Lewis Hine- 3 youth girls of back,1917 {Lewis Hine documented working and living conditions of children in the United States between 1908 and 1924.This one is the Incorrect sitting position for postural deformity and dorsal curvature cases Unfavorable

Lewis Hine- 3 youth girls of back,1917 {Lewis Hine documented working and living conditions of children in the United States between 1908 and 1924.This one is the Incorrect sitting position for postural deformity and dorsal curvature cases Unfavorable

Lewis Hine- 3 youth girls of back,1917 {Lewis Hine documented working and living