45 degree Bycicle Twisting Crunch

Perform the 45 degree bicycle twisting crunch to engage your core and obliques effectively.

  1. Lie on your back with your knees bent at a 45-degree angle.
  2. Place your hands behind your head and lift your shoulder blades off the ground.
  3. Twist your torso to bring your right elbow towards your left knee while extending your right leg.
  4. Switch sides, bringing your left elbow towards your right knee.
  5. Continue alternating sides in a controlled manner.

How to perform the 45 degree Bycicle Twisting Crunch

  1. Set up. Set up in a stable, balanced starting position appropriate for the 45 degree Bycicle Twisting Crunch using your body weight.
  2. Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your glutes.
  3. Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.

Coaching cues

  • Move with intent — every rep should feel deliberate, not rushed.
  • Drive force through your glutes rather than momentum.
  • Keep your breathing steady: exhale on the hard part, inhale on the reset.

Common mistakes

  • Using too much weight and losing positional control.
  • Cutting the range of motion short and missing the target muscle.
  • Letting your spine round or hyperextend instead of staying neutral.

Detailed cues, common mistakes, and demonstration video are available in the Fitly app.

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