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Crunch

Classic abdominal exercise that targets the rectus abdominis effectively

Core & AbsBeginnerStrengthFlexion

At a glance

Muscles workedPrimary: Abs
Muscle groupCore & Abs
DifficultyBeginner
TypeStrength · Flexion
Sets & reps3 sets × 15-20 reps
Estimated calories burned~35 kcal

How to do it

  1. Step 1: Lie on back with knees bent
  2. Step 2: Hands behind head or across chest
  3. Step 3: Lift shoulders off floor contracting abs
  4. Step 4: Squeeze at the top
  5. Step 5: Lower with control and repeat

Equipment

Coaching tips

Benefits

Classic abdominal exercise that targets the rectus abdominis effectively

Common mistakes

Pulling on the head or using momentum

Make it harder

Add weight or slow the lowering phase

Make it easier

Shorter range of motion

Breathing

Exhale crunching up, inhale lowering

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General fitness and nutrition information, not medical advice. Check with a qualified professional before starting a new exercise or diet plan, especially if you have an injury or health condition.