Articles tagged with Human Bipedalism
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A new international study identifies several protein families potentially involved in bone remodeling and highlights their role in shaping bone structures through mechanoadaptation. The study sheds light on the evolutionary mechanisms behind bone mechanoadaptation and its relation to locomotion patterns such as bipedalism.
Researchers used 3D technology to study key areas in brachiating primates, providing new insights into human evolution. The study confirms that early hominin species combined bipedal locomotion with arboreal locomotion similar to current bonobos.
Study reveals the brain controls leg coordination during walking only when discoordination exceeds a certain threshold. Researchers found that not actively intervening improves energy efficiency and maneuverability.
A new study of a 7–8-million-year-old extinct fossil ape from China, Lufengpithecus, offers new insights into the evolution of human bipedalism. The researchers found that early apes shared a locomotor repertoire ancestral to human bipedalism, and their analysis suggests a three-step evolution of human bipedalism.
A recent study on the fossil ape Lufengpithecus offers insights into the origins of human bipedalism. By analyzing the inner ear region, researchers discovered a three-step evolution process that led to human walking, with early apes using tree-like locomotion and later developing a combination of climbing and terrestrial quadrupedalism.
A study using digital reconstructions of Australopithecus afarensis muscles suggests that the 3.2 million-year-old 'Lucy' hominin could walk upright as efficiently as modern humans. The research, published in Royal Society Open Science, used open-source data on Lucy's fossil to create a detailed model of her lower body muscle structure.
A global team of scientists found that the recoil of a flexible human foot arch repositions the ankle upright for more effective walking and running. This discovery could help doctors improve treatments for present-day patients' foot problems, while also suggesting therapeutic avenues for people with rigid arches due to injury or illness.
A new study found that wild chimpanzees in Tanzania's savanna-mosaic habitat spent as much time in the trees as those in dense forests. The researchers suggest that bipedalism may have evolved to move around trees, contradicting traditional theories that link open habitats to upright walking.
A new study from Harvard University identifies the genes and genetic sequences that orchestrate the formation of the human pelvis during pregnancy. The research shows that key pelvic features form around 6- to 8-week mark, including a curved and basin-like shape.
The study reveals that Sahelanthropus tchadensis, a 7 million-year-old species, had both ground-dwelling and tree-climbing abilities. This suggests that early humans acquired bipedalism very early in their history.
New lumbar vertebrae from a two-million-year-old fossil provide insight into how Australopithecus sediba walked and climbed. The discovery confirms the species used its upper limbs to climb like apes, while its lower limbs were adapted for walking like humans.
Researchers reconstructed locomotor behavior in fossil hominins by comparing trabecular bone structure. The results suggest a predominantly bipedal gait in one specimen and mixed use of bipedalism and climbing in another.
A Yale-led team of researchers discovered that the transverse arch in the human foot, not previously studied, is responsible for nearly half of the foot's stiffness. This finding challenges conventional thinking about the human foot's structure and evolution.
The study found that the transverse arch is a bigger source of foot stiffness than previously thought, and it may have evolved to become human-like over 3.5 million years ago. The researchers used mechanical mimics and fossil record analysis to support their findings.
A new study published in the Journal of Human Evolution provides evidence for a more robust adaptation to bipedalism in the human ancestor Ardipithecus ramidus. The research shows that Ardipithecus used its big toe as a propulsive lever when walking, marking a key transitional phase in human evolution.
Research suggests that human-like bipedalism emerged around 3.6 million years ago, allowing for more efficient energy expenditure during long-distance travel. This shift likely responded to climate and habitat changes, enabling ancestral hominins to cover longer distances while foraging.
A study published in the Journal of Human Evolution confirms that human skull evolution is linked to two-legged walking. Researchers found a forward-shifted foramen magnum in 77 mammal species, including humans, kangaroos, and springhares, indicating a common trait among bipedal mammals.
A study found that humans are more commonly afflicted with spinal disease due to their unique vertebrae shape, which shares similarities with non-human primates. Researchers studied human, chimpanzee, and orangutan vertebrae to uncover the link between vertebral shape and disc herniation.
Researchers confirm that Oreopithecus had anatomical features incompatible with habitual bipedal walking. The study refutes a long-standing debate about the ape's locomotor behavior, providing new insight into its unique characteristics.
The study provides a comprehensive depiction of the early human ancestral remains from Malapa, including their unique lower back curvature and more flexible spine. The findings suggest that Au. sediba walked in a way that was a 'compromise' between bipedalism and quadrupedalism.
Researchers found that fossil footprints made 3.6 million years ago show a human-like striding gait, indicating bipedalism among early hominins. The study suggests that humans' ancestors were more energetically efficient with their walking posture than previously thought.
Research suggests humans and African apes have distinct wrist bone features that indicate independent evolution of knuckle-walking behavior in two separate lineages. A study examining juvenile and adult wrist bones found key features associated with knuckle walking present in 96% of chimpanzees, but only 6% of gorillas.
Researchers found human walking is 75% less costly than chimpanzee quadrupedal and bipedal walking. This energy savings could have given early hominids an edge in foraging for food, potentially driving the evolution of bipedalism.
A study by researchers found that wild orangutans' upright walking, or bipedalism, may have arisen in tree-dwelling apes, rather than in human ancestors. The discovery challenges the long-held savannah hypothesis and suggests that early human ancestors abandoned high canopies for forest floors, where they remained bipedal.
Scientists found that artificially stimulating semicircular canal nerves allows for 'remote control' steering without affecting balance. The discovery sheds light on the brain's ability to process sensory signals, paving the way for diagnostic, therapeutic, and virtual-reality applications.