symetrical muscular arm, realistic proportions

watermark, signature, username, text, (worst quality, low quality, normal quality), badhandv4, (missing hands, missing legs, missing finger), (extra hands, extra legs, extra finger), (bad hands, bad legs, bad finger), simple background, greyscale, monochrome, cropped, duplicate, mutilated, poorly drawn hands, poorly drawn face, malformed limbs, extra limbs, EasynegativeV2, ng_deepnegative_v1_75t,(pencils:1.5)