Comprehensive bodywork, human motion specialist, ergonomics. View Website Qualified staff Online reservations Practical suggestions On Solid GroundSM is a Physical Therapy center in San Francisco that specializes in the treatment and prevention of injuries through movement study, gentle bodywork, exercise and ergonomic consultation. Mary Ann Molnar, M.S., P.T. brings over 30 years of experience and unique insight to the field of physical therapy. Her down-to-earth approach to physical therapy draws on a wide range of treatment techniques that are effective separately and in consortium. Individuals and businesses are invited to schedule an ergonomic consultation in order to curtail work-related injuries and improve their work environment.