VfL Bochum bans synchronized jumping on East Stand over trampoline effect

New restrictions at the Ruhrstadion

VfL Bochum and the municipal stadium operating company Bochumer Sportstätten Besitzgesellschaft have introduced an immediate jumping ban across the East Stand at the Ruhrstadion. The prohibition applies directly to the standing section of the home supporters, located at the venue also known as the Stadion an der Castroper Straße. The German second-tier club announced the measure on Wednesday following an official regulatory order issued by the local building inspection authority. The rule takes effect immediately, meaning supporters must abide by the restrictions starting with the upcoming 2. Bundesliga match against Arminia Bielefeld on Sunday at 13:30. Club management and local officials confirmed that the club is legally mandated to implement and actively supervise the restriction during home fixtures. The joint statement from the club and the stadium operating company stressed that compliance will be strictly monitored across the entire affected area.

Cause of the bouncing ban

Club management clarified that the restriction is not caused by any structural weakness or insufficient load-bearing capacity in the concrete stands. Instead, technical assessments conducted in connection with ongoing stadium modernization identified a specific dynamic phenomenon caused by synchronized crowd movements.

Through collective, rhythmic bouncing or jumping, meaning synchronized movements of many people, a so-called trampoline effect can occur that causes a feeling of discomfort.

The expert report concluded that the oscillation produced by thousands of fans moving simultaneously creates a trampoline sensation rather than immediate structural danger. Because this motion induces nausea and physical discomfort among spectators on the terrace, construction authorities determined that intervention was necessary. The order targets only choreographed, coordinated movements orchestrated across large groups of supporters. Club officials specifically noted that spontaneous celebrations, including jumping after a goal is scored, remain fully permitted.

Threat of stand closure and duration

Failure to follow the directive carries significant administrative consequences for both the club and its fan base. The municipal building inspection authority warned that non-compliance could result in the complete closure of the entire East Stand, which holds up to 10,000 spectators. VfL Bochum must establish monitoring procedures to prevent coordinated bouncing routines on the terraces throughout the duration of the order. The safety measure will remain active for multiple seasons while comprehensive modernization work continues at the facility. According to the club, the restriction is scheduled to stay in effect until the completion of stadium renovations in 2028, at which point structural adjustments will allow the rule to be lifted. If repeated violations occur during upcoming home fixtures, supervisory bodies retain the legal authority to shut down the 10,000-capacity home curve entirely.

Precedent at 1. FC Magdeburg

A similar restriction was previously implemented at another German football ground facing structural vibration challenges. In 2016, 1. FC Magdeburg barred fans on the North Stand from rhythmic jumping after engineers registered severe vibrations that posed a risk of damage to the reinforced concrete structure. Magdeburg subsequently undertook extensive rebuilding and reinforcement work between 2016 and 2019 to stabilize the terrace. Once the reinforced concrete structure was strengthened and renovation works concluded in 2019, Magdeburg authorities officially lifted the jumping ban. The Magdeburg precedent demonstrated that structural retrofitting can resolve oscillation problems, though it required three years of engineering interventions. VfL Bochum faces a comparable timeline as it manages crowd movements until its own engineering project concludes in 2028.