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屈曲角度
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  flexion angle
     The flexion angle of joint preopration was 15° -60°, the extension angle was-80°-20° ;
     肘关节屈曲角度在15°-60°; 伸直角度在-80°--20°;
     ①After arthroscope operation and isokinetic training,the range of joint movement were extended,and the maximum flexion angle changed from(132±25)° to(158±21)°.
     ①关节镜手术配合等速肌力训练后,膝关节运动范围加大,训练前患膝的最大屈曲角度为(132±25)°,训练后患膝的最大屈曲角度为(158±21)°,经配对t检验,两者差异有非常显著性意义(P<0.01)。
短句来源
     The flexion angle of joint preopration was 15°-60°, average 30.4°, the extension angle was -80°--20°, average -51.2°.
     病程8个月~20年。 肘关节屈曲角度为15° ̄60°,平均30.4°;
短句来源
     Three hundred and five cases of LIDH were randomly divided into two groups: the treated (n= 154 cases) and the control (n= 151 cases),which were treated by CCTRM (traction distance: 50 to 70 mm; flexion angle: ±15o to 20o; rotation angle: ±8o to 25o) and by lumbar-vertebrae-rotating manipulations,respectively.
     采用多中心随机对照研究,随机分为对照组154例,采用计算机控制三维牵引治疗,牵引距离50~70mm,屈曲角度±15~25°,旋转角度±8~25°;
短句来源
     In 2 cases with plantar section, the flexion angle of MP joint could achieve 15° to 45° in 2 monthes.
     临床应用后随访显示,仅切断跖板者经2个月随访,屈曲角度为15~45°;
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  flexion range
     The Influencing Factors of Flexion Range After Total Knee Arthroplasty
     全膝关节置换术后膝关节屈曲角度的影响因素
短句来源
     The flexion range of knee joint could be seen as the most important factor to evaluate the effect of total knee arthroplasty.
     膝关节屈曲角度是评定全膝关节置换手术效果的重要因素。
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  “屈曲角度”译为未确定词的双语例句
     RESULTS:There was statistical significance between walking ability and lateral joint range of motion(ROM) of hip and knee in stroke patients(R=0.524,P=0.003;R=0.518,P=0.004),especially the extension of hip joint and the maximal flexion of knee joint(R=0.745,P=0.000;R=0.643,P=0.000).
     结果:脑卒中患者的步行能力与患侧髋、膝关节活动度之间的相关均有统计学意义(R=0.524,P=0.003;R=0.518,P=0.004),尤其与患侧髋关节伸展和膝关节最大屈曲角度之间的相关有显著统计学意义(R=0.745,P=0.000;R=0.643,P=0.000);
短句来源
     In the traditional modified tension band group, the mean knee flexion at the 2nd week and 4th week was 31°±13.3° and 63°±13.7° respectively.
     传统双克氏针及张力带钢丝组术后2、4周膝关节平均屈曲角度分别为31°±13.3°及63°±13.7°;
短句来源
     Results The angle of flexion of the MP joint before operation in group A is 37.30±5.42°, it increased 11.29±2.36° and to 48.60±2.98° when the bilateral collateral ligaments were cut, and there was significant difference.
     结果A组,术前跖趾关节屈曲角度为37.30±5.42°,切断双侧侧副韧带后屈曲角度增加11.29±2.36°,达48.60±2.98°,与切断前比较差异有统计学意义(P<0.01);
短句来源
     While in group B, the angle of flexion of the MP joint before operation is 34.59±5.32°, it increased 6.29±2.98° and to 40.89±2.36° when the plantar plate were cut, later the cut of the bilateral collateral ligaments increased another 9.71± 1.94° and to 50.60±2.01°.
     B组,术前跖趾关节屈曲角度为34.59±5.32°,切断跖板后屈曲角度增加6.29±2.98°,达40.89±2.36°,与切断前比较差异有统计学意义(P<0.01);
短句来源
     Results In the cannulated screws combined with tension band wire group, the mean knee flexion at the 2nd week and 4th week postoperatively was 59°±14.8° and 98°±15.1° respectively.
     结果空心钉及张力带钢丝组术后2、4周膝关节平均屈曲角度分别为59°±14.8°及98°±15.1°;
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  flexion angle
Peak contact stress generated was due to both factors, the magnitude of compressive load and the flexion angle.
      
