When working with students who have pre-existing injuries or medical conditions, yoga teachers need to be aware of the specific anatomical considerations that may affect their practice. This includes understanding how the injury or condition affects the body's range of motion, stability, and strength, and how it may affect the student's ability to perform certain yoga poses. Additionally, teachers must be aware of any contraindications or precautions associated with the student's injury or condition and adjust their instruction accordingly. This may involve modifying poses, adjusting the pace or intensity of the class, or providing alternative exercises to accommodate for the student's needs. By keeping these key anatomical considerations in mind, yoga teachers can help their students practice safely and effectively, while also promoting the long-term health and wellbeing of their bodies.