Kristin D Morgan

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Approximately 320,000 anterior cruciate ligament (ACL) injuries in the United States each year are non-contact injuries, with many occurring during a single-leg jump landing. To reduce ACL injury risk, one option is to improve muscle strength and/or the activation of muscles crossing the knee under elevated external loading. This study's purpose was to(More)
BACKGROUND Rate of torque development (RTD) measures the ability of a muscle to produce torque quickly. Decreased quadriceps RTD may impair performance of sporting tasks after surgery. Currently, little is known about variations in quadriceps RTD between anterior cruciate ligament (ACL)-reconstructed and noninjured limbs. PURPOSE To determine the(More)
Anterior cruciate ligament (ACL) injuries are one of the most frequently injured knee ligaments. Despite reconstruction, many individuals report difficulty returning to high level activities that require greater dynamic stability. Since few methods have been tested to assess dynamic stability post ACL reconstruction (ACLR), the purpose of this study was to(More)
The cost of the inpatient stay for a typical aortic valve replacement and for an oesophagectomy were determined by recording and costing every aspect of the patients' care from admission until discharge. This method of cost calculation was found to be satisfactory and could be used by other centres to allow comparisons between hospitals or countries. At St(More)
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