Centro de Documentacion de Fundación MAPFRE - Relationship between limb movement speed and associated contraction of the trunk muscles

MAP20071500082

Relationship between limb movement speed and associated contraction of the trunk muscles / Paul W. Hodges and Carolyn A. Richardson

Rapid shoulder movement is preceded by contraction of the abdominal muscles to prepare the body for the expected disturbance to postural equilibrium and spinal stability provoked by the reactive forces resulting from the movement. The magnitude of the reactive forces is proportional to the inertia of the limb. The aim of the study was to investigate if changes in the reaction time latency of the abdominal muscles was associated with variation in the magnitude of the reactive shoulder flexion at three different speeds (fast, natural and slow)

En: Ergonomics. - London [etc.]. - Vol. 40, nº 11, November 1997 ; p. 1220-1230

1. Ergonomía . 2. Postura . 3. Lumbalgia . 4. Contracciones musculares . 5. Lesiones musculares . 6. Tiempo de reacción . 7. Métodos de análisis . I. Richardson, Carolyn A. . II. Título.