ab workouts for beginners Jackknife Sit Up - Core / Abs - Bodybuilding.com

For more exercises: http://bbcom.me/ZML9cG
Add this jackknife sit up exercise to your abs / core workout!

Jackknife Sit-Up

Also Known As: V-Up
Exercise Data
Type: Strength
Main Muscle Worked: Abdominals
Equipment: Body Only
Mechanics Type: Compound
Level: Beginner
Sport: No
Force: Pull

Lie flat on the floor (or exercise mat) on your back with your arms extended straight back behind your head and your legs extended also. This will be your starting position.
As you exhale, bend at the waist while simultaneously raising your legs and arms to meet in a jackknife position. Tip: The legs should be extended and lifted at approximately a 35-45 degree angle from the floor and the arms should be extended and parallel to your legs. The upper torso should be off the floor.
While inhaling, lower your arms and legs back to the starting position.
Repeat for the recommended amount of repetitions.
Variation: If you are really advanced you could use a medicine ball for added resistance.

ab workouts for beginners Jackknife Sit Up - Core / Abs - Bodybuilding.com
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How-to & Style	Upload TimePublished on 16 Aug 2013

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