Amazing Abdominal Exercise for Chiseled Functional Abs

Summary by Krater

Eric Wong demonstrates progressions of the jackknife exercise on an exercise ball, moving from a standard jackknife to a single-leg jackknife, a flat jackknife, and a single-leg flat jackknife to improve core stability for martial artists.

From the video

Answers: How do you progress the jackknife exercise on an exercise ball?

• jackknife exercise progressions
• core stability for mixed martial arts
• exercise ball core workout
• hip flexor and abdominal training

Exercises

• jackknife · exercise ball
• single leg jackknife · exercise ball
• flat jackknife · exercise ball
• single leg flat jackknife · exercise ball

What it concludes

• Keeping shoulder blades down and back, maintaining a neutral lumbar spine, and avoiding low back rounding are crucial for proper jackknife form.
• The one-leg flat jackknife is the most difficult progression in the series and requires careful attention to form and hip dissociation.