Sudden drop in ground support produces force-related unload response in human overground walking

Journal of Neurophysiology

Volumn 101, Issue 4, 2009, Pages 1705-1712

  Af Klint, Richard ^a,c   Nielsen, Jens Bo ^b   Sinkjaer, Thomas ^a   Grey, Michael J ^b  

^a AALBORG UNIVERSITY   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

^c Center of Sensory Motor Interaction   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ANKLE; ARTICLE; CONTROLLED STUDY; FEEDBACK SYSTEM; FEMALE; HUMAN; HUMAN EXPERIMENT; LIMB MOVEMENT; MALE; MUSCLE CONTRACTION; MUSCLE SPINDLE AFFERENT NERVE; NORMAL HUMAN; ORTHOTICS; PLANTARIS MUSCLE; PRIORITY JOURNAL; SENSORY SYSTEM; SOLEUS MUSCLE; STANDING; VESTIBULAR SYSTEM; WALKING;

ADAPTATION, PHYSIOLOGICAL; ADULT; AFFERENT PATHWAYS; ANKLE JOINT; BIOMECHANICS; ELECTROMYOGRAPHY; FEEDBACK; FEMALE; HUMANS; MALE; MUSCLE, SKELETAL; POSTURE; PROPRIOCEPTION; RANGE OF MOTION, ARTICULAR; REACTION TIME; TIME FACTORS; WALKING; WEIGHT-BEARING; YOUNG ADULT;

EID: 65949123136     PISSN: 00223077     EISSN: 15221598     Source Type: Journal    
DOI: 10.1152/jn.91175.2008     Document Type: Article

References (30)

