THROWCHECK
Spot risk earlier. Coach with confidence.
AI biomechanics that turns pitching video into clear risk scores in seconds.
HOW IT WORKS
Upload Video
Record from the side and upload your pitching footage. Side-view angle required for accurate biomechanical analysis.
AI Analysis
Our AI analyzes biomechanics across every frame to calculate joint angles and risk scores in seconds.
Get Your Report
Receive detailed risk scores and actionable insights.
ARM HEALTH INSIGHTS & LONGEVITY
AI-powered biomechanical analysis for every level of the game. Data-driven insights to help evaluate pitcher durability and career longevity.
VIDEO UPLOAD
Upload any pitching video — bullpen sessions, game film, or practice footage. MP4, MOV, and AVI supported up to 100MB.
POSE DETECTION
MediaPipe AI tracks 33 body landmarks across every frame. Shoulder, elbow, and wrist angles calculated from pose estimation data.
ANGLE ANALYSIS
Elbow layback angle during max external rotation. A key biomechanical factor associated with UCL stress and elbow injury patterns.
RISK SCORING
0-100 risk score based on biomechanical thresholds from peer-reviewed research. Clear, actionable numbers for decision-making.
FLAG DETECTION
Automatic identification of high-risk movement patterns: excessive elbow valgus, shoulder layback, hip-shoulder separation, trunk tilt, and more.
PRIVACY FIRST
Video never leaves your browser. All analysis runs locally via WebAssembly. No uploads, no cloud storage, no third-party access.
SEE WHAT YOU GET
Every analysis delivers a detailed AI-powered biomechanical report. Here's what you receive with each assessment.
Sample Analysis: Marcus Rivera, Demo
Biomechanical Flags
Recommendation
Monitor elbow valgus stress during high-workload periods. Consider targeted UCL-strengthening exercises and core stability work to reduce trunk lateral tilt at release.
TRY IT FREE
Upload pitching footage below for an instant biomechanical risk assessment.
No video? No problem.
For best results:
- • Film from the side (perpendicular to pitch)
- • Good lighting, minimal shadows
- • Full body visible in frame
- • At least one complete pitch
GET YOUR FREE ANALYSIS
Drop video here or click to browse
Your video never leaves your browser. Analysis runs 100% locally.
BUILT FOR
ThrowCheck serves everyone responsible for a pitcher's health and career.
For coaches who want to protect their pitchers with more than gut instinct.
- ✦Track arm health across every pitcher on your roster
- ✦Make pitch count and rest decisions backed by data
- ✦Identify mechanical risk patterns associated with injury in research
For parents managing multi-team workloads and navigating coach pressure.
- ✦Monitor biomechanical risk across teams and leagues
- ✦See biomechanical risk factors identified in research
- ✦Advocate for rest with data, not just concern
For athletic trainers who need hard data to support their professional judgment.
- ✦Supplement evaluations with objective movement data
- ✦Back clinical calls with objective movement data
- ✦Build consistent injury prevention protocols
For directors who need scalable arm health management across multiple rosters.
- ✦Standardize pitcher evaluation across all your teams
- ✦Document mechanics assessments across your organization
- ✦Show families your program prioritizes athlete longevity
CHOOSE YOUR PLAN
Start free, then upgrade when you need unlimited reports and exports.
View Full Pricing Details →SCOUT
Start with the basics
- ✦1 free analysis
- ✦Basic risk scoring
- ✦Elbow angle detection
- ✦Standard processing
- ✦Community support
PRO
For coaches, programs, and analysts
- ✦Unlimited analyses
- ✦Full biomechanical breakdown
- ✦Historical tracking
- ✦PDF report export
- ✦JSON data export
- ✦Email support
ENTERPRISE
For teams and organizations
- ✦Everything in Pro
- ✦Multi-athlete management
- ✦Bulk video analysis
- ✦Exportable team reports (PDF)
- ✦Custom report branding
- ✦Priority support
- ✦Dedicated account manager
FREQUENTLY ASKED QUESTIONS
Everything you need to know about ThrowCheck.
Our biomechanical models analyze pitcher mechanics using pose estimation technology and compare measurements against published sports medicine research thresholds. While no analysis system is perfect, our risk assessments provide data-driven insights based on peer-reviewed biomechanical studies that complement traditional scouting evaluation.
No. ThrowCheck is an informational and analytical tool only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.
Yes. Cancel anytime through your account dashboard. No contracts, no cancellation fees. Your access continues through the end of your billing period.
We analyze your uploaded pitching video using AI pose detection (Google MediaPipe) to measure joint angles, body positioning, and movement timing. Risk scores are based on biomechanical thresholds from peer-reviewed sports medicine research.
Coaches evaluating pitcher mechanics. Parents monitoring their young pitcher's arm health. Athletic trainers looking for supplemental screening data. Anyone who wants biomechanical insight into pitching form.
Most analytics tools focus on performance stats like ERA and spin rate. ThrowCheck focuses on biomechanical form — analyzing body mechanics from video to flag movement patterns associated with injury risk in research literature.
WHY THROWCHECK?
Professional-grade analysis at a fraction of the cost. See how we compare.
Price
Injury Risk Analysis
Any Pitcher (Side-View Video)
AI-Powered
Unlimited Analyses
Team Reports
Instant Results
Privacy-First (Local Processing)
READY TO GET STARTED?
Go from raw video to a clear arm-risk report in minutes. Start free, then upgrade only if you need unlimited analyses.
New features and improved analysis added regularly.