DPT-303.4-PT Essentials – Static Testing – Body Composition: Skin Fold You must first complete DPT-101-Welcome before viewing this LessonPlease sign up for the course before starting the lesson. 3 - PT Essentials. Health & Fitness Appraisal DPT-303.3-PT Essentials - Static Testing - Body Composition DPT-303.5-PT Essentials - Static Testing: Lung Function Back to: Diploma in Personal Training (NVQ) > DipPT - Module 3