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    Experimental Study on the Full Procedure of Concrescence of Bone Fracture with the Help of the Arm-type Single-side Hydraulic-Adjusted Viscoelastic External Fastened System by Using 3-D Finite Element Model
    力臂式单侧液压调控粘弹性骨折外固定系统对骨干骨折愈合全过程的三维有限元模型实验研究
    Clinical Study on the Treatment of Femoral Bone Back Intertrochanteric Fracture or Down Trochanter Comminuted Fracture With the External Fixation
    力臂反弹撬拉固定架治疗股骨反转子间骨折与转子下粉碎性骨折的临床研究
    FQ increased by 10-40% after patele ctomy, while anterior displacement of the tibial tubercle by 1.5cm led to 11%-19% decrease because of its pro- longed lever arm.
    髌骨切除后该力增加10~40%,而胫骨结节抬高1.5cm该力减少了11~19%,因为后者力臂增长。
    Results: Excursions and moment arms of the flexor tendons increased significantly after incision of the central 1/2 and 3/4 of the sheath(P<0.05).
    1/2切开后,单纯屈曲掌指关节时的FDS腱和掌指、近节指间关节屈曲时的FDS、HDP腱的滑动距离和力臂较腱鞘完整时显苫增大(P<0.05);
    Methods: In 8 adult cadaver upper extremities, moment arms of extensor carpi radialis longus and brevis, extensor carpi ulnaris, flexor carpi radialis and ulnaris were measured after dorsal displacement of intra-articular fractures by 0, 1, 2, 3, 4 and 5 mm.
    方法 :在 8只成人尸体上肢标本 ,截骨造成经关节面桡骨远端骨折 ,再将骨折片分别向背侧移位 1、2、3、4、5mm ,测定经关节面骨折在无移位 ,移位 1、2、3、4、5mm时 ,桡侧腕长、短伸肌腱、尺侧腕伸肌腱、桡侧腕屈肌腱和尺侧腕屈肌腱的力臂变化。
    Dynamic External Fixator for the Treatment of Tibio-Fibular Fracture on Medium and Lower Segment
    力臂式外固定器治疗胫腓骨中下段骨折的体会
    Treatment of Intertrochanteric Fracture of Femur with External Fixator in Lever Type Experimental Research and Clinal Application
    力臂式外固定器治疗股骨粗隆间骨折实验研究和临床应用
    Moment arms of the wrist motor tendons and its implication
    人腕关节动力肌腱的力臂值及意义探讨
    Treatment of femoral neck fractures in children with nail passing through skin and arm of force external fixator
    经皮穿针配合力臂式外固定架治疗儿童股骨颈骨折
    The patella not only transmitted the force ofthe quadriceps according to certain ratios, but also was important in the in-crease of knee extension arm of Fp.
    髌骨不仅按照一定的比率传递股四头肌力,而且还起着增大髌韧带张力伸膝力臂的作用。
    It was confirmed that: (1) When the arm of force was lengthened lcm, the power of transfered muscle could be saved about 1/3. (2) The angle between force line and neutral axis of hip increaslng 15°, could save about 50% force.
    证明:力臂增长1cm,重建的臀肌省力约1/3; 肌力作用线与关节轴夹角增加15°,可省力约50%;
    Two POints weresuggested to improve the effect of treatment: to shorten themoment arm of load and to exert strong, effective, continuoushypertension load on the DIP joint before complete healing.
    要提高疗效需抓住两个关键点,即缩短负荷力臂及伸肌愈合之前施以强大、持续、有效的过伸力量。
    12 cases of unstable tibio-fibular fracture on medium and lower segment were treated by dynamic external fixator since 1992. All the cases had been followed-up.
    自1992年以来应用力臂式外固定器治疗不稳定胫腓骨中下段骨折12例.
    Moment arms of the tendons were calculated according to the relationship of the tendon excursion and joint motion.
    根据肌腱力臂和滑动距离的关系,得出屈指肌腱在掌指关节处和近侧指间关节及肌腱在近节指骨段的弓弦畸形程度。
    Bowstringing of the tendons was 1.0 to 1.3 mm;
    切开3/4长度后,FDS、FDP腱滑动距离均有统计学意义变化,FDS、FDP腱力臂平均增加8~9%;
    Incision of the sheath along the whole length markedly increased tendon excursions and moment arms (P<0.01),with tendon bowstringing of 1.5 to 1. 9mm.
    全切开腱鞘,FDS、FDP腱滑动距离变化正统计学上有高度显著性(P<0.01),两腱力臂分别增加16%和15%。 随腱鞘切开范围增大,FDS、FDP在近节指骨段的弓弦畸形程度也越来越大。
    Results Moment arms of the radial extensors increased signif- icantly after SLIL sectioning.
    结果 在舟月骨间韧带切断后腕屈伸运动时桡侧伸腕肌键的力臂明显增大;
    Objective To observe the biomechanical effectiveness and clinical therapeutic effect of the improved pinning method and external fixator in lever type on the treatment of intertrochanteric fracture of the femur.
    目的观察改进的穿针方法力臂式固定器治疗股骨粗隆间骨折的生物力学效应和临床疗效。
    The wrist motor tendons were connected with rotary potentionmetric transducers to continuously record tendon excursions during wrist motion. The wrist motion was recorded by an electronic goniometer. Moment arms of tendons were calculated according to the relationship between tendon excursions and joint angulation.
    方法 :运用 7只新鲜成人尸体上肢标本 ,将运动腕关节的肌腱和旋转电压计相连 ,在腕关节分别从屈曲至伸直 ,桡偏至尺偏过程中 ,用计算机同时记录腕动力肌腱滑动距离和腕运动角度 ,根据腱滑动距离和腕运动角度计算出肌腱平均力臂力臂变化。
    Objective To determine the changes in excursions and moment arms of wrist motor tendons in dorsally angulated fractures of the distal radius.
    目的 测定桡骨远端骨折背屈成角畸形后腕动力肌腱的滑动距离和力臂变化 ,为矫正临床上骨折畸形提供依据。
 

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