BUCHALTER, D. Three-dimensional spinal motion measurements. Part 2 : A noninvasive assessment of lumbar brace immobilization of the spine. J Spinal Disorders. 1989, 1, 284-286
FARFAN, HF. Muscular mechanism of the lumbar spine and the position of power and efficiency. Orthop Clin North A. 1975, 8, 135-144
FLOYD, WF. Function of erectores spinae in flexion of the trunk. Lancet. 1951, 1, 133-134
KIPPERS, V. Posture related to myoelectric silence of erectores spinae during trunk flexion. Spine. 1984, 9, 740-745