The 32-year-old told the club's official website: "We are going through a very tough time, I hope this is rock bottom because there's only one way up from here.
"Everyone can be rest assured there will be no stone left unturned in the quest to resolve this. We need to work extremely hard to put our form right and start getting results.
"It's about character now and who's up for the fight. There's a lot of good guys in the dressing room who really care about this, so I'm hoping we have enough."
Talking about the upcoming fixtures, Hangeland added: "We're playing tough teams in the next couple of games, but we'll go into battle and see what happens."
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