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.
Choose low-phosphorus foods. The best way to limit phosphorus in your diet is to limit foods highest in phosphorus, including: 1  Fast food, convenience foods and processed foods, which may be full of phosphorus additives. 2  Beverages that contain phosphorus (look for the letters phos in the ingredient list).hether you have early-stage kidney disease or you're on dialysis, you'll likely be advised to limit your phosphorus intake. Nearly every food contains some phosphorus. A registered dietitian can help you choose foods that are lower in phosphorus.