usually it means "yes" or " i agree"
You are nodding yes.
Nodding of the head typically indicates agreement, understanding, or approval. It is a common nonverbal cue used to show affirmation or acknowledgement during a conversation.
nodding head
Nodding the head is an example of a third-class lever, where the effort is applied between the fulcrum (neck joint) and the resistance (head).
By nodding their head
If the person is shaking their head left to right it means "no" or it means they are shocked; however, if they are nodding their head up and down they mean yes
Nodding your head
usually it means "yes" or " i agree"
Greece is a country that a nod of the head means "no" insted of "yes" like it does in the United States.
nodding your head to show agreement
Yes, both nodding the head yes and shaking the head no involve movement at the same joint of the neck, which is the cervical spine. The difference lies in the direction and range of motion of the movement that is performed.