5 Exercises to Work Up To Your First Pull-Up - Squarespace
Three of these four muscles do not lengthen or shorten during pull-ups. (and hence are listed as acting isometrically). The supraspinatus, however, lengthens ...
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Three of these four muscles do not lengthen or shorten during pull-ups. (and hence are listed as acting isometrically). The supraspinatus, however, lengthens ...
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