Nucleus