The Segmental Motor System

Douglas G. Stuart: Henneman's contributions in historical perspective; Section I: Properties and functional organization of segmental motor systems: Gerald E. Loeb: The functional organization of muscles, motor units, and tasks; Daniel Kernell: Spinal motoneurons and their muscle fibers: mechanisms and long-term consequences of common activation patterns; V. C. Abrahams, P. K. Rose, & F. J. R. Richmond: Properties and control of the neck musculature; Section II: The orderly recruitment of motor units: Blair Calancie, & Parveen Bawa: Motor unit recruitment in man; Felix E. Zajac: Coupling of recruitment order to the force produced by motor units: The "size principle hypothesis" revisited; Albert J. Berger: Orderly recruitment of phrenic motoneurons; Section III: Properties of motoneurons: Wilfrid Rall: Perspectives on neuron modeling; V. R. Edgerton, R. R. Roy, & G. R. Chalmers: Does the size principle give insight into the energy requirements of motoneurons?; Martin J. Pinter: The role of motoneuron membrane properties in the determination of recruitment order; C. J. Heckman, Marc D. Binder: Neural mechanisms underlying the orderly recruitment of motoneurons; Section IV: Properties of motor units and muscle fibers: R. E. Burke: Motor unit types: some history and unsettled issues; Stephen J. Goldberg: Mechanical properties of extraocular motor units; H. Peter Clamann: Changes that occur in motor units during activity; Patti M. Nemeth: Metabolic fiber types and influences on their transformations; Richard B. Stein, Tessa Gordon, & Joanne Totosy de Zepetnek: Mechanisms for respecifying muscle properties following reinnervation; Section V: Synaptic inputs to motoneurons: John B. Munson: Synaptic inputs to type-identified motor units; Lorne M. Mendell, William F. Collins, III, & H. Richard Koerber: How are Ia synapses distributed on spinal motoneurons to permit orderly recruitment?; Hans R. Luscher: Transmission failure and its relief in the spinal monosynaptic reflex arc; P. Rudomin: Presynaptic control of synaptic effectiveness of muscle spindle and tendon organ afferents in the mammalian spinal cord; E. E. Fetz, & P. D. Cheney: Functional properties of primate corticomotoneuronal cells: Comparisons with spindle afferents and motor units.