Online Sit-Up Counter & Ab Tracker
Free online sit-up counter and ab workout tracker. Uses your phone camera to count sit-up reps and check core form automatically. No signup required.
Instructions
- Lie on your back with knees bent and feet flat on the floor.
- Place your hands lightly behind your ears or crossed over your chest.
- Engage your abdominal muscles to lift your upper body off the floor until your chest approaches your knees.
- Lower back down under control as the AI automatically logs every completed rep.
Common Mistakes
- Pulling on your neck with your hands
- Using arm momentum to swing yourself up
- Incomplete range of motion (not sitting up fully)
Benefits
- Automatic Camera Rep Counting
- Military & Fitness Test Preparation
- Core & Abdominal Endurance
Biomechanical Form Guide
Fitness & AI Biomechanics Guides Hub - Comprehensive educational guides on exercise biomechanics, 3D computer vision pose estimation, injury prevention, and progressive overload strength training.
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