For NH4, what is required for the jump element?

The requirement for NH4 regarding jump elements stipulates that at least one-quarter of the team must perform an axel or double jump. This is significant as it establishes a standard that promotes the incorporation of more challenging skills, enhancing the complexity and overall quality of the performance.

When a team includes skaters performing higher-level jumps such as axels or double jumps, it demonstrates a higher technical proficiency and elevates the competitive element of the routine. Including these elements allows teams to vie for higher scores, as technical difficulty plays a crucial role in judging.

The other options do not align with the established criteria for this category. For instance, the notion that all skaters must perform a waltz jump limits diversity in jump type, while the suggestion that only one type of jump may be used restricts creativity and execution variety within the team. Additionally, disallowing jumps altogether would contradict the spirit of competition where jumps are fundamental to showcasing skills and contributing to the routines' overall artistry.