Floor Crunch

The basic crunch trains the rectus abdominis through a short, controlled range.

• Isolation
• Bodyweight
• Beginner

How to do it

• Lying down, hands on your chest or temples
• Curl your shoulders towards your pelvis
• Lower under control without fully resting down

Sets, reps and tempo

Ranges: 8–15 reps or 20–45 s under tension · 1–2 RIR

Tempo: Slow, controlled movement; no momentum and no bouncing

Common mistakes

• Pulling on your neck with your hands
• Using momentum to lift

Muscles worked

Primary

• Core / abs

Alternatives

• Machine Ab Crunch
• Cable Crunch (weighted abs)