If you're truly a monster, try doing leg lifts with a medicine ball hanging from your feet. Or hang from a pull up bar and raise your legs in front of you all the way up to the bar.

如果你真是一个牛人的话，试着在脚上系个健身实心球，或是在双杠上练习悬垂举腿，把腿一直举到双杠上面。

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This paper made a comprehensive analysis of the reasons for non-normal failure of breaking head, collet and pull bar of PTM and further brought up the solution to it.

主要分析了电解多功能天车打壳机构中打击头、夹套、拉杆非正常失效的原因，并提出了解决的方案。

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Combination: Arm extension, horizontal bar, pull-up, stepper trainer, waist Twister.

包含：上肢牵引器、单杠、引体向上、台阶训练器、扭腰器。

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Exercising at the pull-up bar brings a camaraderie that you don't see among weight lifters, Yasin said.

CNN: 'Bartendaz' empower youth with acrobatic exercise

O'Leary has similar clients try a horizontal pull-up at home with a pull-up bar in a doorway (from lying on ground) or with a similar setup at the gym (lying on a bench with a fixed horizontal bar set up above).

CNN: What kind of strength work won't aggravate rotator cuff issue?

After high-fiving one another for successfully naming 10 fruits that promote good health, the Crossroads South students gave a standing ovation for their classmates as they joined the Bartendaz for compound moves on the pull-up bar and on the floor for pushups.

CNN: 'Bartendaz' empower youth with acrobatic exercise