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Loads on lumbar vertebrae during hang power clean cycle. (a) Shear force on L1; (b) Axial compression on L1; (c) Bending moment in sagittal plane on L1; (d) Shear force on L5; (e) Axial compression on L5; (f) Bending moment in sagittal plane on L5. For all the data reported, vertical dotted lines indicate completion of the second pull.
