从下面的动图我们可以看到,要做一个仰卧起坐situp,你的背部需要平躺在地面上,膝盖弯曲,双脚平放在地面上,将手在胸前交叉触摸肩膀,慢慢的受控制的运动,将胸部移向膝盖,直到躯干完全垂直,回到起始位置并重复动作。 crunches仰卧卷腹基本上是压缩了仰...
crunches n. 仰卧起坐；仰身（crunch的复数） v. 嘎吱嘎吱地咀嚼；嘎吱地压过（crunch的三单形式） sit ups 仰卧起坐，仰卧起坐教练 do sit-ups 锻炼身体的一种练习，仰卧起坐 Punching Sit-ups 拳击式仰卧起坐 crunchesn. 仰卧起坐；仰身（crunch的复数）v. 嘎吱嘎吱地咀嚼；嘎吱地压过（crunch...
If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. “The main difference between the two is that unlike a sit-up, in a crunch, ...
Kevin Reilly
Stop Doing Sit-Ups: Why Crunches Don't Work June, 2009 and this article also quotes it Everyone knows that the road to flat, tight abs is paved with crunches. Lots and lots and lots of excruciating crunches. Or is it? As it turns out, the exercises synonymous with strong, attractive...
In my view, they ought to scrap the current PT test (pushups, situps, run) for a four-mile march with a standard uniform and weapon. Letters For people suffering from osteoporosis, abdominal crunches, situps and other common exercises that bend the spine can cause back pain or, worse ye...
How to do Crunches / Jackknife Sit-ups? Performing the 7 steps below, you will be able to do this exercise properly: Lay down on an exercising mat facing your back towards the mat and extend your arms across your head and also extend your legs completely. ...
–Markyour current maximum score for your test (62 in 2 minutes). Do the type of exercise you will be tested:Situps— hands behind head with elbows toughing knees,curl ups— hands crossed on chest with elbows touching knees, orcrunches— hands crossed on chest with elbow toughing lower ...
Avoid pulling on your head or making a jerking motion -- use your abdominals to come up. If your abdominals are too weak to perform situps, lift only your head, shoulders and shoulder blades off the floor and perform crunches to gain abdominal strength. Once you've mastered situps with...
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