Its effects can lead to muscle weakness and trouble breathing.

它的影响会导致无力和呼吸困难。

A common sign of MS is muscle weakness and a loss of coordination.

MS的常见症状是无力以及丧失协调能力。

But what happens in myasthenia gravis though?

但是重症无力是如何发生的呢？

To better understand myasthenia gravis, let's review normal muscle contraction but at the cellular level.

为了更好的理解重症无力，我们从细胞水平来了解一下肉正常收缩时的状态。

Weakened muscles, back pain, eye problems, astronauts say they've experienced all of these ailments after working in orbit.

微重力会导致无力，背部酸痛和眼疾，宇航员称在轨道后遭受了所有些疾病。

This distinguishes muscular dystrophy from other problems that cause muscle weakness as a result of nerve damage, like neuropathies.

养不良区别于其它因神经损伤造成无力的因素，如神经损伤疾病。

Myogenic a. Impairment of transmission of impulses from the nerve to the muscle at their junction, e. G Myasthenia Gravis.

从神经到肉的神经脉冲传递障碍，如重症无力。

The good news is is that treatment has been able to reduce mortality from myasthenia gravis.

好消息是现在的治疗方案可以降低重症无力的死亡率。

When motor nerves supplying the muscles are affected, there's initially muscle weakness and an absence of reflexes.

当支配肉的运动神经受损，患者会感到无力以及反射消失。

Finally, a lot of people with myasthenia gravis undergo surgical removal of the thymus.

最终，许多重症无力患者会进行胸腺切除术。

Myasthenia gravis is also treated with immunosuppressive drugs (like prednisone), which reduce the production of the harmful antibodies.

重症无力也可使用免疫抑制药物（如强的松）治疗以减少有害抗体的产生。

It's caused by two things — tight hip flexors and weak glutes.

它是由两件事引起的——髋屈紧绷和臀无力。

The word for this state is atony.

种状态称为无力。

Mild hyperkalemia is often without symptoms, although some patients may develop muscle weakness.

轻度高钾血症通常无症状，尽管有些患者可能出现无力。

Despite TB treatment, she continued to have mild proximal muscle weakness and elevated creatine kinase levels.

尽管接受了结核病治疗，她仍持续出现轻度近端无力及酸激酶水平升高。

Tumors on the sympathetic chain might also grow into the spine, causing neurologic symptoms, like muscle weakness or bowel and bladder problems.

交感神经链的肿瘤也有可能生长到脊柱，导致神经系统症状，如无力或肠道及膀胱问题。

In severe cases, the inability to process methionine can lead to neurological problems and muscle weakness, among other problems in the nervous system.

在严重的例子中，处理甲硫氨酸的无能会导致神经性的障碍无力和其他神经系统的问题。

Motor symptoms can include muscle weakness, muscle spasms, tremors, and ataxia, which is a loss of balance and coordination.

运动症状包括无力、痉挛、震颤和共济失调（失去平衡和协调运动）。

This seems to reduce the muscle weakness symptoms even in people that don't appear to have any identifiable problems with the thymus gland itself.

似乎可以减轻重症无力症状，即使那些患者的胸腺本身没有问题。

The low potassium or hypokalemia is particularly worrisome because it can lead to muscle weakness and even cardiac arrhythmias, the latter of which can lead to death.

其中低血钾是尤其危险的，因为它能导致无力甚至心律失常，后者可危及生命。