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Description
Figure-Four Crunch is an abdominal exercise performed by crossing one leg over the opposite knee. This position allows both the rectus abdominis and oblique muscles to be worked simultaneously. The crossed leg position removes hip flexors from the equation, isolating the abdominal muscles more effectively. It is an effective movement for shaping the abdominal region and supporting lower back health. Especially ideal for intermediate and advanced athletes. Controlled execution of the movement is crucial for joint health.
Step-by-Step Instructions
- 1
Lie on your back, bend your left knee and place your left foot flat on the floor
- 2
Place your right ankle on your left knee to form a figure-four shape
- 3
Place your hands behind your head but don't pull your neck
- 4
Exhale and lift your upper body, directing your left elbow toward your right knee
- 5
Squeeze your abdominal muscles and hold for one second, then lower in a controlled manner
- 6
After completing the designated repetitions, switch leg positions to work the other side
Key Points
- ✓Place one leg over the other in a figure-four position
- ✓Hands behind head, elbows should be kept open
- ✓Rotate toward the opposite knee with the opposite elbow
- ✓Feel maximum contraction in your abdominal muscles with each repetition
Common Mistakes
- ✗Moving only with the elbow - lacks torso rotation
- ✗Changing foot placement - creates imbalance
- ✗Pulling neck with hands - creates tension in neck muscles
- ✗Moving too quickly - oblique muscles are not sufficiently worked
Breathing
Exhale as you rotate and lift your torso, inhale as you return to starting position.
Muscle Activation
Safety
Precautions
- Those with hip joint problems should be careful
- Those with knee injuries should adjust leg position
- Those with lower back pain should protect their back during movement
- Leg position may cause discomfort in pregnant individuals
Safety Tips
- Adjust leg position comfortably, don't force it
- Perform the movement exhaling up, inhaling down
- Keep your neck relaxed, use your hands only for support
- Lift up by engaging your abs, not by pulling with your neck
Frequently Asked Questions
Which muscles does Figure-Four Crunch work?
Figure-Four Crunch primarily works these muscles: Abdominals. It also engages: Hip flexors, Obliques.
Is Figure-Four Crunch suitable for beginners?
Figure-Four Crunch is a Beginner level exercise. Learning difficulty: Easy.
Can Figure-Four Crunch be done at home?
Yes, Figure-Four Crunch can easily be done at home.
What are common mistakes when doing Figure-Four Crunch?
One of the most common mistakes: Moving only with the elbow - lacks torso rotation
How many sets and reps for Figure-Four Crunch?
Recommended: 3-4 sets and 10-15 reps.
Exercise Information
Equipment
Primary Muscles
Secondary Muscles
Benefits
- ✓Develops upper abdominal muscles by targeting them
- ✓Increases hip flexibility
- ✓Provides muscle definition in the core region
- ✓Secondarily works the oblique muscles