Athletic Feminine Body Performing A Controlled Flex Pose

athletic feminine body performing a controlled flex pose. Expression: calm, focused, effortless power. Set in a minimal indoor studio or clean gym space, radiating a focused, intense, professional atmosphere. Lighting setup: cinematic studio lighting type, quality: high contrast with soft falloff, direction: side and rim lighting to sculpt muscles. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.