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INSTRUMENT GRASPS 49
(Fig. 52). A modification of the pen grasp is seen in Fig.
220, where the instrument is held between the balls of the
thumb and first finger.
(2) The Inverted Pen Grasp is similar to the pen grasp
except that the position of the instrument is reversed, so
that the working part points toward, instead of away from,
the hand. This grasp is only used occasionally. Fig. 219
Fig. 53.—The palm and thumb grasp.
shows a modification of the inverted pen grasp. The position
of the second finger is incorrect, as the instrument should lie
against the pulp of the second finger.
(3) The Palm and Thumb Grasp is the grasp of power, and
is accomplished by placing the instrument in a position similar
to the one utilized in whittling a piece of wood, the handle,
resting in the palm of the hand, being grasped by the four fin-
gers, while the thumb rests on some adjoining surface (Fig. 53).
The strength of the thrust is largely influenced by the
(Fig. 52). A modification of the pen grasp is seen in Fig.
220, where the instrument is held between the balls of the
thumb and first finger.
(2) The Inverted Pen Grasp is similar to the pen grasp
except that the position of the instrument is reversed, so
that the working part points toward, instead of away from,
the hand. This grasp is only used occasionally. Fig. 219
Fig. 53.—The palm and thumb grasp.
shows a modification of the inverted pen grasp. The position
of the second finger is incorrect, as the instrument should lie
against the pulp of the second finger.
(3) The Palm and Thumb Grasp is the grasp of power, and
is accomplished by placing the instrument in a position similar
to the one utilized in whittling a piece of wood, the handle,
resting in the palm of the hand, being grasped by the four fin-
gers, while the thumb rests on some adjoining surface (Fig. 53).
The strength of the thrust is largely influenced by the
