When it comes to describing someone with a strong and fit physique, there are many synonyms that can be used in place of "strapping muscular". Some options include "brawny", "buff", "athletic", "powerful", "ripped", "toned", "chiseled", "well-built", "hulk-like", "beefy", "strong", and "muscular". Each of these words emphasizes different aspects of physical strength and fitness, and each can be used in different contexts depending on the tone and purpose of the message. No matter which synonym is chosen, these words convey a sense of power and vitality, and can help to inspire and motivate others towards a healthy and active lifestyle.