The Insanity workout became popular after it was released in 2009. Many people like it for the following reasons: options. no equipment needed.

Is insanity the hardest workout ever?

Billed as the hardest workout ever put on DVD, Insanity purportedly used max-interval training (an inversion of the usual short anaerobic exercises followed by less intense recovery periods) to get fast, durable results.

Is insanity still a good workout?

Insanity is all about aerobics. It will help you increase your cardiovascular fitness and lose weight/body fat. Strength: Yes. ... What makes Insanity such an effective cardio workout are the high-impact exercises, which include jumping jacks, jumps, and sprints.