"The pull-up is considered complete once your chin breaks the plane of the pull-up bar. No need to lift your entire head above the bar. It kills me to watch Marines waste energy going all the way up past the bar."
What exactly does "the plane of the pull-up bar" mean in this context?
Top answer
The horizontal plane at the height of the bar. The sentences that follow that phrase explain well enough, I think.
— Mister Micawber
The horizontal plane at the height of the bar.
The sentences that follow that phrase explain well enough, I think.
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It is not that finely descriminated, Anon. The discussion is about chin-ups, not precision engineering. However, if you read the following sentences, you should be able to see that the fellow is not going to put his chin or head through the bar — that would be very painful.