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.
No Butts, No Glory --Glutes & Legs. Strong, tight glutes don't just look good, they increase balance and flexibility. Two machines that target your legs and glutes are the leg press and lever squat. For the leg press, sit on the machine with your back flat against the back rest and place your feet on the resistance plate, adjusting the seat so that your knees bend at 90 degrees. Grab the side handles and contract your abs while slowly pressing the foot plate away from you while exhaling.