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Full-Text Articles in Medicine and Health Sciences
Changes In Lower Extremity Biomechanics Due To A Short-Term Fatigue Protocol, Nelson Cortes, Eric Greska, Roger Kollack, Jatin Ambegaonkar, James A. Onate
Changes In Lower Extremity Biomechanics Due To A Short-Term Fatigue Protocol, Nelson Cortes, Eric Greska, Roger Kollack, Jatin Ambegaonkar, James A. Onate
Human Movement Sciences & Special Education Faculty Publications
Context: Noncontact anterior cruciate ligament injury has been reported to occur during the later stages of a game when fatigue is most likely present. Few researchers have focused on progressive changes in lower extremity biomechanics that occur throughout fatiguing.
Objective: To evaluate the effects of a sequential fatigue protocol on lower extremity biomechanics during a sidestep-cutting task (SS).
Design: Controlled laboratory study.
Setting: Laboratory.
Patients or Other Participants: Eighteen uninjured female collegiate soccer players (age 19.2 ± 0.9 years, height = 1.66 ± 0.5 m, mass 61.6 ± 5.1 kg) volunteered.
Intervention(s): The independent variable was fatigue level, with 3 …
Instruction And Jump-Landing Kinematics In College-Aged Female Athletes Over Time, Jena Etnoyer, Nelson Cortes, Stacie I. Ringleb, Bonnie L. Van Lunen, James A. Onate
Instruction And Jump-Landing Kinematics In College-Aged Female Athletes Over Time, Jena Etnoyer, Nelson Cortes, Stacie I. Ringleb, Bonnie L. Van Lunen, James A. Onate
Rehabilitation Sciences Faculty Publications
Context: Instruction can be used to alter the biomechanical movement patterns associated with anterior cruciate ligament (ACL) injuries.
Objective: To determine the effects of instruction through combination (self and expert) feedback or self-feedback on lower extremity kinematics during the box–drop-jump task, running–stop-jump task, and sidestep-cutting maneuver over time in college-aged female athletes.
Design: Randomized controlled clinical trial.
Setting: Laboratory.
Patients or Other Participants: Forty-three physically active women (age = 21.47 ± 1.55 years, height = 1.65 ± 0.08 m, mass = 63.78 ± 12.00 kg) with no history of ACL or lower extremity injuries or surgery in the 2 months …
A Feedback Inclusive Neuromuscular Training Program Alters Frontal Plane Kinematics, Eric K. Greska, Nelson Cortes, Bonnie L. Van Lunen, James A. Oñate
A Feedback Inclusive Neuromuscular Training Program Alters Frontal Plane Kinematics, Eric K. Greska, Nelson Cortes, Bonnie L. Van Lunen, James A. Oñate
Rehabilitation Sciences Faculty Publications
-Anterior cruciate ligament (ACL) neuromuscular training programs have demonstrated beneficial effects in reducing ACL injuries, yet further evaluation of their effects on biomechanical measures across a sports team season is required to elucidate the specific factors that are modifiable. The purpose of this study was to evaluate the effects of a 10-week off-season neuromuscular training program on lower extremity kinematics. Twelve Division I female soccer players (age: 19.2 ± 0.8 years, height: 1.67 ± 0.1 m, weight: 60.2 ± 6.5 kg) performed unanticipated dynamic trials of a running stop-jump task pretraining and posttraining. Data collection was performed using an 8-camera …