Weightwerx personal training aims to help you achieve your physical fitness goals. Victoria Sallas is NASM certified and a corrective exercise specialist. Weightwerx personal training aims to help you achieve your physical fitness goals. Victoria Sallas is a NASM certified personal trainer and a corrective exercise specialist. Fitness coaching for weight loss, bodybuilding, strength training, and sports specific exercises. Serving clients from The Woodlands, Spring, Cypress, Tomball, & Houston