"if range of motion is limited due to pain only it is not considered true nuchal rigidity"
"Brudziński signs"
"Brudziński cheek sign: spontaneous flexion of the arm and forearm when pressure is placed the both cheeks inferior to the zygomatic arch"
"Brudziński symphyseal sign: spontaneous hip and knee flexion, and abduction of the leg, when pressure applied to the pubic symphysis"
"Brudziński reflex: passive flexion of one knee results in reflex flexion of the contralateral hip and knee"