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Fig. 2. Digitized skeletal landmarks in the pika Ochotona rufescens. (A)
X-ray during stance phase. (B) Skeletal drawings at the beginning and end of
stance phase [modified from (Fischer and
Lehmann, 1998)]. Pelvic landmarks are indicated by open circles.
(C) Calculated angles for the intervertebral joints in the tree shrew,
Tupaia glis [modified from
(Schilling and Fischer,
1999)].