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Full-Text Articles in Kinesiology
Amphisbaenian Head Movement And Burrowing Forces In Damp Granular Media, Jacob Newell
Amphisbaenian Head Movement And Burrowing Forces In Damp Granular Media, Jacob Newell
Williams Honors College, Honors Research Projects
Damp granular media is a difficult environment to study because it is both practically complex and it lacks equations which fully describe its behavior. In this study, an oscillatory lateral head movement and its effects while penetrating damp granular media were tested using a robophysical model. This experimental research was inspired by the burrowing behavior of the clade Amphisbaenia, a group of usually limbless squamates that employ a variety of different burrowing behaviors, but it can apply to a wide range of burrowers. This research could help with both human burrowing technologies and the further investigation of animal behaviors.
The Role Of Spine In Causing Lameness In Horses, Raja Zabeeh Ullah Khan
The Role Of Spine In Causing Lameness In Horses, Raja Zabeeh Ullah Khan
English Language Institute
Lameness is one of the most important problems of horses. It influences all communities who keep horses. Recent studies have shown the significance of spinal muscles and vertebrae in inducing lameness in horses. The field has not been explored much and requires application of biomechanics to define the role of spine in inducing lameness in horses. This presentation highlights the importance of spine in inducing lameness in horses by relating the solution with biomechanics.
Form And Function Of The California Sea Lion (Zalophus Californianus) Hindflippers: Control Surfaces For Subaqueous Maneuvers, Ariel Leahy
West Chester University Master’s Theses
The hindflippers of California sea lions (Zalophus californianus) have previously been overlooked as aquatic control surfaces. Although passively trailed in rectilinear swimming, the hindflippers are abducted into a delta-wing shape during aquatic maneuvers. As the anatomy of sea lion hindflippers had not previously been described, anatomical/morphological examinations were completed via scaled measurements and dissections. It was found that the tendons of Flexor Hallucis Longus and Flexor Digitorum Longus insert into the collagen matrix of the crenellations instead of onto bone and the tendons of Flexor Digitorum Brevis contain foramen through which the tendons of Flexor Digitorum Longus pass. …
A Motor And A Brake: Two Leg Extensor Muscles Acting At The Same Joint Manage Energy Differently In A Running Insect, Anna N. Ahn, Robert J. Full
A Motor And A Brake: Two Leg Extensor Muscles Acting At The Same Joint Manage Energy Differently In A Running Insect, Anna N. Ahn, Robert J. Full
All HMC Faculty Publications and Research
The individual muscles of a multiple muscle group at a given joint are often assumed to function synergistically to share the load during locomotion. We examined two leg extensors of a running cockroach to test the hypothesis that leg muscles within an anatomical muscle group necessarily manage (i.e. produce, store, transmit or absorb) energy similarly during running. Using electromyographic and video motion-analysis techniques, we determined that muscles 177c and 179 are both active during the first half of the stance period during muscle shortening. Using the in vivo strain and stimulation patterns determined during running, we measured muscle power output. …