Chin-ups


The chin-up (also known as a chin or chinup) is a strength training exercise. People frequently do this exercise with the intention of strengthening muscles such as the latissimus dorsi and biceps, which extend the shoulder and flex the elbow, respectively.[1]

It is a form of pull-up in which the range of motion is established in relation to a person’s chin.

In the 1970s[2] and 1980s, the term chin-up not only included an overhand/pronated (“palms away”) grip,[3][4] but some authors used it as the default meaning of the term,[5] with an underhand/supinated (“palms toward”) grip called a “reverse” grip.[6][7] Even in the 2010s “chin-up” still includes palms-away lifting.[8] The term “chin-up” is still regularly used refer to pulling using an overhand-grip.[9][10][11]

Both pull-ups and chin-ups are two of the best[citation needed] exercises for back and overall upper body conditioning. However, they target the muscles a bit differently. Both exercises will work the latissimus dorsi and biceps, but standard chin-ups—with an underhand grip—place more emphasis on the biceps.
Source of the text: Wikipedia

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