The transcript doesn't specify exact set and rep numbers for each exercise. The workout structure is described as: 20 seconds isotonic reps, 20 seconds isometric hold, 20 seconds isotonic reps, then 30 seconds rest, repeated. However, the total number of repetitions of each exercise within this 20/20/20/30 second structure is not explicitly stated.
This video presents a comprehensive arm workout using dumbbells, designed for home use. The workout emphasizes building bigger biceps (with a calorie surplus) or leaner, defined arms (with calorie restriction). The routine incorporates 20 seconds of isotonic reps, 20 seconds of isometric holds, and another 20 seconds of isotonic reps for each set, followed by a 30-second rest.