Stone pulls the trunk into a deep forward lean
Erectors and core fail to maintain the upright carry position.
Overactive muscles
Erector spinaeHip flexors
Corrective work
Foam RollErector spinae↗StretchHalf-kneeling hip flexor stretch↗Erectors and core fail to maintain the upright carry position.
Thoracic kyphosis increases as the pecs hug the stone inward.