Upload a pitch. See what we find.
Film your pitcher following the guide below, upload the video, and get a frame-by-frame mechanics screening powered by AI pose estimation.
Upload your video
First time? See the filming directions below ↓
Drag and drop your video here
or tap to select from camera roll
.MOV, .MP4 · up to 500MB
Better video = better analysis
Follow these tips and we can track joints, angles, and patterns the eye can't catch in real time.
1. Phone settings
- +Switch to Slo-Mo · iPhone: swipe to SLO-MO in Camera app
- +120fps minimum · 240fps is even better if available
- +Hold landscape · Turn your phone sideways
Why Slo-Mo?
A normal pitch takes less than a second. At 30fps, we only get ~20 frames to analyze the entire delivery. At 240fps, we get ~160 frames. Enough to catch arm lag, hip-shoulder separation, release point, and deceleration patterns that happen in milliseconds.
30fps
~20 frames
Blurry arm action
240fps
~160 frames
Crystal clear
2. Where to stand
About 15 feet from the mound, waist height. The throwing-arm side gives us the best view of arm action and release point.
3. What each angle captures
Full arm action, release point, hip-shoulder separation, follow-through. This is what biomechanics labs use.
Lead leg, glove-side mechanics, trunk rotation. Good secondary angle for a complete picture.
Stride line and trunk tilt visible, but arm action partially hidden. Use if side angles aren't possible.
Arms and legs overlap. Most joints hidden. We can't track what we can't see.
Quick checklist before you hit record