Murray hitting a backhand return viewed from the rear.

Andy Murray's movement to the wide forehand has improved over the last year.

Sharapova hitting a backhand viewed from the front

Nadal hitting a serve viewed from behind

Nadal hitting a backhand from a wide court position viewed from the rear

Exercise for developing co-ordination and footwork.

Monfils hitting a forehand form a short court position viewed from the side.

Nadal hitting a backhand viewed from the side

Video of Djokovic hitting a series of backhand volleys, viewed from the side.

Caroline Wozniacki hitting a forehand from a short court position viewed from the side.

Soderling hitting a forehand viewed from the rear.

Sharapova hitting a backhand return viewed from behind

Federer explains how he deals with pressure.

Ferrero hitting a serve viewed from the side.

Safin hitting a serve viewed from behind

Video of Djokovic hitting a backhand from a wide court position, viewed from the side.

Dementieva hits a backhand viewed from behind

Murray hitting a sliced backhand viewed from the side.

Amelie Mauresmo hitting a forehand volley viewed from the side.

Caroline Wozniacki hitting a forehand viewed from the side.