The phrase "stance position" refers to the way someone stands or positions their body. It is the way you hold yourself or stand, which can convey different meanings or attitudes, such as confidence, defensiveness, or attentiveness. Full definition
By staying in the split squat stance position you keep the tension on your legs as opposed to stepping forward / back and releasing the tension. (onnit.com)
Use a split stance position and rest your upper body on your thigh. (ptinto.com)
From the power stance position swing the kettlebell back between your legs and then forward as you powerfully snap your hips and contract your glutes and quads. (womenshealthandfitness.com.au)