总之，髋关节表面重建系统结果与传统的THA系统相比活动度降低，用传统的THA在20个间的12个在运动试验中有显著好的活动度。
Overall, the hip resurfacing systems resulted in less ROM than the conventional tha systems, with the conventional tha having significantly more ROM in 12 of the 20 movements tested.
它们可能有活动的关节并可以透过扩大肌肉收缩产生的电流或依靠附着在病人肌肉上的仪器来产生运动。
They may have working joints and allow motion either by amplification of electric current generated by muscle contractions or by actual attachment to the muscles.
研究设计：研究椎间盘前、后部分（分别为AD和PD）在调节C5-C6运动节段后方小关节面（PF）活动的生物力学作用。
Study Design. Biomechanical roles of anterior and posterior portions of the disc (AD and PD, respectively) in governing posterior facets (PF) behavior of a C5-C6 motion segment.
运动系统；四肢正畸形，关节无红肿，活动自如。
Mobility system: no deformation of four limbs, no red swelling of joint. Free movement.
为了得到人体上肢关节运动数据，利用多维摄像系统，拍摄人体上肢在日常生活中的典型活动。
To get the data of joints motion, a multi-dimension camera was used to get the human upper limbs motion of daily life.
背景：用加热疗法来辅助持续被动运动，能促进四肢关节活动度的恢复。
BACKGROUND: Continuous passive motion assisted with diathermia will promote the restoration of joint movement of the extremities.
对虚轴机床的活动平台在空间运动时关节摆角的变化规律进行了研究。
Change regularity of joint swing Angle is studied when movable platform moves in space.
进行体操游戏健身方案后的幼儿髋、膝、踝关节的活动幅度都相对提高，干预对膝关节运动幅度的影响要强于髋关节和踝关节；
After carrying on gymnastic games fitness plan, active scopes of infants' hip, knee, ankle joint have been relatively enhanced, and the influence of knee joint was stronger than other joints.
做好准备活动：运动前应做一些专门性练习，如慢跑、活动各关节和肌肉；
Enough warm-up: enough warm-up should be made before playing, such as jogging, and get joints and muscles ready for playing.
韧带与肌腱通常会限制关节的活动，但是对于某些人来说，这些结缔组织非常灵活，能做出更大范围的运动，也就是我们所称的“双关节”。
Ligaments and tendons usually restrict the movement of the joint, but in some people, these normally restrictive tissues can be quite flexible and allow the extra movement we call "double-jointed."
活动过度，即骶髂关节运动太多，是支持关节的韧带松弛造成的。
Hypermobility, or too much movement in the sacroiliac joints, is a result of loose ligaments supporting the joints.
肘关节的玩法：肘关节在活动时两只手必须靠近关节位置，摸拟真人的运动方向做造型。
Elbow joint operation: Two hands have to close with the joint position when you make some actions just like human direction of motion to pose as well.
在肩部的运动中，阻力，重力和肌肉的收缩力集中于肱骨轴线，通过盂肱关节面转换为与关节盂面垂直的压力和与关节盂面平行的剪力，作用于肩部活动的全过程。
During the pitching motion, the resistance force, weight of the pitching arm and the contraction force of muscles set up a combination force along the pivot of the humerus.
功能：平衡运动，锻炼腰腹部肌肉，活动腰、髋、腿部关节，增强平衡能力。
Function:Trianing the muscle group on waist, back and legs, improve the coordination and flexbility of the body.
水中有氧运动，让我来定义的话，那就是，在浅水区内进行的无负重(关节活动轻松)的抗阻有氧练习。
To me, water aerobics is defined as a non-weight bearing (easy on the joints) resistance and aerobic exercise performed in shallow water.
无论你从事什么样的体育活动，选择一双舒适的运动鞋很有必要，它不仅可以缓冲运动时外力对人体产生的冲击，而且还可以对踝关节和脚部起到适当的保护作用。
No matter what sport you play, the correct footwear is essential to absorb the impact of movement as well as provide adequate support for your ankles and feet.
无论你从事什么样的体育活动，选择一双舒适的运动鞋很有必要，它不仅可以缓冲运动时外力对人体产生的冲击，而且还可以对踝关节和脚部起到适当的保护作用。
No matter what sport you play, the correct footwear is essential to absorb the impact of movement as well as provide adequate support for your ankles and feet.
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