This move which also works your back muscles, but in a different way.

She moved behind him and traced the muscles of his back.

It was making her own beat faster against the strong muscles of his back.

These will help keep your back muscles strong and prevent another injury.

In this track, participants stand up and train the muscles of their back.

Fear stiffened the muscles of her back, making it difficult to turn around.

The muscles of her back turned to wound wire beneath his hands.

She began to knead the muscles of my upper back.

This forces your back muscles to take the brunt of the burden.

Rowing is an excellent way to build your back muscles.