Normal levels of creatinine in the blood are approximately 0.6 to 1.2 milligrams (mg) per deciliter (dL) in adult males and 0.5 to 1.1 milligrams per deciliter in adult females. Muscular young or middle-aged adults may have more creatinine in their blood than the norm for the general population.
Types of muscle fibers. Skeletal muscle, the type that is responsible for moving our muscles when we run, is comprised of three different muscle fiber types, each with its own advantages, disadvantages, and specialty.
MUSCLE GROUPS WORKED. The plank works almost every main muscle and here are a few: deltoids, biceps, triceps, obliques, rectus abdominis, latissimus dorsi, pectorals major, gluteus maximus, quadriceps, hamstrings, gastrocnemius.