They may want to appear just as the way the bodies look in an advertisement. And if the bodies are unhealthy bodies in the advertisements then that would be a negative reaction to the advertisement.
The six principles of training are: specificity, progressive overload, reversibility, variety, training thresholds, and warm up/cool down. They can each be applied to improve an athlete's strength. Increasing intensity and following all the steps of those accurately can help improve strength
1) Change to a healthy diet (cut the carbs, consume more proteins)
2) Hit the gym
3) Yoga
