Human skin color is determined by the interaction of melanin, carotene and hemoglobin. Storage of water, fat, glucose and vitamin D is also a function of the integumentary system, according to the AAD.
1 ExcelTest HSPT Courses offer an intensive program with 12 classes of 3 hours each over 4 - 5 weeks. 2  ExcelTest Courses offer unique and extremely effective strategies not taught anywhere else, by highly experienced, dynamic instructors.
The principles of HST are based on progressive load and on training each muscle group 3 times per week. The program is based around 2-week cycles in specific rep ranges. Also, the goal of the workouts is intensity and stimulation, not annihilation of the muscle group.