The risorius may be a small muscle, but it plays a big role in smile dynamics and it’s one injectors must respect. 🔎 What injectors need to know: Anatomy: lies above the buccinator, with its origin on the surface of the masseter. Function: contributes to smiling by pulling the corners of the mouth laterally. Clinical relevance: it’s often affected indirectly during masseter toxin treatments. → If you relax the risorius by accident, patients can lose smile width or expression, especially after j

🌟 The Biceps Muscle: Anatomy and Movement 🌟 The biceps brachii, located in the upper arm, is essential for bending the elbow and rotating the forearm. This muscle has two heads, the short head and the long head, which work together to perform powerful movements. Understanding the anatomy and function of the biceps can enhance your fitness training and rehabilitation strategies. Join the conversation and share your thoughts or questions about biceps health and exercises! #MuscleHealth #FitnessT