Hello KWAREHIME, Thank you for your question about high-intensity electromagnetic therapy for building buttock muscle. This technology, which involves electrically stimulating the gluteus maximus muscle to induce contractions and potentially build muscle mass, has been explored by plastic surgeons for years. While this technology has been around for over 50 years, its effectiveness in significantly building muscle mass for aesthetic purposes remains a subject of debate. It's often used in muscle rehabilitation, but when it comes to building body muscle mass, traditional exercises like squats and using the stairmaster are generally more effective. These exercises are known to build buttock muscle more efficiently than high-intensity electromagnetic therapy. In conclusion, while high-intensity electromagnetic therapy is a real procedure and can be beneficial for certain applications, especially in rehabilitation, traditional physical exercises remain the most reliable method for building muscle mass in the buttocks for aesthetic improvement. I hope this clarifies your query about high-intensity electromagnetic therapy and its effectiveness in building buttock muscle. Good luck with your fitness journey! Sincerely, Dr. Katzen