This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Muscleup. User Extremepullup performing muscleup variant on the standard pullup en Extremistpullup en Extremistpullup original upload log page en Muscleup Extremistpullup bytes no Pullups Animated Fitness animations Bodyweight exercises
Page 2023 Free-images.com. All images are Public Domain