Abdominal Crunches

Abdominal Crunches

Type: Isolation Muscle: Core Equipment: None

A fundamental core exercise that targets the abs.

See all exercises

This exercise targets:

Core
Abs
Obliques

Ratios are approximate and can vary depending on form and technique.

How to perform

  1. Lie on your back, knees bent, feet flat hip-width
  2. Hands lightly behind ears or crossed on chest
  3. Brace your core and press your lower back into the floor
  4. Exhale as you curl shoulders and upper back off the floor; think ribs to pelvis
  5. Keep chin slightly tucked, eyes up; don’t pull on your neck
  6. Pause and squeeze your abs at the top
  7. Lower slowly with control, keeping your low back engaged
  8. Small range is fine; aim for quality reps (e.g., 10–20)