膝关节评估精选课件.ppt

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1、关于膝关节评估第一页，本课件共有39页2膝部韌帶拉傷膝部韌帶拉傷内侧副轫带内侧副轫带(MCL)/(MCL)/外侧副轫带外侧副轫带(LCL)(LCL)内翻压力测试内翻压力测试(Varus Stress test)(Varus Stress test)(圖右)外侧副轫带 外翻压力测试外翻压力测试Valgus Stress testValgus Stress test(圖左)内侧副轫带Grade 0:无松弛Grade 1:1cm第二页，本课件共有39页3膝部韌帶拉傷膝部韌帶拉傷前十字轫带前十字轫带(ACL),(ACL),后十字轫带后十字轫带(PCL)(PCL)u前十字轫带:膝弯屈时放松(030度),

2、伸直时紧张u后十字轫带:膝弯屈时紧张(90度),伸直时放松PCLACL.第三页，本课件共有39页4最常见原因跑动中急停改变方向造成一巨大扭转力而损伤高处跳下造成膝扭转前十字轫带前十字轫带 -非碰撞接触损伤非碰撞接触损伤第四页，本课件共有39页5后十字轫带损伤后十字轫带损伤胫骨下陷(sag sign)常见骑摩托车撞击前档板后损伤 第五页，本课件共有39页6前十字轫带前十字轫带(ACL);(ACL);后十字轫带后十字轫带(PCL)(PCL)90-前抽屉试验/后后抽屉试验030:前十字-紧张 90:后十字-紧张前抽屉试验(+)表示胫骨被拉向前超過0.5cm，前十字轫带可能断裂后抽屉试验(+)(+)表

3、示胫骨被向後推離股骨超過0.5cm后十字轫带可能断裂第六页，本课件共有39页7抽屉试验的盲点抽屉试验的盲点1.腘旁腱(腿后腱)肌(hamstring)太紧會拉不動 伪阴性伪阴性2.2.当后当后十字轫带损伤时会使胫骨原先就处在后退的位置(sag sign)伪阳性伪阳性第七页，本课件共有39页8 Lachman testu对前十字轫带损伤最敏感对前十字轫带损伤最敏感ACL ACL u膝弯屈2530然后拉动胫骨远离股骨u若轻易被拉开表示前十字轫带断裂第八页，本课件共有39页9前十字轫带旋转轴移动测试前十字轫带旋转轴移动测试(ACL Pivot shift test)(ACL Pivot shift

4、test)给一拉力将胫骨前拉在膝弯屈0-30时,然后给予股骨向内侧的压迫前十字轫带稳定度如果出现卡住 突然半脱位 pivot shift test(+)第九页，本课件共有39页10膝部膝部 Knee UnhappyKnee Unhappy TriadTriad膝盖扭伤合并内侧副韧带、前十字形韧带和半月软骨损伤的合并性严重损伤需碰撞的运动常见运动伤害机转:外侧碰撞力量在膝盖此时脚掌还紧贴在地面产生一个外转的扭力前十字形韧带损伤可连带外側/內側结构的破坏第十页，本课件共有39页11u小的撕脱性骨哲折 在胫骨近端和前十字轫带有关 扭转伤害 Segond Fx前十字轫带损伤在前十字轫带损伤在X X线表

5、现线表现第十一页，本课件共有39页12A Fat-Suppressed Proton-Density weighted Sagittal image u实心条状MRI下正常前十字轫带T1-weighted MRI第十二页，本课件共有39页13T1-weighted MRIMRI appearances in ACL第十三页，本课件共有39页14u在应当出现前十字轫带的位置却看不到代表就是有损伤 uSagittal image shows complete(or near-complete)nonvisualization of the ACL with ill-defined edema an

6、d hemorrhage in the usual location of the ACL in the intercondylar notch.MRI appearances in ACL tearT1-weighted MRI第十四页，本课件共有39页15Proton-density weighted fat-suppressed sagittal image 轫带边缘不规则部份断裂Diagnosis:Partial tear of the proximal anteromedial band of the ACL第十五页，本课件共有39页16半月軟骨损伤半月軟骨损伤关节活动时卡住McMu

7、rray testMcMurray test：平躺膝弯屈给与内转外转的力外转的力 外侧半月軟骨(Lat.Meniscus(左圖)内转的力 内侧半月軟骨(Med.meniscus(右圖)检查有无杂音(click sign)第十六页，本课件共有39页17meniscus 半月軟骨Apleys testApleys test：下压且旋转：下压且旋转若有明显疼痛在膝盖处表示阳性第十七页，本课件共有39页18臏骨痛臏骨痛(Patellofemeral Pain)(Patellofemeral Pain)宾骨碾磨测试(patellofemoral grind test)Apprehension test（

8、恐懼）宾骨被向外推时病病人会有恐慌表情第十八页，本课件共有39页19宾骨股骨疼痛综合征宾骨股骨疼痛综合征与造成膝关节外側压力大的任何因素相关的生物力学缺损都可能造成疼痛Q angle 角度過大足部過度pronation（flatfoot）髕骨过度外移髕骨过高或过低(Patella alta(高位)or baja(低位)第十九页，本课件共有39页20 Hamsting strain Hamsting strain Quadriceps strain Quadriceps strain第二十页，本课件共有39页21宾骨股骨疼痛综合征宾骨股骨疼痛综合征股内斜肌(VMO vastus medialis

