<prompt> Which nerve is affected in Saturday Night Palsy?Radial nerveUlnar nerveAnterior Interosseus nerveMedian nerve  <response>: Ans. is a i.e., Radial nerve Saturday night palsy weekend palsy In this condition, there is compression of the radial nerve between spiral groove and the lateral intermuscular septum. It is known after an event which typically happens on a Saturday night weekend when in an inebriated condition, a person slump with his mid-arm compressed between the arm of the chair and his body. 