In a cossack squat, you’re working in the frontal plane, which is a fancy way of saying side to side. Most leg exercises — like squats, lunges, and deadlifts — are performed in the sagittal plane, or front to back.
Why is hip internal rotation important for squat?
They not only move the leg away from the body, they also help rotate the leg at the hip joint. The hip abductors are necessary for staying stable when walking or standing on one leg. Weakness in these muscles can cause pain and interfere with proper movement.
Is Cossack an ethnicity?
Generally speaking, Cossacks are not Slavs and they’re recognized as an ethnicity in the 2010 Russian Population Census.