Is this the toughest circuit class in the UK?

Circuit training is one of the most popular classes and gym's and leisure centre's across the UK. A circuit class would typically include a mixture of aerobic and anaerobic exercises and could last anything between 45 and 90 minutes. Gymbox in central London have come up with 'Psycho' circuits and a reporter from Men's Fitness Magazine claimed that it was the toughest class in the UK. Click here and see for yourself.