Form, function and evolution of the human hand

TL Kivell, N Baraki, V Lockwood… - American Journal of …, 2023 - Wiley Online Library
The modern human hand is an intriguing mix of primitive morphology and derived function.
Traditionally, its form and function are explained as a functional “trade‐off” between the …

StW 573 Australopithecus prometheus: its significance for an australopith bauplan

RH Crompton, J McClymont, S Elton, S Thorpe… - Folia …, 2022 - karger.com
Abstract The StW 573 skeleton of Australopithecus prometheus from Sterkfontein Member 2
is some 93% complete and thus by far the most complete member of that genus yet found …

The position of Australopithecus sediba within fossil hominin hand use diversity

CJ Dunmore, MM Skinner, A Bardo… - Nature Ecology & …, 2020 - nature.com
The human lineage is marked by a transition in hand use, from locomotion towards
increasingly dexterous manipulation, concomitant with bipedalism. The forceful precision …

Cortical bone distribution of the proximal phalanges in great apes: Implications for reconstructing manual behaviours

SM Syeda, ZJ Tsegai, M Cazenave… - Journal of …, 2023 - Wiley Online Library
Primate fingers are typically in direct contact with the environment during both locomotion
and manipulation, and aspects of external phalangeal morphology are known to reflect …

Hand grip diversity and frequency during the use of Lower Palaeolithic stone cutting-tools

A Key, SR Merritt, TL Kivell - Journal of human evolution, 2018 - Elsevier
The suite of anatomical features contributing to the unique gripping capabilities of the
modern human hand evolved alongside the proliferation of Lower Palaeolithic flaked tool …

Free hand hitting of stone-like objects in wild gorillas

S Masi, E Pouydebat, A San-Galli, E Meulman… - Scientific reports, 2022 - nature.com
The earliest stone tool types, sharp flakes knapped from stone cores, are assumed to have
played a crucial role in human cognitive evolution. Flaked stone tools have been observed …

The ontogeny of termite gathering among chimpanzees in the Goualougo Triangle, Republic of Congo

S Musgrave, E Lonsdorf, D Morgan… - American journal of …, 2021 - Wiley Online Library
Objectives Acquiring tool‐assisted foraging skills can potentially improve dietary quality and
increase fitness for wild chimpanzees (Pan troglodytes). In contrast to chimpanzees in East …

Cognitive enrichment in a social setting: assessing the use of a novel food maze in sanctuary-housed chimpanzees

M Padrell, F Amici, MP Córdoba, M Llorente - Primates, 2022 - Springer
Foraging devices are effective enrichment tools for non-human primates, as they provide
both cognitive and manipulative stimulation that may enhance these animals' welfare. We …

Morphological integration and shape covariation between the trapezium and first metacarpal among extant hominids

A Bardo, CJ Dunmore, R Cornette… - American Journal of …, 2024 - Wiley Online Library
Objectives The shape of the trapezium and first metacarpal (Mc1) markedly influence thumb
mobility, strength, and the manual abilities of extant hominids. Previous research has …

The impact of hand proportions on tool grip abilities in humans, great apes and fossil hominins: A biomechanical analysis using musculoskeletal simulation

A Bardo, L Vigouroux, TL Kivell, E Pouydebat - Journal of human evolution, 2018 - Elsevier
Differences in grip techniques used across primates are usually attributed to variation in
thumb-finger proportions and muscular anatomy of the hand. However, this cause-effect …