Standing cross crunches are a type of exercise that targets the core muscles in your body. To perform the exercise, stand with your feet shoulder-width apart and cross your arms over your chest. Next, lift one knee up towards your opposite elbow while simultaneously crunching your abs. Return to the starting position and repeat with the other knee and elbow. There are several benefits to doing standing cross crunches. Firstly, they help to improve your balance and stability. This is because the