The Zygomaticus Muscle is a facial muscle with relevance in orthopaedics, particularly in the context of maxillofacial anatomy and expressions. It consists of two parts: the zygomaticus major and the zygomaticus minor. In orthopaedics, assessments may involve evaluating the zygomaticus muscles in cases of facial trauma, paralysis, or disorders affecting facial expressions. Dysfunction in these muscles can impact a patient's ability to smile, leading to both functional and aesthetic concerns. Rehabilitation strategies for zygomaticus-related issues in orthopaedics may include interventions to address facial nerve injuries, physical therapy, and, in some cases, surgical procedures to restore facial symmetry and function. Understanding the anatomy and function of the zygomaticus muscle is crucial for orthopaedic specialists dealing with maxillofacial conditions, contributing to comprehensive musculoskeletal care and effective rehabilitation, particularly in cases where facial expressions are compromised due to trauma or paralysis.