Knee In and Out Crunch
Exercise info
| Primary muscles |  Abs |
|---|---|
| Secondary muscles | Obliques |
| Equipment |  Bodyweight |
| Movement pattern | Core |
| Rep range | 15–25 reps |
30 similar exercises
Representative exercise: Ab Machine Crunch
- Ab Machine Crunch
- Hip Crunch
- Frog Crunch
- Groin Crunch
- Long Arm Crunch
- Negative Crunch
- Leg Climb Crunch
- Crunch Heel Touch
- Knee Touch Crunch
- Crunch (Straight Leg Up)
- Frog Crunch Feet Together
- Tabletop Reach and Crunch
- Starfish Crunch (Beginner)
- Crunch (arms straight) (side POV)
- Alternate Frog Crunch
- Alternate Leg Reach Crunch
- Bent Knee Abduction Crunch with Arms Through
- Air Pillow Crunch
- Sitting Toe Touch
- Bottle Weighted Frog Crunch
- Crunch - Back (Form Comparison)
- Dumbbell Starfish Crunch (Beginner)
- Ab Roller Crunch
- Machine Total Abdominal Crunch
- Stability Ball Crunch (Full Range Hands behind Head)
- 90° Single Knee Crunch
- Crunch Bent Knee against Wall
- Crunch (Legs on Stability Ball)
- Inversion Bench Crunch
- Glute-Ham Developer Crunch
Related exercises
Decline Sit-UpHarder3/4 Sit-UpHarderResistance Band Lying Leg RaiseSimilar exerciseAb Machine CrunchSimilar exerciseStability Ball RolloutSimilar exerciseDumbbell Overhead Sit-upSame muscle · different equipmentMachine Lying CrunchSame muscle · different equipmentBarbell RolloutSame muscle · different equipmentBand Kneeling CrunchSame muscle · different equipment
This information is based on our analysis of public content from evidence-based training experts in Korea and abroad. It is not a substitute for medical advice.
Weights and sets differ from person to person. The GYMKC app uses the sets you log to calculate the weight and reps for your next set.