Humberto Silveira

Born on March 6, 1974, in Minas Gerais, Brazil, Humberto Silveira Braga came to the martial arts early and stayed committed. He first stepped onto the mat at age six, spending years in dedicated Judo practice that built the technical foundation for everything that would follow. At 17, he relocated and transitioned to Brazilian Jiu-Jitsu, joining Academia Shiozawa in Bahia — one of the region's most respected grappling academies, carrying a distinct lineage in both Judo and BJJ.

At Academia Shiozawa, Humberto trained under Serrinha, a black belt in both Judo and Brazilian Jiu-Jitsu. Though competition never held a particular appeal for him, his technical development consistently stood out. His precision and commitment to the craft advanced him steadily through the ranks, culminating in his BJJ black belt from Serrinha in 2005, followed by his second degree in 2008.

In 2005, Humberto undertook an intensive six-month training period in Rio de Janeiro under the renowned master Oswaldo Alves. The experience proved transformative — though not entirely in the ways he had hoped. The demanding training regimen placed severe strain on his body, ultimately resulting in a slipped disc that put his entire martial arts career in jeopardy.

The consequences were significant. Humberto lost approximately 70% of his strength on the right side of his body, accompanied by pronounced muscle atrophy across the shoulder, arm, pectorals, and leg. His neurologist recommended surgery and offered little assurance of a full return to training. Humberto faced a stark crossroads: the potential end of the life he had built around the martial arts.

On the very day he received that surgical recommendation, his mother gifted him a Swiss Ball. What appeared to be a small gesture would prove to be one of the most consequential turning points of his career.

From Rehabilitation to Grappling Methodology

Drawing on his background in physical education, Humberto approached the Swiss Ball not simply as a rehabilitation tool but as a vehicle for functional training. He built a disciplined daily practice around it, targeting the specific physical deficits caused by his injury — core instability, compromised hip mobility, and the loss of functional strength that had accompanied the disc damage.

The results were gradual but undeniable. His lost muscle mass began to return, and his strength progressively recovered. More significantly, the exercises he developed during rehabilitation revealed a direct application to grappling performance. The emphasis on core strength and hip mobility translated seamlessly onto the mat, and Humberto began integrating the system into regular classes at his gym. Students responded strongly, with measurable improvements in their grappling ability becoming evident.

Formalizing the System

Convinced of the system's value — both as a rehabilitation protocol and as a grappling-specific conditioning methodology — Humberto formalized his work. In 2007, he patented the exercises under the name Contato Constante, meaning Constant Contact. The system established a structured method for improving grappling performance through targeted movements focused on core strength and hip mobility, earning recognition across the Brazilian Jiu-Jitsu and broader combat sports communities.

Daniel Valverde extended an invitation for Humberto Silveira to bring Contato Constante to the United States, marking a meaningful expansion of the methodology's reach. The move introduced the system to grapplers and combat sports athletes across the American market.

Humberto's association with MMA Masters, alongside his roots at Academia Shiozawa, provided a broader platform for his training philosophy to gain international exposure. The system's emphasis on functional mobility and core conditioning gave it an appeal that extended well beyond the BJJ community, resonating with athletes across grappling disciplines who sought structured, evidence-based methods for improving both performance and durability on the mat.