9Golf B. The application of recent advances in neurophysiology to Miss R Rood's concept of neuromuscular facilitation. Physiotherapy, 1972,58 (2) : 409 -- 415.
10Bergmark A. Stability of the lumbar spine:a study in mechanical engineering. Acta Orthop Scand Suppl. 1989,230 : 1 - 54.
