Cross training is typically defined as an exercise regimen that uses several modes of training to develop a specific component of fitness. Cross training includes to train (a worker, athlete, etc.) to be proficient at different, usually related, skills, tasks, jobs, etc. A company or organization that teaches your employees the skills and responsibilities of another position increase their effectiveness. How does that relate to personal development and growth goals? A cross training program for personal growth provides the tools to increase resilience to stress and maximize productivity.