# V406 Reverse Lunges

- Base: visually accepted V405.
- User film `(8).mov` identified as Dynamic Warm Up · 07 · Reverse lunges.
- Geometry authority: locked `warmup_reverse_lunge_ik_v1` canonical keyposes.
- Film authority: timing/phase only; complete alternating cycle trimmed to 5.2 s from 5.645 s source.
- 720 baked frames; 0 live solver calls; no new IK profile; no new solver.
- Actual Nex FBX CPU two-loop QA rendered. Human visual acceptance pending.