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OpenCap Weightlifting Analyzer (V2)

Upload OpenCap CSVs → auto-map columns → analyze Snatch, Clean, Jerk. New in V2: Demo data, multi-file reps, rep selector, overlay, technique flags.

1) Upload

OpenCap CSV file(s)

V2 supports multiple CSVs: each file becomes a rep (Rep 1, Rep 2, ...). If you only have one CSV with multiple reps, we’ll do that in V3 via automatic rep segmentation.

2) Lift, Rep, Overlay

Lift

Rep

Overlay mode

Overlay Rep A

Overlay Rep B

Overlay Rep C

3) Column Mapping

Time column (seconds OR normalized %)

If missing, we use row index as “time”.

Knee flexion (Right)

Knee flexion (Left)

Hip flexion (Right)

Hip flexion (Left)

Ankle dorsiflexion (Right)

Ankle dorsiflexion (Left)

Shoulder flexion (Right) (optional)

Shoulder flexion (Left) (optional)

Elbow flexion (Right) (optional)

Elbow flexion (Left) (optional)

4) Options

Use side

Smoothing (moving avg)

V2 flags (starter): early arm bend proxy, overhead stability proxy, asymmetry.

Outputs

Status: Waiting for CSV… Rep: — Detected phases: —

Triple Extension Speed (proxy)

—

Avg |d(hip+knee+ankle)/dt| during power phase

Catch Depth (proxy)

—

Max knee flexion near catch window (snatch/clean)

Technique Flags

—

Starter heuristics (upgradeable)

Jerk Dip–Drive (if Jerk)

—

Dip depth + drive speed proxy

Upload CSV(s) or click Demo, then Analyze + Plot.

Metrics Table

V2 supports multi-file reps. Overlay doesn’t change metrics table; it’s for visual comparison.

Rep	Lift	Power Phase	TES	Catch depth	Dip depth	Drive speed	Knee symmetry	Flags