The piriformis muscles, strong external rotators of the thigh, attach to the sacrum and the femur. Stretching them can increase S-I joint instability.

梨状肌是附着在骶骨和大腿骨上的强大的回旋肌，对他们的拉伸有损于骶髂关节的稳定性。

youdao

Regular U. S. -South Korea joint military exercises, most recently in July, have the same effect.

美韩定期联合军事演习，最近一次是在七月，也有着同样的效果。

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And strengthening the muscles around the S-I joint so as to prevent future problems can be accomplished by practicing simple backbends and standing poses.

要防止疼痛再次打扰，还需要加强骶髂关节周围的肌肉力量，只需要简单的后仰和站立的体式。

youdao

And reporters who attend the Vancouver Organizing Committee's joint daily briefing with the International Olympic Committee are quite familiar with her, as she serves as the official spokesperson for VANOC.

VOA: standard.2010.02.25

So it's going to be pretty difficult for us to sustain this joint monopoly output, this collusive agreement.

因此说想要通过私下协议来,维持垄断产量,是非常困难的

耶鲁公开课 - 博弈论课程节选

That's only going to be true if dying as a joint undertaking is impossible.

这只能在共同死亡是不可能的条件下才是真的。

耶鲁公开课 - 死亡课程节选

Biden made a point of talking about his Irish-Catholic roots in Saturday's joint appearance with Obama.

NPR: Why Democrats Are Focused On Faith

The NBA's joint committee assigned to give a recommendation on the issue will convene again Wednesday.

WSJ: Sacramento, Seattle? Kings fate to be decided soon

Finally, Miller's joint mining venture has now extracted 33% of coal from Ffos-y-fran in South Wales.

BBC: Building firm Miller Group returns to profit