Lumbar hyperextends on the overhead press
Lower back arches as the dumbbells are pressed at the lunge bottom.
Overactive muscles
Erector spinaeLatissimus dorsi
Corrective work
Foam RollLats↗StretchLat stretch (kneeling overhead)↗Lower back arches as the dumbbells are pressed at the lunge bottom.
Adductors dominate under the combined lunge and press demand.