With the addition of the chair model, the JACE Shoulder chair CMP achieves internal and external rotation as well as elevation (forward flexion).

凭借椅子一样外型，该产品可以实现内部和外部的轮换以及提升（向前弯曲）。

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Inset: illustrating the stretch of the external rotators of the shoulder through internal rotation of the humerus.

插图：说明了肱骨内旋中的肩关节外旋伸展。

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Travel Keyboard makes better use of limited space environments, and allows for external mice to be placed even closer to the keyboard, reducing shoulder pain and increasing comfort.

便携键盘的紧凑性更好地利用了有限的空间环境，甚至可以在键盘附近额外放置一个鼠标，减少肩膀疼痛，增加舒适性。

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Isokinetic dynamometry has been used to quantify shoulder muscle imbalance by determining an eccentric external rotation-to-concentric internal rotation "total work ratio."

等速肌力测试法被用于量化肩关节肌肉不平衡决定离心外部同轴旋转内部旋转总功率。

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Isokinetic dynamometry has been used to quantify shoulder muscle imbalance by determining an eccentric external rotation-to-concentric internal rotation "total work ratio."

等速肌力测试法被用于量化肩关节肌肉不平衡决定离心外部同轴旋转内部旋转总功率。

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