He was moving along the back of the crowd, following me.

He ran a hand along the back of his neck.

He could almost feel the hair standing up along the back of his neck.

He moved to stand behind a chair, running one hand along its smooth back.

I didn't say anything and he slowly ran his hand along the little animal's back.

He drew a slow line along the back of her hand.

She put her arm along the back of the bench.

You will feel the stretch along the back of your arm.

Now he was looking down the narrow path which led along the back of the building.

That would be halfway along the back of the stand.