等速肌力测定

introduction
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everyday practice: patients / athletes
每天训练：病人/运动员
• diagnostics and treatment evaluation and rehabilitation 诊断 治疗 评估 康复 restoration of strength level after therapy? 治疗之后力量水平的恢复 • •
introduction Research研究:
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• standardized strength training标准的力量 训练 • RCT; 6 weeks training intervention随机对照 实验：6 周的训练 standardized training 标准训练
0
力）
flexion
• moment of inertia (depending on:
mass; radius)惯性（决定于：质量，
半径）
introduction „ballistic mode““弹道模式”
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Consequence („classic mode“)结论（经典模式） • incorrect interpretation of data错误的数据 解释:
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• strength diagnostics力量诊断 for example举例: • differences in strength of the plantarflexors between healthy runners and runners with achilles tendinopathy健康运动员与阿基里斯 肌腱损伤运动员在跖屈力量上的差异 shoulder strength capacity and supraspinatus tendinopathy 肩关节力量能力和冈上肌肌腱 病 is trunk strength a relevant factor in low back pain躯干力量是下腰痛的一个相关因素 …
J.Perrine 1967
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Isokinetics in Literature等速文献
• PubMed search检索 (isokinetic 等速/ torque力矩): 1980: 8
1990: 48
2000: 70 2010: 114 68 11 9 7 – knee 膝 – ankle踝 – hip髋 – trunk躯干
well controlled position, velocity, loading 很好的控制姿势，速度，负载
• objectivity / reliability 客观性/可靠性 • • the machines are accurate 仪器准确性 variability comes from the subject in the specific test situation目标特殊测试状 态下的可变性
Dr. phil. Steffen Müller
introduction
Content目录 • introduction介绍
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• clinical application (patients / athletes)临床应用 （病人/运动员） • strength diagnostics力量诊断 • treatment evaluation治疗评估 • rehabilitation康复 • strength training力量训练 • research研究 • strength diagnostics力量诊断 • standardized test situations标准测试方式 • standardized strength training标准力量训练
Up to Date Dynamometry
肌力测定新进展:
Clinical Applications and Research
临床应用与研究
University Outpatient Clinic. Sports Medicine and Sports Orthopaedics University of Potsdam. Germany 德国波茨坦大学运动医学与康复专业医院
isokinetic phase)诊断值受加速，减速运 动的影响（无等速阶段） • patients: reasonable velocities in active
movements not always possible
(especially in the initial phase of rehabilitation)病人：在主动运动中，合 理的速度不总是存在（尤其在康复的初期） • athletes: „high speed“ testing/training is not possible 运动员：”高速“测试与 训练不可能
introduction „ballistic mode“”弹道模式“ natural movement自然运动
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Flex re Flex li Ext re Ext li
male athlete after ACL injury 男性运动员在前交叉韧带损伤之后 3 month, 6 month, 9 month 3,6,9个月
Eccentric
Iso
concentric
introduction Research研究:
two factors to reach speed limit: 病人和运动员必须克服两个因素达到预 设的速度 • gravity (gravitational force that occurs between earth and other bodies)重力（地球与身体之间的引
extension
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restoration of strength level after therapy? 治疗之后力量水平的恢复情况？
everyday practice: patients / athletes每天训练： 病人/运动员 • rehabilitation (trainig mode – biofeedback) 康复（训练模式-生物反馈）
introduction „ballistic mode““弹道模式”
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reasons原因 • physics (Newton´s laws)物理性: patients/athletes have to overcome
problem in „classic mode“经典模式“的问 题: real speed may not reach preset speed limits:不能达到预设的速度
introduction Research研究:
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ຫໍສະໝຸດ Baidu
• standardized test situations标准测试状态 • thickness of Achilles / Patella tendon in different joint angles and loading situations阿 基里斯/髌骨 肌腱在不同关节角度和负载状 态下的厚度
•
side differences; agonist vs. antagonist; conentric vs. eccentric; reference values?两侧差异；收缩 肌，对抗肌；向心，离心；参考 值？
additional examples:举例 • • LBP-patients下腰痛病人 stroke patients中风病人
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introduction
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everyday practice: patients每天训练：病人 • strength diagnostics力量诊断 • female athlete女性运动员; 8 weeks after torn muscle fibers 在肌纤维损伤8周后(M. rectus femoris, left左侧 股直肌) full recovery?真的康复了吗？ is there a strength deficit?有无力量缺失？
[°/ s] 180 [Nm]
• a measured value is correlated to a
wrong velocity 测量值与错误的速度相 关联 • the measured value is effected through
180 0
extension
0
flexion
acceleration/deceleration moments (no
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Baur et al. Reactivity, stability, and strength performance capacity in motor sports. Br J Sports Med (2006) 运动中 的反应，稳定性，力量能力
Baur et al. Trunk extensor and flexor strength of long distance race car drivers compared to physically active controls. J Sports Sci. (2010)长距离驾车驾驶员的躯干 伸肌与屈肌力量身体主动控制对比
decision: best treatment / training?决定： 最佳的治疗/训练
introduction
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everyday practice: athletes每天训练：运动员 • treatment / training evaluation治疗/训练 评估 elite male athlete (no pain)优秀男性运动员 （无疼痛） strength gain after training intervention? 在训练之后力量的增加
Arya et al. 2009
Müller et al. Reproducibility of isokinetic single- and multi-joint strength measurements in healthy and injured athletes. Isokinetics and Exercise Science (2007)健康与损伤运动员单与多关节等速力量诊断 的再现 等速与训练科学 2007
• up to date最新
• „ballistic mode“弹道模式 • „sensorimotor“ testing感觉运动测试 • speed „profile“ (+ perturbation)速度情况 扰 动 • special/functional movement situations特别 的/功能性运动状况 • examples (video clip) 例子 （视频剪辑）
9
5 5
– shoulder肩
– elbow肘 – other其他
introduction
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感谢德国菲兹曼医用电子公司提供设备支持!
introduction
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research
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introduction