The best no equipment bodyweight ab exercise is the V-up / jackknife crunch. You’ll ironically have better stability doing crunches in this is manner compared to a traditional crunch. #fyp #fitness #gym #bodybuilding

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AB CRUNCH MACHINE 💪🏼 // Strengthen your abs using this classic machine! #absworkout #planetfitness

Sit Up vs Crunch, know the difference. A crunch is an isolation exercise that targets your abdominals. It has a short range of motion with only your shoulders coming off the floor while your lower back stays down. A sit up is a compound exercise where your entire upper body comes off the floor. It targets multiple core muscles including hip flexors as well as abdominals. #situps #crunches #abs #sixpack #core #fittok

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Ab Crunch Machine Demonstration For Beginners - Abdominal Gym Exercise For Muscle Building (Form)