In the video, a man is seen lying on his back on a mat in a gym, holding a dumbbell in each hand. He then proceeds to perform sit-ups while holding the dumbbells, lifting his upper body off the mat. The man appears to be focused and determined as he continues to perform the exercise. The gym is well-lit and spacious, with other exercise equipment visible in the background. The man is wearing a gray t-shirt and black shorts, and his shoes are bright green. The dumbbells are black and appear to be of moderate weight. The man's form is good, and he maintains proper posture throughout the exercise.