In And Out Abs Exercise Guide
Reviewed by
Valerie Zeller
Printable version
In And Out Abs is a bodyweight exercise that works your abs, quadriceps, hip flexors, lower abs and upper abs.
In And Out Abs is a great challenging move. When done correctly, it can effectively target your core, hips, legs, lower body, thighs, upper legs and waist.
It requires no equipment to do.

How to do In And Out Abs
Exercise
In a V-like sitting position, extend your legs out and back in towards your chest Keep your hands beside your hips or try putting them in the air in a 'touch down' or wide arm position.
Illustrated Guide
Learn how to do in and out abs from this step-by-step illustrations:


Muscles Worked
The muscles used for in and out abs may change slightly based on the your trained range of motion and technique, but in the most general case, the muscles used for in and out abs are:
Primary Muscles
- Abs
- Quadriceps
- Hip Flexors
- Lower Abs
- Upper Abs
Synergyst Muscles
- Splenius
Frequently Asked Questions
Training, Progressions and Regressions
Interested in how to improve your In And Out Abs faster?
In And Out Abs Training and Progressions
Standards and Averages
Wonder how do others perform in In And Out Abs and how should you?
In And Out Abs Standards and Averages
Alternatives
Wonder how to work the same muscles with other exercises?
Variations
Wonder how to make In And Out Abs either easier or more challenging?
Discover more
Classification
Type(s) | Bodyweight, Calisthenic, Strength |
Muscles Worked | Abdominals, Quadriceps, Hip Flexors, Lower Abdominals, Splenius, Upper Abdominals |
Difficulty Level(s) | Challenging, Hard |
Equipment | No Equipment |
Location | At Gym, At Home, Outdoor |
Muscles Worked
Target muscle(s) | Abs, Quadriceps, Hip Flexors, Lower Abs, Upper Abs |
Synergyst muscle(s) | Splenius |