Strengthening these muscles with a series of eye exercises will prevent eye strain effectively.
通过一系列眼部运动来增强这些肌肉，可以有效预防眼睛疲劳。
When we do the same movements with our bodies over and over again, we overuse some muscles and that overuse can lead to strain and injury.
当我们的身体一遍又一遍地做同样的动作时，会过度使用一些肌肉，从而导致劳损和受伤。
You should try not to place too much strain on muscles and joints.
你要尽量不让肌肉和关节太吃力。
The stomach muscles actually support the back; if their tone is poor, you tend to sag and your back then takes the strain.
事实上，胃部肌肉起到支撑后背的作用，如果它们软弱无力，你就容易弯腰驼背，后背僵硬。
Calf stretches before, during and after long periods of flattie-wear can help to keep muscles loose and less vulnerable to strain.
长时间穿平底鞋的话，穿鞋前后还有穿着的时候，要时不时拉伸小腿，有助于肌肉放松，避免拉伤。
However, it is important to ensure that your pillow is not too high or too low, as this can strain the muscles and nerves in the neck, leading to head and neck pain in the morning.
不过，确保你的枕头高度恰当十分重要，因为过高或过低都会使背部肌肉和神经紧张，导致早上起床后头部和背部疼痛。
Exercise Your eyes eye strain is caused by tiring the muscles that control the eyes. Stronger muscles mean less strain.
眼保健操，眼疲劳是由控制眼部的肌肉劳累引起的，强壮的肌肉就意味着疲劳感的减少。
Give your eyes time to relax, and a chance to get the blood circulating to prevent eye strain and stiff muscles.
要让眼睛放松，使血液循环尽可能顺畅，以防止眼睛疲劳和肌肉僵硬。
This puts strain on the muscles in the front of your leg, which unfortunately are not strong enough to resist the pulling. Ouch.
由于你连在脚踵上的小腿腓肠肌紧张而无法伸展，引起脚趾被拉低，这让你小腿正面的肌肉受到压力，而你小腿正面肌肉还无法对抗这种拉力，好疼！
Blood volume expands, which reduces the strain on the heart from the increased demand for blood flow to the skin and muscles.
血量增加能降低流向皮肤和肌肉的血液对心脏的压力。
To accomplish this, Baker and van Deursen designed a fast-aging mouse strain that would, upon receiving a drug trigger, expel p16-producing cells from fatty tissues, muscles and eyes.
为了论证这点，Baker和van Deursen繁殖了一组具有快速衰老基因的实验鼠，在这个过程中，对实验鼠施以药物刺激，从而清除脂肪组织、肌肉和眼睛中含有P16的细胞。
Researchers have found that it is a good idea to break up your normal training routine with a different sport as it avoids repetitive strain injuries and increases the strength of joints and muscles.
研究人员发现，进行不同的体育活动，打破以往的训练程序是个很好的主意，因为这样能避免重复性肌肉拉伤，增强关节和肌肉的强度。
Eye strain is caused by tiring the muscles that control the eyes. Stronger muscles mean less strain.
眼保健操，眼疲劳是由控制眼部的肌肉劳累引起的，强壮的肌肉就意味着疲劳感的减少。
It put a tremendous strain on my thigh muscles, but now Dixie was able to wheel me out of the elevator with ease.
我大腿的肌肉被狠狠拉紧，不过迪克西现在能轻易地把我推出电梯了。
It was least pronounced with the 135-degree posture, suggesting less strain is placed on the spinal disks and associated muscles and tendons in a more relaxed sitting position.
而在135度坐姿时，移动最小，说明这时候脊椎所承受的拉力较少，相关肌腱处于较为放松的状态。
Pregnancy and childbirth. This can sometimes overstretch and strain your muscles.
妊娠和分娩。这有时过度扩张和应变你的肌肉。
This will cause strain on your back and neck muscles.
这会对背部及颈部肌肉造成压力。
Lower back strain is acute pain caused by damage to the muscles and ligaments of the back.
腰扭伤是腰部的肌肉、韧带受伤引起的急性疼痛。
The result shows the sports injuries are mainly ankle twist, knees cap damage and strain of lumbar muscles.
结果显示：运动损伤主要为踝关节扭伤，股后肌群拉伤，膑骨劳损，腰背肌损伤等。
A neck strain affects cervical muscles and tendons-bands of fibrous tissue that connect the muscles to bones.
颈部扭伤累及颈部肌肉和肌腱。肌腱是连接肌肉和骨的纤维组织束。
It's possible you could strain your muscles or overdo it when first learning, or you could aggravate an existing condition.
第一次学习你很可能会拉伤肌肉或矫正过枉，或者加剧现有的问题。
Excellent for gardening, golf, bowling, tennis and all activities involving strain on forearm muscles.
能有效舒缓一些活动如哥尔夫、保龄球、网球等活动引起的疼痛。
The action of muscles pulling on bones during exercise is thought to produce "healthy" strain on the skeleton that stimulates the production of new bone, the investigators note.
调查者表示运动时肌肉牵拉骨骼的动作被认为是引起骨骼产生“健康”劳损，刺激新骨的生长。
For example, you can strain your muscles working hard to move a big rock or you can use one of Nature's secrets and use a lever.
例如，你可以紧绷你的肌肉去移动一块巨大的岩石，或许你也可以利用大自然的奥秘之一杠杆来撬动它。
For example, you can strain your muscles working hard to move a big rock or you can use one of Nature's secrets and use a lever.
例如，你可以紧绷你的肌肉去移动一块巨大的岩石，或许你也可以利用大自然的奥秘之一杠杆来撬动它。
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