In an article titled "Reacher's Alan Ritchson's Workout to Build 30lbs of Action-Hero Muscle" by Men's Health, the author explores the workout regimen followed by actor Alan Ritchson to gain 30 pounds of muscle for his role as an action hero in the movie "Reacher."

Ritchson's workout routine focuses on a combination of weightlifting exercises and intense cardio sessions. He begins his training sessions with a warm-up, followed by weightlifting exercises targeting different muscle groups such as the chest, back, arms, and legs. To ensure continuous muscle growth and avoid plateaus, Ritchson switches up his exercises every few weeks.

Additionally, the actor incorporates circuit training into his routine, which helps in increasing his endurance and building overall strength. With circuit training, Ritchson performs a series of exercises back-to-back, without taking breaks, to keep his heart rate up and maximize calorie burn.

In terms of diet, Ritchson follows a high-protein meal plan to fuel his workouts and support muscle growth. He focuses on consuming lean sources of protein such as chicken, fish, and eggs, along with complex carbohydrates and healthy fats. The actor also ensures he stays hydrated throughout the day.

Ritchson's dedication and consistency in following this workout regimen have helped him transform his physique and gain the necessary muscle mass to portray an action hero on screen. His story serves as an inspiration to individuals looking to build muscle and achieve their fitness goals.