90 Degrees One Knee Crunch
Expert Advice
Ensure you are contracting your abs fully with each crunch, and avoid pulling on your neck with your hands.
How-to-do Steps
- Lie on your back with your hands behind your head.
- Bend your knees to 90 degrees, lifting your feet off the ground.
- Crunch up by lifting your shoulders off the floor and bringing your right elbow towards your left knee, while your right leg remains in the air.
- Return to the starting position and repeat on the opposite side.
- Continue alternating sides for the desired number of repetitions.
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Muscles Worked
90 Degrees One Knee Crunch primarily targets the Abs, with Strength mechanics using Body Weight. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary
Abs100%
Equipment
Body Weight
Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 12-15
Intermediate3 x 10-12
Advanced4 x 8-10
Frequently Asked Questions
What muscles does 90 Degrees One Knee Crunch work?
90 Degrees One Knee Crunch primarily targets the Abs. It is classified as a Strength exercise performed with Body Weight.
How many sets and reps should I do for 90 Degrees One Knee Crunch?
For beginners, start with 3 sets of 12-15. Intermediate lifters can do 3 sets of 10-12. Advanced athletes can push to 4 sets of 8-10. Adjust based on your goals and recovery capacity.
Is 90 Degrees One Knee Crunch suitable for beginners?
Yes, 90 Degrees One Knee Crunch is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.
