Muscle-map app highlights chest and back groups on a skeleton
972 views·20 likes·2 saves·Posted 24 Sept 2026 · 0:36 · Interactive
Our note
A screen recording of a web app the author built with Opus 5.5 to learn which muscles each gym exercise targets, highlighting pectorals, lats and trapezius in red and yellow on a 3D skeleton.
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opus5.5好用 剛好來了解一下重訓的肌肉發力是哪些肌群
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