Muscle Receptors and Movement: Proceedings of a Symposium held at the Sherrington School of Physiology, St Thomas’s Hospital Medical School, London, on July 8th and 9th, 1980

Front Matter....Pages i-xviii
Front Matter....Pages 1-1
Overview....Pages 3-3
Structural aspects of fusimotor effects on spindle sensitivity....Pages 5-16
The action of the three types of intrafusal fibre in isolated cat muscle spindles on the dynamic and length sensitivities of primary and secondary sensory endings....Pages 17-32
Nature of the dynamic response and its relation to the high sensitivity of muscle spindles to small changes in length....Pages 33-43
A critique of the paper by Houk, Rymer and Crago....Pages 45-50
Fusimotor actions on the sensitivity of spindle secondary endings....Pages 51-66
Muscle stretch as a way of detecting brief activation of bag1 fibres by dynamic axons....Pages 67-76
Security of driving of Ia afferents by vibration that simultaneously elicits a tonic vibration reflex....Pages 77-81
Front Matter....Pages 83-83
Overview....Pages 85-86
Electrophysiological characteristics of spinal gamma motoneurons in the cat....Pages 87-96
Selective central control of dynamic gamma motoneurons utilised for the functional classification of gamma cells....Pages 97-108
The activity of intrafusal muscle fibres during central stimulation in the cat....Pages 109-122
A critique of the papers by Westbury, Appelberg and Gladden....Pages 123-128
A critique of the papers by Westbury and by Appelberg....Pages 129-135
Autogenetic effects from spindle primary endings and tendon organs on the discharge of gamma motoneurons in the cat....Pages 137-148
Reflex activation of dynamic fusimotor neurons by natural stimulation of muscle and joint receptor afferent units....Pages 149-161
Functional roles of fusimotor and skeletofusimotor neurons studied in the decerebrate cat....Pages 163-177
Distinctive modes of static and dynamic fusimotor drive in jaw muscles....Pages 179-192
A critique of the papers by Ellaway, Murphy and Trott; Appelberg, Hulliger and Sojka; Rymer, Post and Edwards; and Taylor and Appenteng....Pages 193-198
Cutaneous and proprioceptive reflex effects on intact muscle efferents and afferents....Pages 199-205
Front Matter....Pages 83-83
Autogenetic and antagonistic group II effects on extensor gamma motoneurons of the decerebrate cat....Pages 207-213
Front Matter....Pages 215-215
Overview....Pages 217-217
Muscle spindle function during normal and perturbed locomotion in cats....Pages 219-228
Independence of fusimotor and skeletomotor systems during voluntary movement....Pages 229-243
A critique of the papers by Loeb and Hoffer and Prochazka and Wand....Pages 245-247
A critique of the papers by Loeb and Hoffer; and Prochazka and Wand....Pages 249-255
Muscle spindle responses to rapid stretching in normal cats....Pages 257-261
Basic patterns of muscle spindle discharge in man....Pages 263-275
Fusimotor and stretch reflex functions studied in recordings from muscle spindle afferents in man....Pages 277-285
A critique of the papers by Vallbo and Hagbarth....Pages 287-290
A critique of the papers by Hagbarth and Vallbo....Pages 291-294
Front Matter....Pages 295-295
Overview....Pages 297-298
Function of the spindle dynamic response in stiffness regulation—a predictive mechanism provided by non-linear feedback....Pages 299-309
Limitations in the servo-regulation of soleus muscle stiffness in premammillary cats....Pages 311-324
Observations on the control of human ankle position by stretch reflexes....Pages 325-337
Contribution of spinal stretch reflexes to the activity of leg muscles in running....Pages 339-346
A critique of the papers by Houk, Crago and Rymer; Hoffer and Andreassen; Allum; and Dietz....Pages 347-354
A critique of the papers by Houk, Crago and Rymer; Hoffer and Andreassen; Allum; and Dietz....Pages 355-363
Muscle stiffness and locomotion....Pages 365-372
Examination of stretch reflexes in biceps and triceps muscles of the human arm using pseudo-random stimulation....Pages 373-379
Front Matter....Pages 295-295
Area display of H, M and T Waves....Pages 381-387
State-dependent responses during locomotion....Pages 389-402
Phasic gating of cutaneous reflexes during locomotion....Pages 403-412
Changes in segmental and propriospinal reflex pathways during spinal locomotion....Pages 413-425
On the feedback control of the cat’s hindlimb during locomotion....Pages 427-431
A critique of the papers by Rossignol, Julien, Gauthier and Lund; Forssberg; Schomburg, Behrends and Steffens; and Andersson and Grillner....Pages 433-436
A critique of the papers by Rossignol, Julien, Gauthier and Lund; Forssberg; Schomburg, Behrends and Steffens; and Andersson and Grillner....Pages 437-446