It is practiced by members in Cross, Fit-affiliated health clubs, and by individuals who total day-to-day workouts (otherwise called "WODs" or "Workouts of the Day"). Cross, Fit has been criticized for causing more injuries than other sporting activities such as traditional weight-lifting. There are also issues that its approach might trigger exertional rhabdomyolysis, a possible life-threatening breakdown of muscle from severe effort.
Greg Glassman and Lauren Jenai included Cross, Fit, Inc. in 2000. Learn More Here opened a gym in Santa Cruz, California in 2001 and published their exercises on the Internet for their customers, and these workouts were then rapidly embraced by individuals in the police, military, firefighting services. The first associated health club (referred to as 'box') to form was Cross, Fit North in Seattle, Washington when Glassman's internet posts were used by those who wanted to officially include his exercises into their training program in 2002.
Coaches associated with Cross, Fit consist of Louie Simmons, John Welbourn, and Bob Harper. The variety of Cross, Fit-affiliated fitness centers grew rapidly: there were 13 gyms in 2005, 8,000 in 2013, and more than 13,000 in 2016. By 2018, there were over 15,000 Cross, Fit health clubs in 162 countries with an approximated worldwide membership of over two million, however, the COVID-19 pandemic required the closure of around 20% of its fitness centers, and disaffiliations due to the Glassman controversy in 2020 even more decreased the variety of paid affiliations to 9,400 by early 2021.
Glassman obtained total control over the business in 2012 after a divorce with Jenai, who tried to sell her share in the company to an outside party after the divorce settlement, however Glassman purchased it with a $16 million loan from Top Partners. On June 24, 2020, following the outcry after Glassman's comments concerning the murder of George Floyd it was revealed that he was offering the company to Eric Roza, a Colorado-based Cross, Fit box (fitness center) owner and former CEO of Datalogix.