1. af Klint R, Mazzaro N, Nielsen JB, Sinkjaer T, Grey MJ. Triceps surae activity is covariant with ankle kinematics and Achilles tendon force during over ground human walking [Abstract]. Soc Neurosci Abstr 349.11, 2006.
2. af Klint R, Nielsen JB, Cole JD, Sinkjaer T, Grey MJ. Within-step modulation of leg muscle activity by afferent feedback in human walking. J Physiol 586: 4643-4648, 2008.
3. Bachmann V, Muller R, van Hedel HJ, Dietz V. Vertical perturbations of human gait: organisation and adaptation of leg muscle responses. Exp Brain Res 186: 123-130, 2008.
4. Britton TC, Day BL, Brown P, Rothwell JC, Thompson PD, Marsden CD. Postural electromyographic responses in the arm and leg following galvanic vestibular stimulation in man. Exp Brain Res 94: 143-151, 1993. (Pubitemid 23219196)
5. Burke D, Hagbarth KE, Lofstedt L. Muscle spindle activity in man during shortening and lengthening contractions. J Physiol 277: 131-142, 1978. (Pubitemid 8376805)
6. Curran-Everett D, Benos DJ. Guidelines for reporting statistics in journals published by the American Physiological Society: the sequel. Adv Physiol Educ 31: 295-298, 2007.
7. Dietz V, Quintern J, Berger W. Corrective reactions to stumbling in man: functional significance of spinal and transcortical reflexes. Neurosci Lett 44: 131-135, 1984. (Pubitemid 14161580)
8. Donelan JM, Pearson KG. Contribution of force feedback to ankle extensor activity in decerebrate walking cats. J Neurophysiol 92: 2093-2104, 2004a. (Pubitemid 39298666)
9. Donelan JM, Pearson KG. Contribution of sensory feedback to ongoing ankle extensor activity during the stance phase of walking. Can J Physiol Pharmacol 82: 589-598, 2004b.
10. Duysens J, Clarac F, Cruse H. Load-regulating mechanisms in gait and posture: comparative aspects. Physiol Rev 80: 83-133, 2000. (Pubitemid 30060562)
11. Faist M, Hoefer C, Hodapp M, Dietz V, Berger W, Duysens J. In humans Ib facilitation depends on locomotion while suppression of Ib inhibition requires loading. Brain Res 1076: 87-92, 2006. (Pubitemid 43376026)
12. Fitzpatrick R, Burke D, Gandevia SC. Task-dependent reflex responses and movement illusions evoked by galvanic vestibular stimulation in standing humans. J Physiol 478: 363-372, 1994. (Pubitemid 24232207)
13. Grey MJ, Mazzaro N, Nielsen JB, Sinkjaer T. Ankle extensor proprioceptors contribute to the enhancement of the soleus EMG during the stance phase of human walking. Can J Physiol Pharmacol 82: 610-616, 2004. (Pubitemid 40065106)
14. Grey MJ, Nielsen JB, Mazzaro N, Sinkjaer T. Positive force feedback in human walking. J Physiol 581: 99-105, 2007. (Pubitemid 46712030)
15. Harkema SJ, Hurley SL, Patel UK, Requejo PS, Dobkin BH, Edgerton VR. Human lumbosacral spinal cord interprets loading during stepping. J Neurophysiol 77: 797-811, 1997.
16. Horstmann GA, Dietz V. The contribution of vestibular input to the stabilization of human posture: a new experimental approach. Neurosci Lett 95: 179-184, 1988. (Pubitemid 18280385)
17. Komi PV, Fukashiro S, Jarvinen M. Biomechanical loading of Achilles tendon during normal locomotion. Clin Sports Med 11: 521-531, 1992.
18. Loram ID, Maganaris CN, Lakie M. Paradoxical muscle movement in human standing. J Physiol 556: 683-689, 2004. (Pubitemid 38660307)
19. Marigold DS, Patla AE. Strategies for dynamic stability during locomotion on a slippery surface: effects of prior experience and knowledge. J Neurophysiol 88: 339-353, 2002. (Pubitemid 34755356)
20. Nakazawa K, Kawashima N, Akai M, Yano H. On the reflex coactivation of ankle flexor and extensor muscles induced by a sudden drop of support surface during walking in humans. J Appl Physiol 96: 604-611, 2004. (Pubitemid 38140162)
21. Nielsen JB, Sinkjaer T. Afferent feedback in the control of human gait. J Electromyogr Kinesiol 12: 213-217, 2002. (Pubitemid 34665462)
22. Pearson KG. Generating the walking gait: role of sensory feedback. Prog Brain Res 143: 123-129, 2004.
23. Prochazka A, Wand P. Tendon organ discharge during voluntary movements in cats. J Physiol 303: 385-390, 1980. (Pubitemid 10078594)
24. Sinkjaer T, Andersen JB, Ladouceur M, Christensen LOD, Nielsen JB. Major role for sensory feedback in soleus EMG activity in the stance phase of walking in man. J Physiol 523: 817-827, 2000. (Pubitemid 30153838)
25. Sinkjaer T, Andersen JB, Larsen B. Soleus stretch reflex modulation during gait in humans. J Neurophysiol 76: 1112-1120, 1996. (Pubitemid 26284593)
26. Stephens MJ, Yang JF. Loading during the stance phase of walking in humans increases the extensor EMG amplitude but does not change the duration of the step cycle. Exp Brain Res 124: 363-370, 1999. (Pubitemid 29132510)
27. van der Linden MH, Marigold DS, Gabreels FJ, Duysens J. Muscle reflexes and synergies triggered by an unexpected support surface height during walking. J Neurophysiol 97: 3639-3650, 2007. (Pubitemid 47084776)
28. van Doornik J, Sinkjaer T. Hydraulically actuated platform for human gait and posture analysis [Abstract]. 2nd IASTED Int Conf Biomed Eng, 2004, Innsbruck, Austria.
29. Yang JF, Stein RB, James KB. Contribution of peripheral afferents to the activation of the soleus muscle during walking in humans. Exp Brain Res 87: 679-687, 1991.
30. Zehr EP, Stein RB. What functions do reflexes serve during human locomotion? Prog Neurobiol 58: 185-205, 1999.