Hypokalemia is not commonly caused by poor dietary intake. The most common reason that potassium levels fall is due to the loss from the gastrointestinal (GI) tract and the kidney. Potassium loss from the GI tract may be caused by: Vomiting.
Primary Muscles Used While Running. Primary muscles will get the most impact from your movement and therefore should receive more care. Your primary muscles while running will include your quads (quadriceps femoris), hamstrings, gluteus maximus, iliopsoas, and your calf muscles. quads. Your quads are muscle groups of four basic muscles located on your front thighs. You will be able to see and identify these muscles on the picture to your right.
Running takes your legs through a large range of motion, working them from top to bottom. The quadriceps in the front of your thighs work to stabilize your legs and propel you forward, while the hamstrings in the back of your legs bring your legs back and up as part of your stride. Moving these large muscle groups quickly while running helps raise your heart rate.