People who are already used to exercising regularly can demand higher challenges such as high-intensity exercises that involve disciplines such as CrossFit or full body circuit workout at home, which are strengthening exercises that last a few minutes but are repeated several times.
On fitwithvlad's channel, there are videos to alternate these workouts: "high-intensity training for men", "15 Minute Home Workout Without Weights “are some of the video titles that he performs at home.