The video shows a man lying on his back on a bench in a gym. He is lifting a dumbbell above his head with both hands. The man is wearing black shorts and has a beard. The gym is equipped with various exercise machines and weights. The man is performing a weightlifting exercise, specifically a dumbbell fly, which is a compound exercise that targets the chest, shoulders, and triceps muscles. The dumbbell fly is a popular exercise for building muscle and improving overall strength. The man is using a single dumbbell, which suggests that he is targeting one side of his body at a time. The exercise is performed by lifting the dumbbell from the sides of the body to above the head while keeping the elbows bent at a 90-degree angle. The man is wearing headphones, which may indicate that he is listening to music or an audio guide while working out. The gym appears to be well-lit and spacious, with a black floor and red and black equipment. The man's form is good, and he seems to be exerting effort as he lifts the dumbbell.