<ul id="6o8u8"></ul>
<small id="6o8u8"></small>
Seal candidates execute stomach crunches with a log on their chest to hamper movement.[CFP]
![Seal candidates execute stomach crunches with a log on their chest to hamper movement.[CFP]](http://images.china.cn/attachement/jpg/site1007/20090422/000bcdb95f1d0b58b7251b.jpg "Seal candidates execute stomach crunches with a log on their chest to hamper movement.[CFP]")