GymPlan AISide Jackknife
Side Jackknife is a beginner compound bodyweight exercise that mainly works your abs.
💪 Abs🏋️ Bodyweight📈 Beginner🔗 Compound🎯 3 sets of 8-15 reps
Muscles worked
Primary: Abs
Sets and reps
Do 3 sets of 8-15 controlled reps, stopping 1-2 reps before failure. When you can do 15 easily, slow the tempo or add weight.
Track your side jackknife with GymPlan AI
Log every set in seconds, see your progress on charts, and ask the AI coach to build a plan around your goals and equipment. 7 days free, no card needed.
Start your free trialSide Jackknife alternatives
Exercises that train the same main muscle, including options with other equipment.
CocoonsBodyweight · Beginner
Landmine 180'sBarbell · Beginner
Spell CasterDumbbell · Beginner
Cable Judo FlipCable · Beginner
Kettlebell WindmillKettlebell · Intermediate
Plate TwistOther · IntermediateFAQ
What muscles does the side jackknife work?
It mainly works your abs.
How many sets and reps of side jackknife should I do?
Do 3 sets of 8-15 controlled reps, stopping 1-2 reps before failure. When you can do 15 easily, slow the tempo or add weight.
Is the side jackknife good for beginners?
Yes. It is a beginner-friendly movement: start light and focus on the form steps above.