Search results
Results from the WOW.Com Content Network
A nail is a protective plate characteristically found at the tip of the digits (fingers and toes) of all primates, corresponding to the claws in other tetrapod animals. Fingernails and toenails are made of a tough rigid protein called alpha-keratin, a polymer also found in the claws, hooves and horns of vertebrates.
Fine motor skills are skills that involve a refined use of the small muscles controlling the hand, fingers, and thumb. The development of these skills allows one to be able to complete tasks such as writing, drawing, and buttoning. According to the results of a study conducted in the USA assessing the difference in foundational motor skills ...
Fine motor skill. Fine motor skill (or dexterity) is the coordination of small muscles in movement with the eyes, hands and fingers. The complex levels of manual dexterity that humans exhibit can be related to the nervous system. Fine motor skills aid in the growth of intelligence and develop continuously throughout the stages of human development.
Knurling produces indentations on a part of a workpiece, allowing hands or fingers to get a better grip on the knurled object than would be provided by the original smooth surface. Occasionally, the knurled pattern is a series of straight ridges or a helix of "straight" ridges rather than the more-usual criss-cross pattern.
The EDT measures the ability of the subject to draw vertical lines, with both the left and right hands. To compare performance between gross arm movements and fine finger control, the subjects draw lines holding either the tablet's pen (held by the fingers) or a mouse (held by the whole hand). The latter movements do not include finger movements.
The precision grip is when the intermediate and distal phalanges ("fingertips") and the thumb press against each other. Examples of a precision grip are writing with a pencil, opening a jar with the fingertips alone, and gripping a ball (only if the ball is not tight against the palm). Thumb and index finger during pad-to-pad precision grasping ...
Bow draw. A bow draw in archery is the method or technique of pulling back the bowstring [1] to store energy for the bow to shoot an arrow. The most common method [citation needed] in modern target archery is the Mediterranean draw, which has long been the usual method in European archery. Other methods include the pinch draw and the Mongolian ...
As a salute, the fingertips touch the brow of the head. As a sign the hand is held at shoulder height. The term "three-finger salute" is also applied in a joking way to the finger. Thumbs Up and Thumbs Down are common gestures of approval or disapproval made by extending the thumb upward or downward.