His spine bowed, raising him out of my lap, throwing his head.

His spine bowed, body pressing against mine.

The spine bowed, humped up, and the flesh split along the backbone.

Gomnol's body twisted, the spine bowed backward in tetany.

His spine bowed upward, so that he rested on the back of his skull and his hips.

He gasped, spine bowing underneath me, hands grabbing my arms, fingers convulsing against my bare skin.

His spine bowed upward as if rising like a tent all on its own.

He muttered, "Sorry," then his spine bowed, body twisting.

Jamil's eyes flew wide, and his spine bowed.

She started to lay hands on him, and his spine bowed upward, as if drawn by some invisible string.