If I'm not mistaken I believe that for this movement to happen there are two muscles that need to be used- because muscles work in pairs.
For this particular movement I am sure that the Agonist muscle (prime mover), the muscle that relaxes, is the Bicep.
And the Antagonist, the muscle that contracts, is the Tricep.
maybe it mean someone will have argument with you! .................................................................................................. It means the finger and nose came in contact with Each other.
lexion. It decreased the angle of the joint
When a person's finger touches an object, it creates a tactile sensation that can convey information about the object's texture, temperature, size, and shape. This interaction can evoke feelings of curiosity, connection, or discomfort depending on how the object feels to the person.
muffling
Finger extension
if somebody were to cut my finger and use it to take my cash from an ATM
Just stick your middle finger up at them
Moving one finger independently is challenging because the tendons that control finger movement are interconnected. This means that when you try to move one finger, the tendons of adjacent fingers are also activated, making it difficult to isolate the movement to just one finger. Additionally, the muscles controlling finger movement are often interconnected, further limiting independent movement.
It's an insult like the middle finger.
It is ok it will happens when somebody shocks you
You can ignore it. You choose to be offended or not.
When Helen touches her cheek she wants to feel the sensation of her finger moving across it. She is trying to understand how it feels to be touched even if it is by herself.