This 8-week chest workouts are a mass building workouts of chest, if your chest muscles are weak, it will help you to increase the thickness and width of your chest.

The chest workouts training program builds thickness (strength) and width (endurance) of your chest muscle. This will help to gain 1–2 inches of chest size and around 8 pounds (3.63 kg) of muscle mass if you follow the exact workouts and diet plan for the proper results.

The routine for these chest workouts is very simple. On Monday you will do chest-strength training (maximize growth and strength) and on Thursday you will do chest-endurance training (improved fast-twitch muscle fiber development). Meaning, the focus will be on two different muscle fibers.

Chest muscles functions

The pectoralis major is the large muscle that covers the front half of your chest. One of its functions is to turn your hand inward. Its other function is to help pull your hand forward and down. Pectoralis minor occurs directly below the pectoralis major. It is attached to your third, fourth, and fifth ribs at the bottom, and above all, it is attached to the front of your shoulder blades. It helps to pull your shoulder blades down, and when you have to push with your hands, it helps to keep your shoulders down¹.

Six different sets of muscle fibers have been identified within the pectoralis major muscle, allowing parts of the muscle to move freely by the nervous system². Pectoralis injuries can occur during weight lifting, as well as other bodybuilding exercises that place excessive pressure on the shoulders and chest.

8 weeks chest workouts schedule for thickness and width

On Monday, the focus’ll be on the fast-twitch muscle fiber, in which you’ll hit 8–6 reps with heavyweight lifts. On Thursday, slow-twitch muscle fiber involve with a rep-range of 15-12. The rest period will be around 3 minutes on Monday and 1 minute on Thursday.

Chest Workout for Thickness (Strength)

Note: Increase weight in every set. The rest period will be 3 minutes in between sets.

Chest Workout for Width (Endurance)

Note: The rest period will be 1 minute in between sets. Increase weight in every set.

Combine workouts schedule for all weak muscles

Now it is to be noted here that this chest workouts must be combined with any other routine, not that you are doing only this workouts plan and not training your other muscles. You have to do back, shoulders, arms (biceps, triceps, and forearms), legs, and also train the abs muscles.

8 weeks diet plan

Before follow the diet plan first calculate your daily calories’ requirement, since everyone has height, weight, and age are different, so they need different calories. (Our BMI, BMR, Calorie, and Macros calculator app).

The diet plan of this chest workouts is caloric surplus, if you want, you can also do it with caloric deficit program. Since it’s mass building workouts, it will be good if you follow the muscle gain diet plan of this workouts program.

The 8 weeks diet plan based on 2800+ calories are given below, you can add or remove few macronutrients as per your daily calories requirements.

Breakfast Meal

Snack Meal

Lunch Meal

Snack Meal

Dinner Meal

1 Hour Before Bed Meal

Pre-workout Meal

Post-workout Meal

1. Treasure Island (FL): StatPearls Publishing; 2022 Jan. Anatomy, Thorax, Pectoralis Major Major. Francesca Solari; Bracken Burns. Available here: https://www.ncbi.nlm.nih.gov/books/NBK525991/[↩]
2. Treasure Island (FL): StatPearls Publishing; 2022 Jan. Anatomy, Shoulder and Upper Limb, Pectoral Muscles. Mirza A. Baig; Bruno Bordoni. Available here: https://www.ncbi.nlm.nih.gov/books/NBK545241/[↩]