Best way to build incident response muscle memory beyond one tabletop a year?

A cybersecurity professional is seeking advice on behalf of junior analysts who want to improve their incident response skills beyond the single annual tabletop exercise their company conducts. The poster notes that while detection and forensics have clear practice methods like CTFs and home labs, IR decision-making under pressure and cross-functional coordination lack obvious training equivalents. They are asking experienced practitioners what helped bridge the gap between reading playbooks and successfully handling real incidents.