Quality criteria for this movement:

Quality criteria are a series of boxes that must be ticked to ensure good quality, safe, efficient and effective movement. These criteria don’t cover the start, mid and end points of a repetition, but the quality of what happens between these points. For optimal movement patterns, only repetitions that meet these criteria should be counted.

  • No rounding of lower back.
  • No rounding of upper back.
  • No ‘forward swing’ of bar.
  • Simultaneous lock of knees and hips.
  • No hyperextension of lower back in lockout.
  • Shoulders back in lockout.
  • Knees staying apart.