DOI: 10.1111/j.1748-1716.1980.tb06534.x. The locomotion of the low spinal cat. II. Interlimb coordination

The locomotion of the low spinal cat. II. Interlimb coordination

10.1111/j.1748-1716.1980.tb06534.x

Crossref journal-article

Wiley

Acta Physiologica Scandinavica (311)

Abstract

The interaction of the two hindlimbs were investigated by an analysis of the muscular activity and the movements in 14 chronic spinal kittens during treadmill locomotion (i.e. in kittens subjected to a transection of the spinal cord (Th10–12) one or two weeks after birth). At low speed the limbs were alternating (walk or trot). At higher they were activated more simultaneous, as during gallop. The two limbs could walk at different velocities, as during walking in a circle, when the two belts of the treadmill were driven at different speeds. The duration of the support phases was mainly influenced by the speed of the belt on which the limb was walking. The limbs could still maintain a common rhythm up to a two or three fold speed difference, as the flexion or the first extension phase of the limb walking on the “fast” belt was prolonged and the flexion phase of the “slow limb” was shortened. At extreme speed differences the limb on the “fast belt” performed 2, 3 and even 4 steps during one stepcycle of the “slow limb”. The placement of the feet was found to maintain the most stable relationship during alternating gaits at different speed differences. It is concluded that all phases of the step cycle are modifiable and that there are several mechanisms coordinating the limbs within the spinal cord.

Bibliography

FORSSBERG, H., GRILLNER, S., HALBERTSMA, J., & ROSSIGNOL, S. (1980). The locomotion of the low spinal cat. II. Interlimb coordination. Acta Physiologica Scandinavica, 108(3), 283â295. Portico.

Authors 4

H. FORSSBERG (first)
S. GRILLNER (additional)
J. HALBERTSMA (additional)
S. ROSSIGNOL (additional)

References 34 Referenced 269

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10.1016/0006-8993(72)90295-8
{'key': 'e_1_2_1_4_1', 'first-page': '493', 'article-title': 'Messages conveyed by spinocerebellar pathways during scratching in the cat', 'volume': '151', 'author': 'RSHAVSKY Y. I.', 'year': '1978', 'journal-title': 'II. Activity in neurons of the ventral spinocerebellar tract. Brain Res'} / II. Activity in neurons of the ventral spinocerebellar tract. Brain Res / Messages conveyed by spinocerebellar pathways during scratching in the cat by RSHAVSKY Y. I. (1978)
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{'issue': '235', 'key': 'e_1_2_1_8_1', 'volume': '62', 'author': 'ENGBERG I.', 'year': '1964', 'journal-title': 'Reflexes to foot muscles in the cat. Acta Physiol Scand'} / Reflexes to foot muscles in the cat. Acta Physiol Scand by ENGBERG I. (1964)
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{'key': 'e_1_2_1_13_1', 'article-title': 'Interaction between the two hindlimbs of a spinal cat walking on a split belt. Abstr. from the Third Intern. Conf.', 'volume': '19', 'author': 'FORSSBERG H.', 'year': '1976', 'journal-title': 'on Motor Control, Albena, Bulgaria,'} / on Motor Control, Albena, Bulgaria, / Interaction between the two hindlimbs of a spinal cat walking on a split belt. Abstr. from the Third Intern. Conf. by FORSSBERG H. (1976)
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{'key': 'e_1_2_1_15_1', 'first-page': '1', 'volume-title': 'Models of the structural‐functional organization of certain biological systems', 'author': 'GELFAND I. M.', 'year': '1971'} / Models of the structural‐functional organization of certain biological systems by GELFAND I. M. (1971)
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{'key': 'e_1_2_1_27_1', 'first-page': '171', 'article-title': 'Interaction of symmetrical limbs during controlled locomotion', 'volume': '15', 'author': 'KULAGIN A. S.', 'year': '1970', 'journal-title': 'Biofizika'} / Biofizika / Interaction of symmetrical limbs during controlled locomotion by KULAGIN A. S. (1970)
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{'key': 'e_1_2_1_31_1', 'first-page': '1037', 'article-title': 'Biophysics of complex systems and mathematical models', 'volume': '10', 'author': 'SHIK M. L.', 'year': '1965', 'journal-title': 'Co-ordination of the limbs during running of the dog. Biofizika'} / Co-ordination of the limbs during running of the dog. Biofizika / Biophysics of complex systems and mathematical models by SHIK M. L. (1965)
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10.1007/978-1-4613-4547-3_43

Dates

Type	When
Created	16 years, 8 months ago (Dec. 9, 2008, 3:17 p.m.)
Deposited	1 year, 9 months ago (Nov. 11, 2023, 8:40 a.m.)
Indexed	3 months ago (June 1, 2025, 1:27 a.m.)
Issued	45 years, 6 months ago (March 1, 1980)
Published	45 years, 6 months ago (March 1, 1980)
Published Online	16 years, 8 months ago (Dec. 8, 2008)
Published Print	45 years, 6 months ago (March 1, 1980)

Funders 0

None

BibTeX

@article{FORSSBERG_1980, title={The locomotion of the low spinal cat. II. Interlimb coordination}, volume={108}, ISSN={1365-201X}, url={http://dx.doi.org/10.1111/j.1748-1716.1980.tb06534.x}, DOI={10.1111/j.1748-1716.1980.tb06534.x}, number={3}, journal={Acta Physiologica Scandinavica}, publisher={Wiley}, author={FORSSBERG, H. and GRILLNER, S. and HALBERTSMA, J. and ROSSIGNOL, S.}, year={1980}, month=mar, pages={283–295} }

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