Benefits of Knife-Jack sit-ups 💪🏼 Thank you to our wonderful Arfitean @zelzhcabbage for sharing her Knife-Jack Abs workout at home 👊🏼 The Knife-Jack abs workout and also known as the V-up is a bodyweight movement that targets the muscles of the abs, the rectus abdominis or "six-pack" muscles in particular. It is similar to a suitcase crunch, but the lower back lifts off the ground at the top of each rep. It can be performed for time or reps in the ab-focused portion of any workout. Benefits: •Strengthens the abs and hip flexors •Increases core strength and stability •More difficult than standard crunches or reverse crunches •Requires no equipment Remember to keep breathing in and out and keep that core tight while performing these steps. Have fun and keep that smile up 😃 Always with you, Team ARFIT #arfit #arfitco #arfiteans #abs #stayhomestayhealthy #fitness https://www.instagram.com/p/B_HWFjIh_4L/?igshid=1kcv7wfj050uz
