slant board

or slantboard

noun

1. a tiltable board that allows a person to lie with the feet higher than the head while doing exercises.

Example Sentences

Dancers suspend themselves to hang in space or, on the slant board, use the ropes to steady themselves while shifting their weight off the usual horizontal plane.

From Los Angeles Times

“Slant Board” looks like a wooden climbing structure you might find on a playground.

From New York Times

“You see the slant board, drove off on a cart into the tunnel,” Bengals cornerback Darqueze Dennard told the Cincinnati Enquirer after the game.

From Fox News

In “Slant Board,” dancers resemble rock climbers scaling a tilted surface; in “Hangers,” they stand still in loops of rope suspended from the ceiling.

From New York Times

Instead of pulse-pounding rivers of sweat and blaring music, In-Trinity is stretching and flexibility on a simple wooden slant board with a touch of meditation, done to calming music speckled with outdoor sounds of birds and rivers.

From Los Angeles Times