Suppo of the muscles against gravity is a function of which one of the following?
Vestibular nucleus
Hypothalamus
Supplementary motor area
Amygidala
The vestibulospinal fibres which arise from lateral vestibular nucleus located at the junction of pons and medulla control the antigravity group of muscles.(Ref: AK Jain textbook of physiology pa 11, 5th edition pg 944)
Brain 