Crunch Floor
Instructions
- Lie on the floor with your knees bent and your feet slightly in front of your glutes
- Place your hands behind your head
- Flex your torso by contracting your abdomen and return in a controlled manner
Tips
- Avoid performing the movement only with your neck; use your torso flexion
- Keep your feet fixed on the ground
- Avoid jerks and sudden movements
Target Muscle
Primary