We found that, dependent on load and flexion angle in each preparation, (1) the total retropatellar force and some of the force components were greater when the PCL was ruptured than in the intact specimen.
      
The difference between the congruence angles (CA) and tilt angles (PTA) in QC and QU positions and VMO:VL ratio from the iEMG were calculated separately for each flexion angle.
      
MUL and graft stiffness determine graft force for a given flexion angle and external load.
      
Although several variables can affect MUL, such as pretension level, flexion angle at pretension, and direction of tension, one variable is important, fixation position of the graft relative to the bone.
      
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  flexion range
This study indicates that this area of the tendon may not subjected to the highest tensile loads in the functional flexion range.
      
There was a statistically significant difference in flexion range of motion between hinged and nonhinged designs (96.5° vs.
      
The femur moved anteriorly from 0° to 30° and posteriorly through the rest of the flexion range.
      
Residual posterior femoral condyle osteophyte affects the flexion range after total knee replacement
      
The potential factors affecting the final flexion range were investigated.
      
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Under four different conditions ( Physiological QA, Increased 10 degreesQA, Decreased 10 degrees QA and tibial tubercle elevation), forces in boththe ligmentum patellae and quadriceps tendon ( Fp and Fq ) were determinedusing Buckle Transducer at 7 knee flexion angles in seven cadaver knee join-ts. Contrary to traditional opinion, our results indicated that patella was nota simple pulley structure that serves only to change the direction of the equalforces in the quadriceps tendon and ligamentum patellae.The...

Under four different conditions ( Physiological QA, Increased 10 degreesQA, Decreased 10 degrees QA and tibial tubercle elevation), forces in boththe ligmentum patellae and quadriceps tendon ( Fp and Fq ) were determinedusing Buckle Transducer at 7 knee flexion angles in seven cadaver knee join-ts. Contrary to traditional opinion, our results indicated that patella was nota simple pulley structure that serves only to change the direction of the equalforces in the quadriceps tendon and ligamentum patellae.The force ratios,de-termined by the changing location of patellofemoral contact area, varied sign-ificantly with knee flexion angle.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.The effects of Q-angle and tibial tubercleelevation on the knee extension mechanism were also discussed.

本实验使用扣带式传感器对7例尸体膝关节在生理Q角、Q角增大10°、Q角减小10°和胫骨结节抬高术四种状态下,从90°到0°的伸膝过程中7个屈膝角度时的髌韧带张力和股四头肌腱张力进行测试。不同于传统的观点,我们的实验结果表明:髌骨不是只改变股四头肌腱和髌韧带张力方向的简化滑轮结构。Fp/Fq随膝关节屈曲角度的变化而明显改变,这种比率关系是由髌股关节接触区部位的移行决定的。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。本文还就Q角改变和胫骨结节抬高术对伸膝装置力学机制的影响进行了探讨。

Flexion-extension inability due to postoperative tendon adhesion is often en- countered in the repairment of finger flexor tendon injuries,whether emergency recon- nection or secondary reconstruction.The authors treated 46 tendons of 24 fingers in 17 patients by both active extension under the control of the flexion limited forearm plaster and passive flexion designed by them for reducing postoperative tendon adhesion from January 1987 to March 1990.Excellent and good results were achieved in 15 patients(88%)as...

