At the start of the 1930s the Soviet Union was the worlds largest aircraft producer by far. And as war clouds gathered during the late 1930s, the countrys production grew rapidly: Soviet production quadrupled from 2,529 in 1935 to 10,382 in 1939.
Gym Machines & Equipment. Most gyms have machines or equipment that will target the abdominals specifically. The seated abdominal crunch and captain's chair are two such machines that tone the rectus abdominis and lower abs respectively. Ask a fitness trainer to show you how to properly use machines to avoid improper technique and injury risk.
The key to getting a good workout on an elliptical machine is by using your arms properly during the exercise. Stand straight rather than tilting forward to get the most benefit in your lower body. Free weights are another common and effective type of home exercise equipment. With a weight bench, a set of dumbbells and a barbell with weight plates, you can exercise every muscle in the body. Exercise balls and medicine balls also offer a whole body workout, and this exercise is very gentle on your joints and back.