what other muscles are used in plank
About the Plank Exercise: The plank exercise is a great way to build endurance in the abdominals as well as the back, and the stabilizer muscles. Building on the core muscles this exercise can prove quite more effective than most other ab exercises in a shorter period of time. Muscles Used in the Plank Exercise: All of your core muscles are used during the plank exercise including: rectus abdominus, transverse abdominals, lower back extensors, and even a slight use of the obliques and abdominals groups.