He was sitting up straight.

Carry your head high.

Carry your head high.

Carry your head high.

A shiver ran down my spine.

The sight sent chills of delight up my spine.

The sight made a chill run down my spine.

When I heard the news on the radio, a chill ran down my spine.

That exercise - backs together, link arms, one bends forwards while the other stretches their back - we did that a lot as children, didn't we?

Please keep your back straight and relax your body.

A shiver ran down my spine.