This results in shortness of breath and pulmonary edema. Common causes of left-sided failure include the following: 1  Drinking too much alcohol. 2  Heart attack. 3  Heart muscle infections. 4  High blood pressure. 5  Hypothyroidism. 6  Leaking or narrow heart valves.
Â· just now. Report Abuse. Since you are trying to tone, do 2 or 3 sets of 12-15 reps. In other words, do 12-15 squats or leg presses, then rest 30 seconds to one minute, and repeat one or two more times. If you were trying to gain muscle mass, you would do less reps and more sets with a higher weight.
Phase 3: Drop Pushups. In this phase you are going to do 5 sets of 20 pushups. You will do as many real pushups as you can, then drop to your knees to finish the rest of the 20 reps with knee pushups. Rest 2 minutes, and do another set. You will do this workout just 2 times a week. Repeat till you have done all 5 sets.