肱三头肌使手肘伸展，伸直手臂。
要伸直手臂，背面的肌肉就得收缩。
To unbend the arm other muscles in the back of the arm have to shorten.
要始终先热身，然后伸直手臂进行攀爬。
Always stretch your forearms after warming up and prior to climbing.
站在桌边，伸直手臂，手指向内，手掌放在桌上。
Stand at your desk, and, arms straight, place your palms on the desk with your fingers pointed toward you.
攀岩技术包括伸直手臂，攀爬时的身体转动和旗式平衡。
Climbing techniques covered include straight arms, turning when climbing, and the climbing flag.
然而，囚犯们被痛苦地捆绑或被迫伸直手臂站立的照片很少见。
Yet pictures of prisoners bound in painful positions, or made to stand with outstretched arms, are infrequent.
攀爬练习：攀爬者会发现如果转动身体，伸直手臂会变得更加容易。
Climbing Exercise: Climbers will find that straightening their arms is easier if they also turn their bodies.
解决这个问题的一个办法就是首先伸直手臂倾斜着离开岩壁，然后向内向上跳跃。
A way of solving this is to dyno inwards by starting with more or less straight arms leaning out from the rock, and then through yourself inwards, upwards.
如果你向侧面伸直，或者在身前伸直手臂，你的手臂就会失去这个杠杆作用。
If you reach out to the side, or reach out in front of you, the arm straightens and loses leverage.
最后，让一只脚摆动来帮助你获得较低的重心，从而可以伸直手臂节省能量。
Finally, letting one foot dangle can help you attain a lower body position and thus save energy by allowing you to hang from straight arms.
攀爬练习：当思考如何抓下个点时，攀爬者可以抓着当前的手点，降低重心、伸直手臂。
Climbing Exercise: When contemplating how to get to the next handhold, a climber can lower down on the current handholds to totally straighten his or her arms.
她离开窗口，扒拉着地板上的一堆报纸，找出《国际先驱论坛报》，然后伸直手臂，好像拿放了一天的鱼似的拿着它。
She turns from the window, PAWS through a stack on the floor, and produces an International Herald Tribune, holding it at arm's length like a day-old fish.
他们感受不到脚底的存在，他们不知道自己的手指和手掌何时有力地张开平放在地面上，他们也不能够一次将手臂伸直或展开四头肌维持几秒钟。
They don't know when their fingers are spread wide and their palms are flat against the ground. Nor can they hold their arms straight or their quadriceps engaged for more than a few seconds at a time.
延伸手臂向前，保持手肘伸直。
首先，将手臂伸直，使你的整个身体悬挂在一个休息位上以便体会踩点的方式。
Silent Feet Frontstep Method: First, straighten your arms, hanging in a rest position on your skeleton to survey your foothold options.
她同时还有一双轻微变形的前臂，看上去像自己施以手臂纵向伸直了一段很长时间——可能由于祈祷所致。
She also had slightly deformed forearms, apparently something self-inflicted by having the arms extended vertically for long periods of time - perhaps as a result of a praying.
保持背部挺直，向上推你的手臂直到手臂伸直。
Keeping your back straight, push up with your arms until your arms are extended.
吸气，手臂伸直向上到上犬式。胸腔向天空打开。
Inhale straighten the arms to upward facing dog. Opening your heart to the sky.
u保持手臂伸直，把手掌朝身体两侧慢慢降低。
Keep your arms extended and slowly lower your hands to either side of your body.
u把两只手臂朝前方伸直。
你要拿起洗发水，手臂向上伸直，紧贴耳朵，然后只要将手肘向后弯曲90度，再将手肘伸直。
So you want to take your shampoo, hold your arm straight up, keep your arm right next to your ear, and then simply bend your elbow to ninety degree, and then lift it back up.
若座位远离转向盘，则手臂几乎伸直，撞车时直来直去的手臂很容易折断。
If seat away from the steering wheel, the arm unbend, almost crash straight arm is easy to break.
吸气，起身直立，手臂向上伸直至头顶。
保持左手臂伸直，慢慢地把左手腕朝上弯曲直到感到拉力。
Keeping the left elbow straight, slowly bend the left wrist upward until you feel a stretch.
进入体式后，集中于将小臂向内拉、上臂肌肉挤进骨头，知道手臂伸直。
While you are in the pose, concentrate on drawing the forearms in and squeezing the upper arms to the bones until the arms are straight.
前腿伸直，手臂自然伸展，但是不要停止运动，抬头挺胸。
Have your front leg straight your arms comfortably extended but not locked out your back straight and your head up.
前臂和手入水——小指领先，直接地由上方且仅沿肩的外侧让手臂完全伸直，伴随身体转动至允许入水手到达抓水的深度。
Forearm and hand entry - Pinky first, directly above and just outside the shoulder with arm fully extended, with body rotation allowing entry hand to reach deep into the catch.
幽灵步之正脚步法：首先，将手臂伸直，使你的整个身体悬挂在一个休息位上以便体会踩点的方式。
Silent Feet Frontstep Method: First, straighten your arms, hanging in a rest position on your skeleton to survey your foothold options.
幽灵步之正脚步法：首先，将手臂伸直，使你的整个身体悬挂在一个休息位上以便体会踩点的方式。
Silent Feet Frontstep Method: First, straighten your arms, hanging in a rest position on your skeleton to survey your foothold options.
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