We can't figure out which specific muscles are used in this exercise, but that's because this man's on a higher level than us. Look at that! He did about six reps of ...whatever this is. It probably helps his core.
[Uproxx]
We can't figure out which specific muscles are used in this exercise, but that's because this man's on a higher level than us. Look at that! He did about six reps of ...whatever this is. It probably helps his core.
[Uproxx]