Originally Posted At: https://breakingmuscle.com/feed/rss
In another article, I addressed the two-jointed muscles (TJM) of the lower body. This discussion will focus on the TJM of the arms: the biceps and triceps. So, here is a quick tutorial on two-jointed muscles: As the name implies, a TJM crosses two joints and performs dual functions. In example, it could be a flexor at one end and either a flexor or an extensor at the other end.
Filed under: Fitness