danielle macivor More
Deep Muscles of the Cat | muscle of the cat
Cat anatomy …
Cats Poses References by Eifi--Copper.deviantart.com on @deviantART
Cat Anatomy Muscles 1896 Reprint Ernest Thompson Seton Verso Dog and Wolf…
Canine and feline skeletal structures. Note the joints!
Sydney Padua (of "The Thrilling Adventures of Lovelace & Babbage") offers tips for seeing pose and motion in cats - several teaching pages at the link.
How to draw cats - anatomy by *Yolly-anda on deviantART