Lower chest to ground, arch back on upward phase. Mistakes: Not engaging core, arching back too much.
Maintain a flat back, pull weights to waist. Mistakes: Rounding back, jerking weights.
Pull KB towards waist, step back into lunge. Mistakes: Rounding back, not stepping back fully.
Maintain a slight bend in elbows, control the descent. Mistakes: Swinging weights, using back momentum.