About Stretch Zone Stretch Zone is the world's leading source and educator for today's advanced practitioner-assisted stretching, built to provide performance enhancement modalities for health practitioners, massage therapists, trainers and athletes alike, Stretch Zone Method is a proven course of innovative stretching techniques. Assistant General Manager (AGM) As a pioneer in practitioner assisted stretching, Stretch Zone is seeking an energetic, forward thinking and customer service-oriented individual with a background in either sports science or medicine, kinesiology, personal training, physical therapy, or massage therapy to join our team.