Dorbarre knee-to-nose crunches are a good exercise to strengthen the core and improve balance and stability. This exercise also increases hip mobility and strength. Learn more about properly executing this exercise with the video above.
Regression
Make this exercise easier by just tapping foot lightly back (no lunge) and not bringing leading leg up as high.
Progression
Make this movement more challenging by getting lower into a lunge position and then bringing your leading leg up higher & closer to your nose.
