Effective bodybuilding splits are typically organized around seven primary muscle groups, each requiring specific mechanical tension to grow:
Training must address the front, side, and rear heads separately to achieve "capped" shoulders. Bodybuilding Anatomy
Exercises like the incline dumbbell press or cable flyes target the upper, middle, and lower regions of the pectoralis major. Bodybuilding Anatomy
Targeted through core stabilization and trunk flexion to define the midsection. Principles of Muscle Growth (Hypertrophy) Bodybuilding Anatomy
Includes the biceps brachii , triceps brachii (the larger part of the arm), and forearms .
A massive group encompassing the quadriceps , hamstrings , glutes , and calves (often cited as the hardest muscle to grow due to high-frequency daily use).