Flexion-extension inability due to postoperative tendon adhesion is often en- countered in the repairment of finger flexor tendon injuries,whether emergency recon- nection or secondary reconstruction.The authors treated 46 tendons of 24 fingers in 17 patients by both active extension under the control of the flexion limited forearm plaster and passive flexion designed by them for reducing postoperative tendon adhesion from January 1987 to March 1990.Excellent and good results were achieved in 15 patients(88%)as evaluated by the TAM method.The authors believed that this scheme was superior to the control technique with elastic equipment and more effec- tive for the prevention of the postoperative tendon adhesion.The authors also discuss- ed the mechanism of the marked effect of this management.

手指屈指肌腱损伤的修复,无论是急诊修复或二期肌腱移植术,均因术后肌腱发生粘连而使手指的屈伸功能受到影响。为了减少屈指肌腱术后粘连,作者自1987年1月~1990年3月,应用前臂石膏托控制一定屈曲角度的主动伸指及作者自行设计的人工早期被动屈指活动的方案,治疗17例24指46条屈指肌腱损伤,经1~2年随访,用TAM法评定,优良者15例,占88%。作者认为该“方案”明显优越于弹性装置的控制性技术,是预防屈指肌腱术后粘连更有效的措施。此外,对该“方案”的显著疗效的机理作了探讨。

The objective of this study is to evaluate the surgical outcome of anterior displacement of the tibial tuberosity,(Maquet procedure)for reducing Patellofemoral joint contact force The in vivo experimental knee joint geometric data with a biomechanical model were used to simulate the Maquet procedure.Six healthy young adults performed weight-bearing knee flexion-extension by ascending a one-step stair.Dynamic X-ray images of the knee were continuously recorded by a video-fluoroscopic system.These X-ray images...

The objective of this study is to evaluate the surgical outcome of anterior displacement of the tibial tuberosity,(Maquet procedure)for reducing Patellofemoral joint contact force The in vivo experimental knee joint geometric data with a biomechanical model were used to simulate the Maquet procedure.Six healthy young adults performed weight-bearing knee flexion-extension by ascending a one-step stair.Dynamic X-ray images of the knee were continuously recorded by a video-fluoroscopic system.These X-ray images were analyzed on a computerized digitizing system to get the knee joint geometric data.Based on the continuous in vivo geometric data,computer surgery simulation was studied on 6 right knees with advancement of 3,5,10,15,and 20 degrees of tlie patellar tendon insertion.Evaluation of the simulation consequences from a biomechanical view point showed that the Maquet procedure reduced the patellofemoral joint reaction force only up to 207% at 90 degrees of knee flexion angle.The patellofemoral joint reaction force had 50% reduction only when the knee flexion angle was less than 20degrees, and only when patellar tendon was moved outwards by 15 or 20 degrees.This represented nearly one inch of the anterior displacement of the tibial tuberosity.The results also showed that the Maquet procedure would decrease up to 20% of the force transmission effciency of the patellofemoral mechanism,which would cause the mechanical consequences of the operation to be only minor at knee flexion angles greater than 20 degrees.These findings suggest that the Maquet procedure is only favorable to elderly or less active patients assuming small knee flexion angle activities.

本研究的目的是评估胫骨结节前移术(Maquet手术)降低髌股关节接触力的效果。采用膝关节活体几何学数据结合生物力学模型模拟Maquet手术。6例健康青年人在膝关节负重屈伸时(上一级楼梯)以视屏系统连续记录膝关节的动态X线影像,采用计算机系统分析数字化X线影像得到膝关节的几何学数据。根据上述数据对6例右膝进行计算机手术模拟,将髌腱止点前移3、5、10、15和20°,随后,对模拟结果作生物力学分析。结果显示,膝屈曲角度达90°时,Maquet手术仅能使髌股关节接触力减少20%,只有在膝关节屈角度小于20°及髌腔前移15°或20°时,髌股关节接触力才有明显下降,达50%。髌腱前移15°或20°意味着胫骨结节前移几乎达1英寸。结果还显示,Maquet手术可使髌股装置的力传导效率下降20%,因而在膝关节屈曲角度大于20°时,手术效果变得很小。上述发现提示Maquet手术仅适用于屈膝角度较小的老年人或活动较少的病人。

 
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