The waist trainer is a ‘snap back’ product that celebrities use to get back in shape quickly. NYC’s Best Physical Therapist Dr. Karena Wu was first used on Dr. Oz to discuss the issues with using these products. The waist trainer is an extreme training product that can create change aesthetically but can also wreak havoc on the physical systems. Hello Giggles reached out to Dr. Wu to discuss the implications with using this product. To read the story, click here.