盆底肌群收缩功能下降，持续收缩、不协调收缩或松弛。
Abnormal contraction of muscle groups in the pelvic floor such as declined or persistent contraction, disharmony contraction and relaxation.
腿部的肌肉群很大以至于肌肉整体不会收缩，他说。
The muscles in the legs are so large that the whole muscle does not contract, he says.
在那场温布利大战后不久，瑞典人造访布达佩斯，他们收缩阵型，群策群力，干扰主队的传递，最终逼成2-2平。
Sweden held them to a 2-2 draw in Budapest shortly before the Wembley game by sitting deep, disrupting their passing by weight of numbers.
因为贷款困难，商务机的潜在购买群正在逐渐收缩。
The pool of potential buyers is also drying up because of the difficulty in obtaining credit.
目的通过对上肢肌群肌肉轻收缩时肌电信号的检测与分析，提供电子假肢信号源。
Objective To provide myoelectric signal of electronic artificial limb via examination and assessment of the myoelectric signals given by upper extremity muscles in light contraction.
目的探讨颈椎病患者颈椎后伸和前屈肌群最大随意收缩力矩的特征和推拿对其的影响。
Objective To explore the characteristics of maximal voluntary contraction torque of neck muscles in patients with cervical spondylosis and the intervention mechanism of massage.
此外，颈部和喉部的肌肉群也会收缩或者放松来减慢或加快呼吸的速度。
In addition, muscle groups in the throat and neck may be contracted or relaxed to decelerate or accelerate forced airflow created by the respiratory muscles.
上肢外展和旋外肌群的收缩对球拍的加速起到主要作用。
The rotary muscle of upper limbs do main favour in speeding the racket .
本文提出一个求解约束工程设计问题的新的混合算法—与可行基规则相结合的局部收缩微粒群算法。
This paper the hybrid local constriction particle swarm optimization (HLPSO) with a feasibility-based rule is proposed to solve constrained engineering design problems.
分析比较不同级别男子跳高运动员膝关节屈伸肌群离心收缩时峰力矩特点及差异。
The peak torque strength characteristics of eccentric of knee muscles of different levels of high jumpers was analyzed, using the German ISOMED2000 Isokinetic test device.
结论：健康青年者肘关节屈伸肌群在不同收缩形式中重测信度良好，肘关节屈肌的相关性要优于伸肌。
Conclusion: the test-retest reliability of strength testing is good in the elbow of young people, and correlation of the elbow flexor is better than elbow extensor.
结论：健康青年者肘关节屈伸肌群在不同收缩形式中重测信度良好，肘关节屈肌的相关性要优于伸肌。
Conclusion: the test-retest reliability of strength testing is good in the elbow of young people, and correlation of the elbow flexor is better than elbow extensor.
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