Stretching routines can be tailored for various fitness levels by considering individual flexibility, strength, and overall physical condition. For beginners, basic static stretches that focus on major muscle groups can be introduced, with an emphasis on gentle movements to avoid injury. Intermediate practitioners might incorporate dynamic stretches or more advanced poses that require increased flexibility. Advanced athletes can benefit from targeted stretching routines aimed at enhancing athletic performance and improving range of motion. Additionally, modifications can be made based on any pre-existing injuries, ensuring that all individuals can engage safely in stretching exercises.