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abs anthro balls barbell barbell_squats bicep_curl biceps casual_nudity curls deltoids dinosaur dumbbell exercise flaccid foreskin genitals green_body green_scales grilder_(character)group gym hi_res humanoid_genitalia humanoid_hands humanoid_penis kevindragon male male/male manly muscular muscular_anthro muscular_male nipples non-mammal_balls non-mammal_nipples nude nude_workout pecs penis prehistoric_species pull-up_(exercise)quads reptile saurischian scales scalie squats theropod trio troojhar typhek tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex weightlifting weights workout