As You Extend Your Arm,two Tracts Work Together to Maintain

question 65

Short Answer

As you extend your arm,two tracts work together to maintain posture and muscle tone.Muscles in your proximal limb will be excited by the [dropdown 1 and inhibited by the [dropdown 2].
Dropdown choices:
corticobulbar tract
lateral reticulosppinal tract
medial reticulospinal tract
rubrospinal tract
tectospinal tract
vestibulospinal tract