This isnt really related to any training plan so gen con seemed best place. I see a lot of people use these 2 terms interchangibly and some profess one is done one way and the other is done the other or vice versa. Just looking for opinions as its bugging me lol I dunno if there is an offical distinction. Chin ups - Palms inwards, when your at the top palms should be facing your face. Pull ups - Palms outwards, when your at the top the back of your hand should be facing your body. Thats what I've always thought they were and all my mates thought they were, but dont mind standing corrected if its offically the other way around anyone know?