Dortmund - Having taken just one point from their last four Bundesliga games, it will have come as no surprise to hear Borussia Dortmund coach Jürgen Klopp say the club had hit "rock bottom".

BVB's 1-0 defeat to Hamburger SV on Matchday 7 was just the latest in a string of below-par domestic displays, and with the side currently down in 13th place, bundesliga.com explores why things are not quite clicking as they should at the Signal Iduna Park…

Dortmund's efficiency is certainly not what it was last season, when one in three of their shots on target rippled the net, while this year it is only one in four.

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At times Klopp has had to field players who were not 100 per cent fit in order to make up the numbers, such as when he selected (pictured) against Hamburg.

Against HSV there were too few players willing to get the ball forward quickly, and the only dangerous moments came when the game was nearing its conclusion - Dortmund's first real chance came in the 72nd minute.

Against Hamburg, this was an approach they attempted 20 times without any success.

Take a look at what Shinji Kagawa makes of Dortmund's current woes on the Bundesliga's official YouTube channel:

Furthermore, Dortmund tend to lose the ball too frequently when the team are moving forward, an example being , whose misplaced pass near the halfway line led directly to HSV's winner. Individual mistakes have haunted BVB all season, resulting in a third of the goals they have conceded. Prone to mistakes as Klopp's charges currently are, they have yet to keep a single clean sheet this term.

Compiled by Dietmar Nolte