Oblique Crunches with Straight Leg Lift

Perform oblique crunches with a straight leg lift to target your oblique muscles and improve core strength.

  1. Lie on your back with your legs extended straight and arms behind your head.
  2. Engage your core and lift your shoulder blades off the ground while simultaneously raising one leg straight up.
  3. Twist your torso towards the raised leg, bringing your elbow towards your knee.
  4. Lower back down and repeat on the other side.

How to perform the Oblique Crunches with Straight Leg Lift

  1. Set up. Set up in a stable, balanced starting position appropriate for the Oblique Crunches with Straight Leg Lift 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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Variations of Oblique Crunches with Straight Leg Lift

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