肌腱延长术也称部分断腱术或肌腱边缘切开术。系在肌腱或前部肌肉之两侧缘行部分切开，因肌肉本身的收缩力，将切口拉开而使肌肉延长，达到减弱该肌力量的目的。肌腱延长术有多种方法，但较有效及常用的为：①肌腱或前部肌肉两侧交错各剪断肌肉宽度的80%；②肌腱两侧对应各剪断肌肉宽度的40%；③中央部断肌腱宽度的80%；④肌腱两侧L形重迭切开术。此手术的优点为不需眼肌缝线，简单易行。
长屈肌腱延长或合并趾长屈肌腱延长术矫正畸形。
The deformities were corrected by flexor hallucis longus tendolysis or lengthening alone or flexor digitorum longus lengthening in combination.
结论经验公式可为股四头肌肌腱延长术提供可靠的理论依据。
Conclusion This formula served as a reliable basis for the elongation of the femoral quadriceps 'tendon.
术中重点探查臀大肌、臀中肌的挛缩情况并视具体情况行松解或肌腱延长术。
In operation we emphasized in the situation of contracture of gluteal muscles, then cut the contracture tract or extended the tendon.
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