wide lens close up, A realistic, high-resolution illustration of muscle tissue in a human body. The fibers are depicted with natural, lifelike colors and textures, hydrated appearance. Soft, diffused lighting highlights the muscle structure, giving it a vibrant, healthy look, as though it’s full of life and vitality. The style is professional and anatomically accurate, with a calm, clean, and organic tone, avoiding any robotic or sci-fi elements. The background is neutral.