Heavy Working sets with a rep range of 8-to-12 will lay more stress on the muscle fibers. This will in turn damage them more than opposed to a lighter weight with a high rep range of 15 reps. Your central nervous system comes into play and your whole body is activated.
Symptoms of Too Little Phosphorus. Hypophosphatemia occurs when phosphorus levels in your blood get too low. This causes your energy levels to drop, and can cause muscle weakness, fatigue, and a low tolerance for exercise.ymptoms of Too Little Phosphorus. Hypophosphatemia occurs when phosphorus levels in your blood get too low. This causes your energy levels to drop, and can cause muscle weakness, fatigue, and a low tolerance for exercise.
hypoparathyroidism, or impaired parathyroid gland function, which leads to low levels of parathyroid hormone; liver disease; Low phosphorus levels. Low phosphorus levels may be due to a range of nutritional problems and medical conditions, including: chronic use of antacids; lack of vitamin D; not getting enough phosphorus in your diet; malnutrition; alcoholism