In the video, a man is seen kneeling down next to a brown dog. He is wearing a blue shirt and glasses. The man is petting the dog's back and talking about the dog's muscles. The dog appears to be calm and relaxed as the man continues to pet him. The man's actions suggest that he is knowledgeable about the dog's anatomy and is explaining it to the viewer. The video seems to be taken in a casual setting, possibly a home or a pet store. The lighting is bright, and the background is blurred, focusing the viewer's attention on the man and the dog.