Search Results - "Ryan, Laurence J."

A general relationship links gait mechanics and running ground reaction forces by Clark, Kenneth P, Ryan, Laurence J, Weyand, Peter G

“…The relationship between gait mechanics and running ground reaction forces is widely regarded as complex. This viewpoint has evolved primarily via efforts to…”
Get full text

Hip Torque Is a Mechanistic Link Between Sprint Acceleration and Maximum Velocity Performance: A Theoretical Perspective by Clark, Kenneth P., Ryan, Laurence J.

“…Sprinting performance is critical for a variety of sports and competitive activities. Prior research has demonstrated correlations between the limits of…”
Get full text

Top speed sprinting: Thigh angular motion and eccentric hamstring strength in faster vs. slower sprinters by Alt, Tobias, Komnik, Igor, Ryan, Laurence J., Clark, Kenneth P.

“…Sprinting at maximum velocity requires fast angular motion of the thigh and effective hamstring function for optimum performance and injury prevention. In this…”
Get full text

Foot speed, foot-strike and footwear: linking gait mechanics and running ground reaction forces by Clark, Kenneth P, Ryan, Laurence J, Weyand, Peter G

“…Running performance, energy requirements and musculoskeletal stresses are directly related to the action-reaction forces between the limb and the ground. For…”
Get full text

Running ground reaction forces across footwear conditions are predicted from the motion of two body mass components by Udofa, Andrew B, Clark, Kenneth P, Ryan, Laurence J, Weyand, Peter G

“…Although running shoes alter foot-ground reaction forces, particularly during impact, how they do so is incompletely understood. Here, we hypothesized that…”
Get full text

Spatiotemporal kinematics during top speed sprinting in male intercollegiate track and field and team sport athletes by Meng, Christopher R., Walts, Cory T., Ryan, Laurence J., Stearne, David J., Clark, Kenneth P.

“…We investigated spatiotemporal kinematics during top speed sprinting and biomechanical running strategies in 98 male intercollegiate athletes from a range of…”
Get full text

Balance Testing Following Concussion: Postural Sway versus Complexity Index by Purkayastha, Sushmita, Adair, Heather, Woodruff, Amanda, Ryan, Laurence J., Williams, Benjamin, James, Eric, Bell, Kathleen R.

“…Background Although postural control deficits are common following a concussion, the current clinical assessments for postural control tend to resolve within 3…”
Get full text

Evaluation of maximum thigh angular acceleration during the swing phase of steady-speed running by Clark, Kenneth P., Ryan, Laurence J., Meng, Christopher R., Stearne, David J.

“…The hip joint and surrounding musculature must generate and withstand torque during the swing phase of running. Prior research has demonstrated that sagittal…”
Get full text

Horizontal Foot Speed During Submaximal and Maximal Running by Clark, Kenneth P, Ryan, Laurence J, Meng, Christopher R, Stearne, David J

“…Horizontal foot speed is fundamental for running synchronization and stability, and may also be important for sprinting performance. In this investigation, we…”
Get full text

Design and testing of a high-speed treadmill to measure ground reaction forces at the limit of human gait by Bundle, Matthew W, Powell, Michael O, Ryan, Laurence J

“…Highlights • We designed and tested a high speed force treadmill that can exceed the current human speed record. • We used a honeycomb panel and a flexible…”
Get full text

Running impact forces: from half a leg to holistic understanding – comment on Nigg et al by Clark, Kenneth P., Udofa, Andrew B., Ryan, Laurence J., Weyand, Peter G.

“…Running impact forces have immediate relevance for the muscle tuning paradigm proposed here and broader relevance for overuse injuries, shoe design and running…”
Get full text

Impact forces during running: Loaded questions, sensible outcomes by Udofa, Andrew B., Ryan, Laurence J., Weyand, Peter G.

“…Load carriage was used as an experimental tool to evaluate the ability of an anatomically-based, two-mass model of the human body to predict vertical impact…”
Get full text