12round
12round is a health and fitness company specializing in high-intensity interval training (HIIT) workout programs. Founded in 2012, the company emphasizes a structured, full-body workout approach designed to maximize calorie burn and improve cardiovascular fitness within a short period. Its signature format involves a 12-round workout session, typically lasting around 30 minutes, with each round focusing on different exercises, including cardio, strength training, and core work.
The 12round system is characterized by its interval-based structure, combining periods of intense activity with recovery
Initially launched as a franchised gym model, 12round expanded rapidly across the United States and internationally.
Despite its popularity, there is ongoing scientific debate regarding the long-term effectiveness of HIIT programs like
As of recent years, 12round remains a notable player within the boutique fitness industry, advocating for active