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Fix backward-bending joints in the five legacy motions

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Abdominal's pinned hands used elbow -40 as the IK plane hint, drawing
the arms hyperextended (user-reported). Flipping the hint bends the
elbows the natural way while the hands stay on the handles. Same class
of fix for the milder cases: Arm Curl and Shoulder Press elbows and
Calfs knees clamp to -8, Side Plank's raised arm to the -70 ROM cap.
The whole library now passes render.py --strict with zero warnings,
making it a valid verification gate. Fixtures regenerated; 48 tests
green.

Claude-Session: https://claude.ai/code/session_01HJDQQDA9QdP8zByg43H5v3
This commit is contained in:
rzen
2026-07-07 13:06:18 -04:00
parent 7c241ec44c
commit bb234c198f
22 changed files with 172 additions and 53 deletions
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Exercise Library/Shoulder Press/frames/frame-2.svg
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Side by Side Swipe Overlay

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