The action of pressing your thumb (the fat yet short finger on the end) against any other finger is called opposition.
pre- opposition
That is the correct spelling of "thumb."
Rules of thumb
Oppose is the base of the word opposition.
In a Parliamentary system, the Official Opposition is the second largest party in Parliament.
Opposition occurs in the hands and fingers, specifically at the carpometacarpal joint of the thumb. It refers to the movement of bringing the thumb across the palm to touch the tips of the fingers on the same hand.
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The thumb is the only structure in the body having a saddle joint.
The muscles responsible for opposition movement of the thumb are the opponens pollicis and the abductor pollicis brevis. These muscles help bring the tip of the thumb in contact with the tips of the other fingers.
Opposition.
Saddle joints allow opposition, which is the movement of the thumb across the palm to touch the tips of the fingers on the same hand. This type of joint provides a wide range of motion and enables fine motor skills in the hand.
The ability of the thumb to cross the palm is called opposition. This unique movement allows the thumb to touch the other fingers of the hand, enabling a strong grip and dexterous movements.
Opposition is the action that allows the thumb to touch the tips of other fingers. It involves moving the thumb across the palm to meet the fingertips of the other fingers.
Opposition is a special action of the hand, whereby the thumb and little finger are brought around to touch the fingertips. This action occurs at the joints between the carpal bones and the metacarpals of the thumb and little finger.
The mound at the base of the thumb is called the "thenar eminence." It is composed of a group of muscles that facilitate thumb movement, including opposition, flexion, and abduction. This anatomical feature plays a crucial role in grip and fine motor skills involving the thumb.
An example of a saddle joint in a human is the thumb joint, specifically the carpometacarpal joint of the thumb. This joint allows for a wide range of motion, enabling actions such as opposition and rotation of the thumb.
The pinching motion with the thumb and forefinger is known as opposition. This movement allows for grasping and manipulation of objects with precision and dexterity.