The document describes the anatomy of a cat's arm, leg, and chest. It includes labeled diagrams identifying muscles such as the triceps brachii, latissimus dorsi, gluteus medius, gracilis, gastrocnemius, and biceps femoris. Additional muscles highlighted are the levator scapulae ventralis, acromiodeltoid, spinodeltoid, acromiotrapezius, spinotrapezius, tensor fascaelatae, and sartorius.