The brand new femoral shoulder are a lot of time, anteverted, and you may anteroposteriorly compacted
The lower limb away from H. naledi is defined just from the a different sort of mixture of ancient and you will derived traits, in addition to of the exposure of novel features about femur and you will tibia. Like all almost every other bipedal hominins, H. naledi and it has an effective valgus knee and you may varus ankle. Muscle mass insertions towards the Meters. gluteus maximus are good as well as the femur possess a highly-designated linea aspera having pilaster variably expose. The brand new tibia try mediolaterally compressed that have a curved anterior edging, a giant proximal connection to the Yards. tibialis rear, and you can a thin medial malleolus. The brand new fibula is actually gracile with laterally dependent horizontal malleolus, a somewhat game neck and you can good convex surface towards the proximal accessory of Meters. peroneus longus. Book have regarding lower limb from H. naledi were a despair on the advanced aspect of the femoral shoulder one leads to two mediolaterally situated pillars inferoposteriorly and you can superoanteriorly, and a robust distal attachment of pes anserinus towards the tibia.
New ft and you will ankle away from H. naledi was mainly humanlike (Figure nine). The brand new tibia really stands orthogonally up on the latest talus, that is meagerly wedged, that have a beneficial mediolaterally apartment trochlea with medial and horizontal margins on even height, a form distinct from the newest good keeling observed in OH 8 (H. habilis) and many tali out of Koobi Fora. New talar direct and you can neck showcase solid, humanlike torsion; the newest horizontal perspective exceeds in the most common humans, just like one found in australopiths. The latest calcaneus is meagerly sturdy, however, and it has the latest plantar declination of one’s retrotrochlear eminence and you can plantarly positioned lateral plantar process included in one another modern people and you can Au. afarensis. The new peroneal trochlea are short, instead of you to used in australopiths and similar merely to you to in the H. sapiens and you will Neanderthals. New talonavicular, subtalar joints and you will calcaneocuboid joints is humanlike for the possessing restricted range of movement and you can facts getting a securing, tight midfoot. The newest intermediate and you can horizontal cuneiforms try proximodistally elongated. naledi owned an adducted, non-grasping hallux. Your head of the very first metatarsal are mediolaterally prolonged dorsally, a sign away from a great humanlike windlass procedure. The newest legs and it has humanlike metatarsal lengths, lead dimensions, and you may torsion.
The fresh new phalanges is meagerly curved, some more so compared to H. sapiens. Really the only primitive anatomies found in the ft off H. naledi are the talar direct and you can neck declination and you will sustentaculum tali basics, suggestive away from a lower life expectancy curved legs having a far more plantarly arranged and you may horizontally more inclined medial column than just typically found in modern human beings (Harcourt-Smith ainsi que al., 2015).
The patella is relatively anteroposteriorly heavy
The newest axial bones gift ideas a mixture of derived (generally areas of new spinal vertebrae) and you can apparently primitive (mostly the latest ribs) qualities. The new maintained adult T10 and you will T11 vertebrae try proportioned similarly to Pleistocene Homo, with transverse techniques morphology most just like Neandertals. The brand new sensory canals of those spinal vertebrae is higher in comparison to brand new diminutive overall size of brand new vertebrae, proportionally recalling Dmanisi H. erectus, Neandertals, and you may progressive individuals. Brand new 11th rib is upright (uncurved), similar to Bien au. afarensis, and the form of top of the rib crate looks slim, due to the fact assessed off first and you may next rib fragments, indicating the thorax is pyramidal fit. The latest twelfth rib gifts a powerful shaft mix-point very the same as Neandertals. So it integration isn’t found in other hominins and might echo allometric scaling from the a little trunk area size.
The latest hallucal tarsometatarsal shared are apartment and proximodistally aligned exhibiting you to definitely hookupdate.net local hookup Cincinnati OH H
The fresh new Dinaledi iliac blade is flared and you will shortened anteroposteriorly, resembling Au. afarensis otherwise Au. africanus. This new ischium was short having a narrow tuberoacetabular sulcus, therefore the ischiopubic and you may iliopubic rami is actually heavy, resembling Bien au. sediba and you will H. erectus. That it mixture of iliac and you can ischiopubic possess has not been located in other traditional hominins (Profile 13).
دیدگاهتان را بنویسید