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There a few muscle groups that are heavily used while climbing: Lats: The side muscles of your back. Also termed as wings. Biceps. Forearms (one of the first to tire out). Calves (for most of you...
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There a few muscle groups that are heavily used while climbing: Lats: The side muscles of your back. Also termed as wings. Biceps. Forearms (one of the first to tire out). Calves (for most of you...