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You easily get abs if you learn how to do jackknife sit ups for beginners because this exercise will strengthen your core and allow you to do more advanced ab exercises.
Adding jackknife sit ups for beginners to your ab workout will also lead to a smaller belly. However, you have to do this exercise correctly and maintain a full range of motion.
And if you're a beginner, watch the video until the end to see the beginner variation.
Jackknife sit ups benefits include strengthening your core, build abs, and shrinking your belly.
Now, don't just do jackknife sit ups all the time. Add other unique exercises to your routine such as russian twists.
Enjoy the jackknife sit ups for beginners.