Strengthening your shoulder joints as you go, trying not to like shock load your shoulder.

加强你肩，努力不要让你肩膀承受太多冲击。

Hip and shoulder joints use a ball-and-socket design that allow rotational movement, but the more flexible a joint is, the more unstable and fragile it is — which is one reason why you see so many dislocated shoulders and hip replacements.

和肩采用球窝设计，允许旋转运动，但是越灵活，它就越不稳定和脆弱——这也是为什么你会看到这么多脱臼肩膀和置换术原因之。

Improved with the special feature of adapted shoulder joints.

改进了适应性肩殊功能。

So, working those arms right from the shoulder joint, trying to avoid any movement between or movement from the head or the chest or the neck.

因此， 从肩开始锻炼手臂，尽量避免头部、胸部或颈部之间任何动作。

The pec major crosses the shoulder joint, distal to the shoulder joint, to where it connects on the upper arm bone, the humerus.

胸大肌跨越肩，位于肩远端，止于上臂骨——肱骨连接处。

They were only called opposite birds because one of their shoulder joints was the reverse of what's seen in living birds.

它们被称为反鸟类，是因为它们肩与现存鸟类相反。

It can be the shoulder joint, it can be the knee, it can be the hip, it can be the ankle.

可能是肩，也可能是膝、或踝。

This movement requires a lot from the shoulder joint; you need to raise your hand and arm to the highest point, hold this position, and then add the practice of striking the ball.

这动作对肩要求很高;你需要将手和手臂抬到最高点，保持这姿势， 然后加上击球练习。

I find it in the shoulder joint, which is not supposed to have that much fat.

我在肩处发现了它，这部位本不该有这么多脂肪。

It's very round at the upper end, and that's suggest that its shoulder joint had quite a bit of mobility.

该上端位置非常圆，这表明食肉牛龙肩具有相当大灵活性。

They have shoulder joints that are oriented for walking on all fours, and the weird tracks they left behind are all quadrupedal.

它们肩适合四足行走，而它们留下奇怪足迹也都是四足。

But they also had more flexible shoulder joints; broad, flat rib cages; and a shorter spine.

但他们也有更灵活肩； 宽而扁平肋骨； 和较短脊椎。

The remaining exercises are actually all about the shoulder joints.

剩下练习实际上都是于肩。

This movement mimics the motion used in tennis serves and helps strengthen the shoulder joints.

这动作模仿了网球发球中使用动作，有助于加强肩。

The practice of volleying requires a high demand for shoulder joints and shoulder joint stability, which can be improved by bouncing the ball.

截击练习对肩和肩稳定性要求很高，可以通过弹球来提高。

This exercise helps improve the strength and stability of your shoulder joints.

这项运动有助于提高肩力量和稳定性。

Among these exercises, I think the one that demands the most from the shoulder joints is the Y-extension.

在这些练习中，我认为对肩要求最高是 Y 型伸展。

Normally, doing the Y-extension will make your shoulder joints very sore, let alone now with added resistance.

通常， 做 Y 型伸展会让你肩非常酸痛，更不用说现在增加了阻力。