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GymFit Pro
Home
Exercises
Blog
Favorites
Profile
Home
Exercises
Jackknife Sit-Up
Jackknife Sit-Up
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Exercise Details
Body Part
Waist
Equipment
Body Weight
Target Muscle
Abs
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How to Perform
1
Lie flat on your back with your legs extended and your arms overhead.
2
Engage your core and lift your legs and upper body simultaneously, reaching your hands towards your toes.
3
Pause for a moment at the top, then slowly lower your legs and upper body back down to the starting position.
4
Repeat for the desired number of repetitions.
Secondary Muscles
hip flexors
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