When your palms are facing you that is a chin up, when your palms are not facing you, I.E your knuckles are facing you this is a pull up, so this video is of you doing "Chin Up's", hence why you are pulling you self up to your chin on the video instead of putting your hands in a wide spread form ...
When your palms are facing you that is a chin up, when your palms are not facing you, I.E your knuckles are facing you this is a pull up, so this video is of you doing "Chin Up's", hence why you are pulling you self up to your chin on the video instead of putting your hands in a wide spread form ...