GymFormGhost: Exercise Form Drift Detector
AI video analysis that flags when your exercise form degrades during a workout set, alerting you in real-time before injury happens
The Problem
Lifters and athletes lose form as they fatigue, dramatically increasing injury risk and reducing workout effectiveness. Most people can't afford a personal trainer and phone-based form checkers require manual angle inputs. Existing form-check apps are either too clunky (requiring setup) or too expensive (AI coaching apps at $20+/mo).
Target Audience
Home gym users and commercial gym members aged 18-45 who lift weights seriously but work out solo or without coaching
Why Now?
Mobile AI inference is now fast enough for real-time pose detection; Cursor/Lovable make the UI/UX iteration loop 10x faster; fitness app monetization matured past hype
What's Missing
Existing form checkers require gym setup (mirrors, cables) or manual calibration; no app detects *mid-workout form decay* specifically. Most focus on one-rep-max lifts, not fatigue drift across 8-12 reps
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