Every time you get a junk message, do 10 sit-ups or any other work-out you find most effective.

your capacity to do so will atrophy just like your stomach muscles if you stop doing sit-ups

你的能力就会像你的腹部肌肉一样在停止做仰卧起坐之后会出现萎缩

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Please see VideoJug's "How to do sit-ups" for the perfect technique.

可以看一下本网站“怎样做仰卧起坐”视频节目，了解一下做仰卧起坐的技巧。

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That's how you do a traditional sit-up, an exercise many of us have been doing since elementary school.

这是传统仰卧起坐的姿势，很多人从小学就开始接触这项运动了。

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She said I could do that by doing sit-ups and jumping jacks for two weeks.

她说我要是能把仰卧起坐和开合跳坚持两周她就相信我。

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As a result, many fitness gurus are abandoning sit-ups.

因此许多健身达人不再做仰卧起坐了。

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If you're bored of sit-ups, try this exercise instead.

你厌烦了做仰卧起坐，试试练习。

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We do sit-ups to make our muscles strong.

我们做仰卧起坐来使我们的肌肉强壮。

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In addition to its health disadvantages, the sit-up is also seen as lacking efficiency.

除了不利于健康，仰卧起坐还被视为低效运动。

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Applying Study on The Effects of Cooperative Learning on Teaching of Sit-Up in Junior Girl Students of High School

合作学习法在高一女生仰卧起坐练习中的应用研究

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Some people seem to be more prone to back problems caused by sit-ups than others.

对于有些人来说，仰卧起坐似乎更容易产生腰背问题。

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When you get out of bed each morning, do five sit-ups first.

每天早上起床时先做五个仰卧起坐。

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So sit-ups might lead to back pain, but only in some people.

所以，对一部分人来说，仰卧起坐可能导致背部疼痛。

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That's fifty more sit-ups. One, two.

那得再做五十个仰卧起坐。

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Sit-ups level a slow down and down trend is obvious.

仰卧起坐水平有下降趋势并且下降趋势明显。

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Comparison and Analysis of the Punching Shear Capacity in New and Old Specifications

新旧规范中混凝土抗冲切承载力验算的对比与分析

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Stiffness Matrix Formulation of Thick Beams Based on High Order Shear Deformation Theory

按高阶理论考虑剪切变形影响的梁单元刚度矩阵

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Twin shear stress three parameter criterion and its corner model

双剪应力三参数准则及其角隅模型

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Study on direct soil shear test automatically

土直剪试验自动化的研究

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Experiment Analysis for Shear Break of Aluminum Alloy Material

铝合金材料剪切断裂实验分析

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Effects of Shear Plane Boundary Condition on Depth of Surface Work hardening

剪切面边界条件对工件表面层加工硬化深度的影响

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