This is a hard exercise for your tummy and hips. You hang from a bar, pull your knees up, and then push your legs down very fast. It takes a lot of strength and control to do it right.
Loading...

Add this exercise to your custom routines in Firmus
Use these hashtags when sharing on social media for better discoverability
Tải Firmus và nâng tầm thể hình của bạn