Half Jackknife
Exercise info
| Primary muscles |  Abs |
|---|---|
| Secondary muscles | Quads · Obliques |
| Equipment |  Bodyweight |
| Movement pattern | Core |
| Rep range | 12–20 reps (one side at a time) |
36 similar exercises
Representative exercise: Half Jackknife
- Starfish Crunch (beginner) without mat
- Single Starfish Crunch
- V-Up
- Jackknife
- Bicycle V-Up
- Pilates Teaser
- Suitcase Crunch
- Jackknife Floor
- Jackknife Sit-Up
- Jack Split Crunch
- Leg-Up Crunch Bottle Pass
- Bodyweight Lying Oblique V-Up
- Flexion Leg Sit-up (Straight Arm)
- V-Up with Clap
- Alternating Leg V Up
- Jackknife Sit-Up (Demo 2)
- Jackknife Sit-Up (Demo 3)
- Medicine Ball Alternating V-Up
- Weighted V-Up Passes with Pad
- Seated Straight Leg Crunch on Chair
- Dumbbell Alternate V-Up
- Dumbbell Single Arm Starfish Crunch (Beginner)
- Band Jackknife Sit-up (Demo 2)
- Stability Ball V-Up Pass
- Atomic Sit-Up
- V-Sit Toe Tap
- Dumbbell V-up
- Dumbbell Lying Oblique V-up
- Band v-up
- Band Jackknife Sit-Up
- Weighted Plate Jackknife Sit Up
- EZ Barbell Legs Side Pull In Sit-up
- Dumbbell V-up (VERSION 2)
- Dumbbell V-up (VERSION 3)
- Band v-up (Demo 2)
- Weighted V-Crunch (on bosu ball)
Related exercises
Decline Sit-UpHarder3/4 Sit-UpHarderResistance Band Lying Leg RaiseSimilar exerciseAb Machine CrunchSimilar exerciseStability Ball RolloutSimilar exerciseDumbbell Renegade RowSame muscle · different equipmentRing Mountain ClimberSame muscle · different equipmentHanging DeadbugSame muscle · different equipmentMedicine Ball Mountain ClimberSame 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.