Crunches with legs to build eight-pack abs
Compared with sit-ups, the advantage of crunches is that they have a small range of motion and are less likely to be injured. They can train the entire abdominal muscles and stimulate the abdomen more. continued. In order to increase the intensity, you can put a piece of equipment between your legs. The weight depends on your personal ability. 15 sets, 2 to 3 sets a day, persist for 4 weeks, noticeable changes!
