Twisting Crunch

Instructions

1
Lie flat on your back with knees bent and feet flat on the floor, hip-width apart. Place feet firmly on the ground approximately 12 inches from your buttocks. Keep your spine neutral against the floor.
2
Position hands behind your head with fingers lightly supporting the base of the skull, elbows pointing outward. Do not interlock fingers. Alternatively, cross arms over chest. Engage your core and take a deep breath.
3
Slowly lower your torso back toward the floor, maintaining a neutral cervical spine. Allow the abdominal muscles to lengthen as you return to the starting position. Keep feet grounded throughout the eccentric phase. Exhale during this lowering phase.
4
Contract your abdominal muscles and curl your upper torso forward, lifting shoulders off the ground toward the knees. Flex at the waist, bringing chest closer to thighs. Pause briefly at the top of the movement, then return to starting position in a controlled manner.
PRIMARY MUSCLESRectus Abdominis
SECONDARY MUSCLESObliquus Externus, Obliquus Internus, Transversus Abdominis, Iliopsoas
EQUIPMENTBody weight
DIFFICULTYBeginner

Overview

If you want to isolate and overload the Rectus Abdominis, the Twisting Crunch is an excellent addition to your routine. The mechanics of this Strength exercise specifically bias the Waist, while the use of Body weight allows for a smooth, natural resistance curve.

Benefits

  • Acts as a highly scalable Strength movement, perfect for both beginners and elite athletes.
  • Promotes balanced muscular development by effectively recruiting the Rectus Abdominis and associated synergists.
  • Significantly enhances the structural integrity and power of the Rectus Abdominis.
  • Allows for a natural movement path that closely mimics functional daily activities.

Common Mistakes

  • Rushing the repetition tempo instead of focusing on the mind-muscle connection with the Waist.
  • Using excessive momentum to swing the Body weight rather than controlling the eccentric phase.
  • Shrugging the shoulders or compensating with secondary muscles rather than isolating the Rectus Abdominis.
  • Failing to achieve a full range of motion, which drastically limits Rectus Abdominis engagement.

Muscle Anatomy

The primary driver is the Rectus Abdominis. However, the movement also recruits Obliquus Externus, Obliquus Internus, Transversus Abdominis, Iliopsoas to maintain control of the Body weight.

Exercise Variations

  • Dumbbell Twisting Crunch
  • Cable Twisting Crunch
  • Banded Twisting Crunch

Frequently Asked Questions