Propulsive action of a snake pushing against a single site: Its combined analysis | Zendy

Gasc J. P. | Zendy; Cattaert D. | Zendy; Chasserat C. | Zendy; Clarac F. | Zendy

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Propulsive action of a snake pushing against a single site: Its combined analysis

Author(s) -

Gasc J. P.,

Cattaert D.,

Chasserat C.,

Clarac F.

Publication year - 1989

Publication title -

journal of morphology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.652

H-Index - 74

eISSN - 1097-4687

pISSN - 0362-2525

DOI - 10.1002/jmor.1052010310

Subject(s) - displacement (psychology) , electromyography , peg ratio , biology , anatomy , longissimus dorsi , action (physics) , mechanics , materials science , physics , neuroscience , psychology , finance , economics , zoology , quantum mechanics , psychotherapist

The simultaneous use of electromyography (EMG), strain gauges, and cinematography show that the capacity of continuous displacement from a single peg is based on the following: sequential activity of the tested muscles from front to rear; activity restricted to the short portion of the body in contact with the peg; alternate action of the muscle longissimus dorsi on the two sides, the transition between one side to the other occurring at the site of contact with the peg; unilateral activity of the muscle supracostalis ventralis responsible for a bulging against the peg; a great stability in the direction of the resultant force, which makes only a small angle with the directio of the motion.

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