Keep the camera and all muscle fibers completely fixed. The needle moves slowly and directly toward the center of the red trigger point. The sharp needle tip physically penetrates the surface of the muscle exactly at the center of the red trigger point and enters slightly deeper into the muscle tissue. Show clear realistic penetration: the needle tip passes through the surface and becomes partially embedded inside the muscle fibers. The muscle fibers remain stationary and deform only very slightly around the needle entry point. The red trigger point stays completely fixed in exactly the same location. Do not move the red trigger point. Do not slide the needle across the muscle. Do not move the muscle fibers. Do not move the camera. Do not bend or deform the needle. Do not create a new needle. Do not dissolve the needle. Do not move the blue glow. ONLY ONE ACTION: the needle advances forward and penetrates the muscle exactly through the center of the fixed red trigger point.
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