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Full-Text Articles in Sports Sciences
The Effect Of Load On Movement Coordination During Sled Towing, Michael Lawrence, Daniel Leib, Cara Masterson, Erin Hartigan
The Effect Of Load On Movement Coordination During Sled Towing, Michael Lawrence, Daniel Leib, Cara Masterson, Erin Hartigan
Daniel Leib
INTRODUCTION Towing sleds while walking is a popular resistance exercise for the healthy athlete. One reason for the popularity of sled towing is that it is widely believed to be a ‘functional’ exercise. Preliminary research suggests towing while walking can increases lower extremity moment impulses; however whether towing a sled utilizes the same coordination patterns as un-resisted walking is unknown. While altered patterns may not be as relevant to a healthy athlete, sled towing is also sometimes used in the rehabilitation of athletes who sustained a lower extremity injury (anterior cruciate ligament rupture) with the goal of regaining movement symmetry. …
Coordinative Variability And Overuse Injury, Joseph Hamill, Christopher Palmer, Richard E.A. Van Emmerik
Coordinative Variability And Overuse Injury, Joseph Hamill, Christopher Palmer, Richard E.A. Van Emmerik
Richard E.A. van Emmerik
Overuse injuries are generally defined as a repetitive micro-trauma to tissue. Many researchers have associated particular biomechanical parameters as an indicator of such injuries. However, while these parameters have been reported in single studies, in many instances, it has been difficult to verify these parameters as causative to the injury. We have investigated overuse injuries, such as patella-femoral pain syndrome, using a dynamical systems approach. Using such methods, the importance of the structure of coordinative variability (i.e. the variability of the interaction between segments or joints) becomes apparent. We view coordinative variability as functionally important to the movement and different …