A5028200279- Primate Behavior and Ecology
- Pleistocene-Era Hominins and Archaeology
- Evolution and Paleontology Studies
- Lower Extremity Biomechanics and Pathologies
- Amphibian and Reptile Biology
- Forensic Anthropology and Bioarchaeology Studies
- Animal Vocal Communication and Behavior
- Robotic Locomotion and Control
- Foot and Ankle Surgery
- Diabetic Foot Ulcer Assessment and Management
- Action Observation and Synchronization
- Cerebral Palsy and Movement Disorders
- Animal Behavior and Reproduction
- Winter Sports Injuries and Performance
- Wildlife Ecology and Conservation
- Physical education and sports games research
- Hume's philosophy and hair distribution
- Morphological variations and asymmetry
- Hemispheric Asymmetry in Neuroscience
- Inclusion and Disability in Education and Sport
- Animal Nutrition and Physiology
- Textile materials and evaluations
- Diversity and Impact of Dance
- Veterinary Orthopedics and Neurology
- Motor Control and Adaptation
James Madison University
2013-2024
Duke University
2014
University of South Wales
2014
Carrier (United States)
2013
Pennsylvania State University
2001-2002
Stony Brook University
1996-1997
State University of New York
1994-1996
University of Virginia
1990
WUNDERLICH, R. E., and P. CAVANAGH. Gender differences in adult foot shape: implications for shoe design. Med. Sci. Sports Exerc., Vol. 33, No. 4, 2001, pp. 605–611. Purpose: To analyze gender shape a large sample of young individuals. Methods: Univariate t-tests multivariate discriminant analyses were used to assess 1) significant between men women each leg dimension, standardized length, 2) the reliability classification into classes using absolute variable sets, 3) relative importance...
OBJECTIVE—The objectives of this study were to compare intrinsic foot muscle cross-sectional area (CSA) in patients with diabetic polyneuropathy and nondiabetic control subjects examine the association between CSA clawing/hammering toes neuropathic feet. RESEARCH DESIGN AND METHODS—High-resolution T2-weighted fast spin-echo images parametric T2 multiple acquired using magnetic resonance imaging (MRI) frontal plane sections metatarsal region a sample eight individuals age- sex-matched...
Endurance running may have a long evolutionary history in the hominin clade but it was not until very recently that humans ran wearing shoes. Research on modern habitually unshod runners has suggested they utilize different biomechanical strategy than who wear shoes, namely barefoot typically use forefoot strike order to avoid generating high impact forces would be experienced if were ground with their heels first. This finding suggests our ancestors run similar way. However, this research...
Abstract Bipedalism is a defining feature of the human lineage. Despite evidence that walking on two feet dates back 6–7 Ma, reconstructing hominin gait evolution complicated by sparse fossil record and challenges in inferring biomechanical patterns from isolated fragmentary bones. Similarly, social behavior distinguish modern humans other living primates likely played significant roles our evolution, but it exceedingly difficult to understand behaviors hominins directly data. Footprints...
Objective: To examine the effects of fatigue on landing biomechanics in single-leg drop landings. Design: Quasi-experimental. Setting: Controlled research laboratory. Participants: Twenty-four healthy individuals (12 women and 12 men). Interventions: Participants performed 3 landings from a height 0.36 m before after fatiguing protocol. Main Outcome Measures: Sagittal ankle flexion, sagittal knee frontal valgus angles (degrees) at initial ground contact; vertical reaction forces (N); time to...
Abstract Considerable attention has been given to hand morphology and function associated with knuckle‐walking in the African apes because of implications they have for evolution bipedalism early hominins. Knuckle‐walking is a unique suite musculoskeletal features wrist hand, numerous studies hypothesized that these anatomical are dynamics load distribution across digits during knuckle‐walking. We collected dynamic digital pressures on two chimpanzees terrestrial simulated arboreal...
Most primates are able to move with equal facility on the ground and in trees, but most use same quadrupedal gaits both environments. A few specialized primates, however, a suspensory or leaping mode of locomotion when trees bipedal gait while ground. This is rare behavioral pattern among mammals, extent which these converge constrained by anatomical neurological adaptations associated arboreal poorly understood. Sifakas (Propithecus), living only Madagascar, highly committed vertical...
Abstract Habitually terrestrial monkeys adopt digitigrade hand postures at slow speeds to increase effective forelimb length and reduce distal limb joint moments. As these primates move faster, however, their hands transition a more palmigrade posture, which is likely associated with the inability of wrist joints resist higher ground reaction forces (GRF) faster speeds. Transitioning posture may serve distribute GRFs over larger surface area (i.e., increased palmar contact), ultimately...
SUMMARY Arboreal animals with prehensile hands must balance the complex demands of bone strength, grasping and manipulation. An informative example this problem is that aye-aye (Daubentonia madagascariensis), a rare lemuriform primate unusual in having exceptionally long, gracile fingers specialized for foraging. In addition, they are among largest primates to engage head-first descent on arboreal supports, posture should increase loads their digits. We test hypothesis aye-ayes will reduce...
Hadropithecus stenognathus (Lorenz von Liburnau [1899] Anz. Akad. Wiss. Wien 36:255–257), a giant extinct lemur from Madagascar, has been reconstructed as primarily terrestrial and probably cursorial on the basis of its postcranial anatomy, especially long bone gracility interlimb proportions. We show here that aspects this reconstruction are almost certainly incorrect. Hindlimb bones Archaeolemur have misattributed to Hadropithecus, new hindlimb allocations (including newly recognized...
Abstract Although astroglial scar formation is a common response to almost any type of injury the adult central nervous system, lesions in fetal and neonatal rats have been reported induce little or no formation. To examine this developmental difference further, ranging age from 1 65 days postnatal were unilaterally enucleated, surgical procedure that causes axons optic nerve degenerate. The nerves processed for light electron microscopy at times 7 365 postenucleation. Pronounced permanent...