About us
Stay in Shape offers clients the flexibility of working out from home with an exclusive personal trainer or going to the studio to participate in fitness classes with individuals of all age levels or custom personal training. Owner Marjorie Jaffe, Personal Trainer in NYC, is one of New York City's most experienced and trusted private personal trainers. Her fitness studio, Back in Shape, was recognized as the Best Exercise Studio in New York by New York Magazine. She has also written several great fitness books for back pain, women's health, children and relaxation techniques. Along with being a skilled NYC personal trainer, Marjorie has extensive experience in treating both back and neck pain caused by sciatica, poor posture and more. Today she also specializes in senior personal training and creating holistic fitness programs.