noun ·Rare ·Advanced level
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"Compare the actions of the humerus during the performance of a chin-up with supinated grip with those during the performance of a chin-up with pronated grip. Are the chin-ups alike or different with respect to muscle involvement?"
"You know you're in pathetic shape when you can't even do one chin-up."
(US) An exercise done for strengthening the arms and back, in which one lifts one's own weight while hanging from a bar. It can be defined more restrictively on criteria like the arms starting at lock-out, or the chin requiring contact with the bottom of the bar, or touching the neck to the bar. Palms may be facing in any direction.
Common synonyms include: chinned, chinning, pull up, pull-up.
You know you're in pathetic shape when you can't even do one chin-up.
Pronounced /ˈtʃɪn.ʌp/.
From chin + up, but not a deverbal, unlike pull-up. The chin-up and the muscle-up as variations of pulling oneself upward were named later than the pull-up, with influence from its name.