(best quality, ultra-detailed, photorealistic:1.37), goku, powerful muscular body, exerting tremendous strength, lifting heavy weights, muscle definition, numerous bulging veins, sweat dripping, training intensity, body in motion, physically demanding, heavier barbells and dumbbells, focus and determination, fitness trainers giving advice, mirrors reflecting goku's progress, vivid colors, studio lighting, weight and power training, stamina and endurance training, dumbbell curls, squatting with a barbell, bench press exercises, fitness equipment, exhaustion and perseverance, workout environment with energetic atmosphere, inspiring music playing in the background.