9、 oblique muscle)肌力不足:最重要的稳定肌肉股骨前倾造成股骨过於內转足旋前髋内转肌縮短;造成股骨過於內轉髋外转肌力不足;造成股骨過於內转:Iliopsoas,Gluteal muscles第二十一页，本课件共有39页22宾骨股骨疼痛综合征宾骨股骨疼痛综合征治疗治疗足弓使用特殊鞋垫支撑肌力训练:髁腰肌(Iliopoas)and 股内斜肌 开放/闭锁链运动伸展内侧腘旁腱肌和大腿内收肌群避免 WW坐姿坐姿 第二十二页，本课件共有39页23宾骨肌腱炎宾骨肌腱炎(Patellar tendonitis)(Patellar tendonitis)近端:跳跃膝(Jumpers knee)远端:

10、Osgood-Schlatter Dz第二十三页，本课件共有39页24Infrapatellar bursitisInfrapatellar bursitisPopliteal bursitis(Bakers cyst)第二十四页，本课件共有39页膝退化性关节炎Figure 1:正常 Figure 2:有骨刺产生,关节腔变窄第二十五页，本课件共有39页Osteoarthritis:gradingDepartment of Rheumatology and Medical Illustration,University of ManchesterGrade 0:No featuresGrade

11、1:Doubtful narrowing of joint space and possible osteophytic lippingGrade 2:Definite osteophytes and possible narrowing of joint space Grade 3:Moderate multiple osteophytes,definite narrowing of joint space,and some sclerosis and possible deformity of bone endsGrade 4:Large osteophytes,marked narrow

12、ing of joint space,severe sclerosis,and definite deformity of bone ends第二十六页，本课件共有39页27髂胫束综合症髂胫束综合症 (Iliotibial band syndrome)(Iliotibial band syndrome)Ober test第二十七页，本课件共有39页28Open and Closed-kinetic Chain ExerciseuClosed-kinetic chain exercise provide a more significant compression force across th

13、e knee while activating cocontraction of the quadriceps and hamstring muscles.uOpen-chain exercise at low flexion angles may produce an increase in anterior shear forces,that may cause laxity in the ACL.第二十八页，本课件共有39页29Open and Closed-kinetic Chain ExerciseuOpen-chain exercise generate more isolated

14、 muscle activities and allow for more specific strengthening training.Closed-chain better than Open-chain exercise in ACL reconstruction Avoid early open-chain exercise 第二十九页，本课件共有39页30反覆宾骨不稳定的治疗l目标:减轻症状Increase quadriceps strength a d endurance (VMO lateral structures).Use of passive restraints(Pal

15、umo-type bracing,McConnell taping)to augment stability during transition.Patellar TapingCreate a mechanical medial shift of the patella centralizing it with in the trochlea groove and improving patellar tracking.第三十页，本课件共有39页31uTherapeutic ExerciseslHeel slides/Wall slides()lPatellar mobilization第三十

16、一页，本课件共有39页32uTherapeutic ExerciseslQuadriceps sets lStraight leg raises(SLR)all planes with brace in full extension until quadriceps strength is sufficient to prevent extension lag.Slowly raise it 6 to 10 inches off the floor.Hold this position for 5 seconds and then relax.Perform 3 sets of 20 repe

17、titions,4 to 5 days a week.第三十二页，本课件共有39页33Nonioerative treatment of Recurrent Patellar Instability(Lateral)High EMG activity of the VMO1.Leg press.2.Lateral step-up.3.Isometric quadriceps setting.4.Hip adduction exercise.第三十三页，本课件共有39页34General Guidelines for Nonioerative treatment of Recurrent Pat

18、ellar Instability(Lateral)lGradual restoration of flexibility(stretching)for noted deficits.1.Iliotibial band 2.QuadricepsTwo-person Ober stretchCross-over lateral fascial stretchSelf ober stretchLeaning lateral fascial stretchQuadriceps self-stretch第三十四页，本课件共有39页35General Guidelines for Nonioerativ

19、e treatment of Recurrent Patellar Instability(Lateral)lGradual restoration of flexibility(stretching)for noted deficits.3.Hamstring4.Gastrocnemius第三十五页，本课件共有39页36uTherapeutic ExerciseslHamstring CurlsHold this position for 5 seconds and then relax.Perform 3 sets of 20 repetitions,4 to 5 days a week,

20、continuing for 3 to 4 weeks.lStraight Leg Raises(Prone)Tighten the hamstrings of the injured leg and raise the leg toward the ceiling as far as you can.Hold the position for 5 seconds.Perform 3 sets of 20 repetitions,4 to 5 days a week.第三十六页，本课件共有39页37uTherapeutic ExerciseslNon-weight bearing gastro

21、soleus,Hamstring stretcheslProne extension hangs for gravity assisted knee extensionlSupine and leg elevation with resistance第三十七页，本课件共有39页38uTherapeutic ExerciseslMini squats 030 lStationary bike(begin with high seat,low tension)lClosed-chain extension(leg press 030)lContinue hamstring stretch,progress to weight-bearing gastrosoleus stretches.lContinue prone lag hangs with progressively heavier ankle weights until full extension is achieved.第三十八页，本课件共有39页2023/3/2感感谢谢大大家家观观看看第三十九页，本课件共有39页