Seated Side-to-Side Leg Raise Crunch on Floor

Perform the seated side-to-side leg raise crunch on the floor to engage your core and hip muscles.

  1. Start by sitting on the floor with your legs extended in front of you.
  2. Lean back slightly, keeping your back straight and your hands behind you for support.
  3. Raise one leg to the side while simultaneously crunching your torso towards that leg.
  4. Return to the starting position and repeat on the other side.
  5. Continue alternating sides for the desired number of repetitions.

How to perform the Seated Side-to-Side Leg Raise Crunch on Floor

  1. Set up. Set up in a stable, balanced starting position appropriate for the Seated Side-to-Side Leg Raise Crunch on Floor 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 quadriceps.
  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 quadriceps 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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