Bicycle crunch exercises are used to target the abdominal muscles. These exercises are a great way to build strength and tone your midsection. They can also help improve the overall functioning of your respiratory system. Why Bicycle Crunch Exercises Are So Effective : The physiological effects of bicycle crunch exercises are a detailed guide. These exercises are effective because they help improve the overall function of your respiratory system and build strength in your abdominal muscles. They can also help tone your midsection, making them a great option for individuals who want to maintain a healthy weight and shape. In addition to their effectiveness, these exercises offer benefits such as improved metabolism and cardiovascular health. How To Do The Exercise : The basic crunch exercise is broken down into three parts: Lie on your back, knees bent and feet flat on the floor. Raise your shoulders off of the ground while keep...