%0 Journal Article %A George F. Pennal %A Garson S. Conn %A Glen McDonald %A Gordon Dale %A Henry Garside %T MOTION STUDIES OF THE LUMBAR SPINE %D 1972 %J The Journal of Bone & Joint Surgery British Volume %P 442-452 %V 54-B %N 3 %R 10.1302/0301-620X.54B3.442 %U https://doi.org/10.1302/0301-620X.54B3.442 %K