realistic human arm 3d model

ultra-realistic human arm from shoulder to fingertips, first-person perspective view, AAA game character asset, natural lean male arm, healthy slim build with subtle muscle definition (lightly visible biceps, triceps, and forearm muscles but not bulky), realistic anatomy proportions, relaxed posture, arm extended forward as in first-person shooter view, natural skin with visible pores and fine micro-details, subsurface scattering, subtle veins but not exaggerated, realistic skin tone variation, slight imperfections in skin, clean fingernails with natural shape, physically based rendering (PBR), cinematic studio lighting, Unreal Engine 5 quality asset, ray traced global illumination, photorealistic, 8k texture detail, scanned human arm reference look, neutral background, game-ready model, high fidelity realism, natural joints and tendons, no exaggeration in muscle size