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THE ACTIONS AND INACTIONS. |
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VIII. Freedom of the Wrist and Hand horizontally— —isolation of the muscnlar act that moves the hand to one side laterally, from the act that moves it in the opposite direction ; required to assist the thumb in turning- under, and the fingers in turning over.1
IX. Ability accurately to time the cessation of the doion-exer-tion of the Finger, employed during key-descent—
—ability to " aim " this exertion, so that it may culminate and cease at the moment of sound emission.2
X. Ability accurately to time the cessation of the down-exertion, of the Hand, employed during key-descent—
—ability to aim the hand-exertion, so that it may also be directed by the ear, like that of the finger.3
XI. Ability accurately to time the cessation of Weight, em-ployed to produce tone—
—ability to time the application of any Arm-weight employed for the creation of key -descent, so that it may culminate and cease at the moment of sound emission.4
XII. Freedom in the movements required of the Finger, the Hand, the Fore-arm and the Upper-arm in bringing t/te fingertips into place over their required notes, antecedent to the act of key-depression—
—freedom in the lateral, or side-to-side movements : (a) of the Fingers and Thumb, (b) of the Hand, (c) of the Fore-arm, with the elbow as a pivot, and (d) of the Elbow and Upper-arm itself.5
'§84.
1 §§ 24 and 28, tide also " The Added Impetus" last chapter.
* § 24, vide The Added Impetus, last chapter.
* A cessation that must be caused, by the arm-supporting muscles acting In strict response to the timed cessation of the up-bearing action of the finger and hand aeainst the arm at the wrist, during the act of key •depression.*
* §§ 24 37. 38. and 39.
* § 24 iind liiht Chapter.
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