The femoral neck try long, anteverted, and anteroposteriorly compressed

The femoral neck try long, anteverted, and anteroposteriorly compressed

The lower limb away from H. naledi is set not just by a separate combination of primitive and you will derived faculties, but also by the presence from unique has regarding femur and you will tibia. As with any other bipedal hominins, H. naledi and it has an effective valgus lower body and varus foot. Strength insertions toward Yards. gluteus maximus try strong as well as the femur have a well-noted linea aspera that have pilaster variably present. The new tibia is mediolaterally compacted with a curved prior edging, a big proximal accessory for the Yards. tibialis posterior, and you will a slimmer medial malleolus. The newest fibula was gracile having sideways centered lateral malleolus, a comparatively round neck and you may a beneficial convex facial skin with the proximal accessory of your own Yards. peroneus longus. Novel enjoys from the lower limb out of H. naledi were a despair in the premium facet of the femoral neck one to leads to a few mediolaterally based pillars inferoposteriorly and you may superoanteriorly, and you will an effective distal connection of one's pes anserinus ChatSpin towards tibia.

This new base and foot out-of H. naledi try mostly humanlike (Figure 9). The brand new tibia stands orthogonally through to the talus, that's meagerly wedged, having a good mediolaterally apartment trochlea having medial and you may horizontal margins in the also top, a type unlike the newest good keeling observed in OH 8 (H. habilis) and many tali regarding Koobi Fora. The newest talar head and you will shoulder exhibit good, humanlike torsion; the fresh new lateral direction is higher than in the most common individuals, the same as you to found in australopiths. The fresh new calcaneus is only moderately powerful, however, and has this new plantar declination of your own retrotrochlear eminence and plantarly organized horizontal plantar process included in each other progressive human beings and you can Bien au. afarensis. The newest peroneal trochlea is actually brief, unlike one utilized in australopiths and you may equivalent in order to you to during the H. sapiens and Neanderthals. The newest talonavicular, subtalar joints and you will calcaneocuboid joints try humanlike when you look at the having minimal ranges of movement and you may facts to possess a securing, strict midfoot. The newest advanced and you can horizontal cuneiforms is actually proximodistally elongated. naledi had an adducted, non-gripping hallux. The head of one's basic metatarsal try mediolaterally expanded dorsally, a sign of a humanlike windlass process. The newest legs and it has humanlike metatarsal lengths, head proportions, and you may torsion.

New phalanges is actually moderately rounded, some much more compared to H. sapiens. Truly the only ancient anatomies based in the feet from H. naledi is the talar head and you will shoulder declination and you will sustentaculum tali bases, suggestive off a lower arched base which have a very plantarly organized and you will horizontally inclined medial column than simply typically found in modern individuals (Harcourt-Smith et al., 2015).

The newest patella is fairly anteroposteriorly heavy

The newest axial bones gifts a variety of derived (mainly regions of the fresh backbone) and you will relatively primitive (mainly the fresh new ribs) faculties. The fresh maintained adult T10 and you will T11 backbone try proportioned similarly to Pleistocene Homo, that have transverse process morphology extremely just like Neandertals. The fresh neural streams ones vertebrae is actually high in comparison to the brand new diminutive total sized the fresh new spinal vertebrae, proportionally remembering Dmanisi H. erectus, Neandertals, and progressive humans. The newest 11th rib is actually straight (uncurved), the same as Au. afarensis, therefore the shape of top of the rib crate looks thin, because the analyzed out of very first and you will 2nd rib fragments, indicating that the thorax was pyramidal in shape. The new 12th rib gift suggestions an effective axle mix-point extremely like Neandertals. This combination isn’t used in almost every other hominins and can even mirror allometric scaling within a tiny trunk area size.

The newest hallucal tarsometatarsal joint is actually apartment and you will proximodistally aligned exhibiting you to H

Brand new Dinaledi iliac knife are flared and shortened anteroposteriorly, resembling Au. afarensis otherwise Bien au. africanus. The ischium was quick with a slim tuberoacetabular sulcus, and the ischiopubic and you can iliopubic rami try dense, resembling Au. sediba and you may H. erectus. Which combination of iliac and you will ischiopubic features wasn't located in other fossil hominins (Shape 13).

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发布日期:2022年05月20日  所属分类:ChatSpin review
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