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吉他演奏高效率肌肉運(yùn)動(dòng)的原則
左右手運(yùn)動(dòng)原則
肌肉的對(duì)正: 肌肉運(yùn)動(dòng)只有在肌肉自然的與其關(guān)節(jié)對(duì)正時(shí)(不扭曲), 效率****, 自然的對(duì)正(Natural alignment)使得控制背部,手睕,手的肌肉得到最直接的收縮.
關(guān)節(jié)Midrange[2]伸展?fàn)顟B(tài): 肌肉運(yùn)動(dòng)只有在其所控制的關(guān)節(jié)在Midrange之間操作時(shí)效率****, Midrange位置與運(yùn)動(dòng)可提供肌肉伸縮最好的槓桿效果.
一致的關(guān)節(jié)運(yùn)動(dòng)方向: 肌肉運(yùn)動(dòng)只有在手指的三個(gè)關(guān)節(jié)有一致的伸張或收縮時(shí)效率****, 關(guān)節(jié)一致的伸張或收縮簡(jiǎn)化了肌肉運(yùn)動(dòng)協(xié)調(diào)的問(wèn)題.
慣性的后續(xù)動(dòng)作: 肌肉運(yùn)動(dòng)只有在手指有足夠的后續(xù)動(dòng)作而避免累積反效果的肌肉緊張時(shí)效率****, 足夠的后續(xù)動(dòng)作意味當(dāng)一運(yùn)動(dòng)開(kāi)始后, 不克刻意制止此動(dòng)作.[3]
[1]根據(jù)Aeron Shearer: Learning the classic guitar Part I, Mel Bay, 1990, 其原文如下：
[2] Midrange 之解釋請(qǐng)參考Aaron Shearer: Learning the Classic Guitar Part I, p. 31.
[3]解釋請(qǐng)參考Aaron Shearer: Learning the Classic Guitar Part I, p. 122.
Four Principles of Muscle Function 高效率肌肉運(yùn)動(dòng)的四原則
© 1996 Ruey S. Yen, All Rights Reserved
Muscular Alignment: Muscles function most efficiently only when naturally aligned with their base and joint attachments. Natural aligned provides the most direct pull of the muscles that control your back, wrist, and finger joints.
Midrange function of Joints: Muscles function most efficiently only when the joints they control are operated within their midrange of movement. Midrange positioning and movement provides optimum leverage to the muscles involved.
Uniform Direction of Joint Movement: Muscles function most efficiently only when three joints of a finger or the thumb are either flexed or extended together. In contrast to flexing one joint while extending another, simultaneous extension or flexion simplifies coordination of the muscles.
Follow-through: Muscles function most efficiently only when there is sufficient follow-through to avoid a build-up counterproductive tension. Sufficient follow-through means that, once a movement has been initiated, no intentional restraint is applied to the movement.
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