Mark 1:26

Tearing him [σ π α ρ α ξ α ν α υ τ ο ν]. Margin, convulsing him like a spasm. Medical writers use the word for the rotating of the stomach. Luke 4:35 adds "when the demon had thrown him down in the midst." Mark mentions the "loud voice" [φ ο ν ε ι μ ε γ α λ ε ι], a screech, in fact. It was a moment of intense excitement.