Fall 2025

Abstract 

The glenohumeral joint’s stability is primarily achieved through muscular activation rather than bony constraints. This talk will start with an analysis of in vivo subject specific variability in glenohumeral translations measured with biplanar fluoroscopy. This will be followed by an overview of our development of subject-specific, 6 DoF glenohumeral joint models, including our efforts to dynamically couple finite element and multibody dynamics methods to produce more biofidelic loading scenarios for shoulder treatment development.

Abstract 

Muscle models are essential for our understanding of muscle function. While traditional models may work well for single fibres during steady contractions, their performance is much worse for whole muscles during natural behaviours. This presentation will consider different aspect of physiology and mechanics that influence the forces that muscles develop, how these features can be incorporated into muscle models, and the insights that we gain about how muscle design and use is related to whole muscle energetics and mechanical performance.

Spring 2026

Abstract 

Locomotion has played a key role in the evolutionary adaptive strategies of primates. Although primates exhibit a wide diversity of locomotor behaviors, arboreal quadrupedalism is considered to be the ancestral form of locomotion for primates. Decades of laboratory research on primate quadrupedalism has revealed that primates are distinctive in their quadrupedal biomechanics compared to most mammals, and controlled experiments have attempted to discern which aspects of the arboreal environment might have been critical during the evolution of these biomechanical features. However, lab-studies are necessarily limited in recreating the complexities of the arboreal environment. A more ecologically relevant understanding of primate quadrupedalism requires analysis of primates moving in their natural habitats. In this talk, I will review what is unique about primate quadrupedalism and then discuss how I have used both lab and field-based techniques (videography and remote measurement of substrate characteristics) to obtain further insight about the adaptation and evolution of primate quadrupedal kinematics.

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