.... (D) Percentage of cycle spent in static contact with substrate, %stat. All snakes used a variant of concertina locomotion with periodic starting and stopping along the length of the body, and at no time was the entire length of the body moving simultaneously ( Fig. 3 ). Regardless...

... inclined at either 45° or 90°, snakes were unable to move uphill or downhill on the larger diameters. None of the locomotion on perches conformed to any previously described mode of limbless locomotion. On horizontal and uphill perches snakes performed a variant of concertina locomotion with periodic...