Seated Alternate Crunches

enums.exercise_tag.COREenums.exercise_tag.FUNCTIONAL
exercise_detail.body_part: enums.body_part.ABS

exercise_detail.description

Seated Alternate Crunches are an abdominal exercise targeting the rectus abdominis and obliques. This exercise is performed while seated, engaging the core muscles through alternating side crunches.

exercise_detail.how_to_perform

  1. Sit on the floor with your knees bent and feet flat, hip-width apart.
  2. Lean back slightly, keeping your back straight and core engaged.
  3. Place your hands lightly behind your head, elbows wide.
  4. Lift your right knee towards your chest while simultaneously twisting your torso to bring your left elbow towards the right knee.
  5. Return to the starting position and repeat on the opposite side, lifting your left knee and twisting your torso to bring your right elbow towards the left knee.
  6. Continue alternating sides in a controlled manner for the desired number of repetitions.

exercise_detail.what_muscles_work

exercise_detail.primary_muscle:

exercise_detail.tips

  • Maintain a straight back and avoid rounding your shoulders during the exercise.
  • Engage your core throughout the movement to maximize abdominal activation.
  • Focus on controlled movements rather than speed to ensure proper form and effectiveness.
  • Exhale as you twist towards each knee, and inhale as you return to the starting position.
  • Keep your movements smooth and avoid jerking or using momentum.

exercise_detail.common_mistakes

  • Leaning back too far, reducing core engagement.
  • Pulling on the neck instead of using the core muscles.
  • Using momentum instead of controlled movements.
  • Not fully rotating the torso, limiting oblique activation.
  • Lifting the feet off the ground, destabilizing the position.
  • Rushing through repetitions, sacrificing form.
  • Arching the lower back, increasing strain and reducing effectiveness.
  • Failing to engage the core muscles throughout the movement.

exercise_detail.recommended_exercises_intro

exercise_detail.app_ad.title

exercise_detail.app_ad.description

Thread Screen
Login Screen
Search Screen
SmartWorkout transparent logo

SmartWorkout

exercise_detail.app_ad.footer

© 2026 SmartWorkout