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Jack Knives Exercising and Workout Guide

Author:Primary Muscle:Print?
Rod FerrisAbdominals, Core, Ab, Six Pack Abs, Hip ExercisePrint Jack Knives
Performance Recommendations
Jack Knives - Exercise Video DemonstrationThis exercise can be performed with your knees bent or kept straight. Lie on a bench with your lower body not on the bench. Complete a crunch and bring your knees and shoulders together. This exercise takes a lot of balance and is great for any athletes.

Spotter Information:
Encourage away.

Variations of this Exercise:
hanging leg raises, roman chair, weighted ball crunches

Jack Knives Training Equipment & Products
Want to purchase some Jack Knives training equipment? Make sure to look for a good manufacturer and remember that you get what you pay for. Bad quality fitness equipment is dangerous.

Workout Log and Journal ($12cdn)- Weight Training Log Book and Training Program Instruction Guide.
-Over 100 exercises
-Training programs
- Weight training log book
- Workout Log
- Nutrition Log
- Your how to guide.
"Personal Trainer in your pocket"

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