File:Neutral neck posture in giraffe and Spinophorosaurus.png

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Summary

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Comparing osteologically neutral pose (ONP) and neutral bone only posture (NBOP).

Notice the vast difference between the osteologically induced curvature (OIC) and amount of intervertebral space rendered by ONP and those rendered by NBOP. A—Newborn Giraffa neck in ONP B—CV7 and CV6 in postero-lateral view in ONP, notice the full zygapophyseal overlap. C—Newborn Giraffa neck in NBOP. D—CV7 and CV6 in postero-lateral view in NBOP, notice how the zygapophyses are not fully overlapped, and have to be angled in order to have the centra rims parallel. E—Juvenile Spinophorosaurus CV5 to Axis in ONP. F—CV3 and Axis in postero-lateral view in ONP, notice the full zygapophyseal overlap. G—Juvenile Spinophorosaurus CV5 to Axis in NBOP. H—CV3 and Axis in postero-lateral view in NBOP, how the zygapophyses are not fully overlaped, and have to be angled in order to have the centra rims parallel. Scales for A, C, E and G = 50 mm.
Date
Source https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0227537
Author Daniel Vidal, Pedro Mocho, Adrián Páramo, José Luis Sanz, Francisco Ortega

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current16:41, 31 March 2026Thumbnail for version as of 16:41, 31 March 20261,563 × 2,163 (2.59 MB)FunkMonk{{Information |descriptionComparing osteologically neutral pose (ONP) and neutral bone only posture (NBOP). Notice the vast difference between the osteologically induced curvature (OIC) and amount of intervertebral space rendered by ONP and those rendered by NBOP. A—Newborn Giraffa neck in ONP B—CV7 and CV6 in postero-lateral view in ONP, notice the full zygapophyseal overlap. C—Newborn Giraffa neck in NBOP. D—CV7 and CV6 in postero-lateral view in NBOP, notice how the zygapophyses are not f...

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