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.
Phosphorus levels that are too high or too low can cause medical complications, such as heart disease, joint pain, or fatigue. You need phosphorus to keep your bones strong and healthy, to help make energy, and to move your muscles. In addition, phosphorus helps to: build strong bones and teeth.