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The Effect of Rearfoot Motion on Attenuation of the Impulse Wave at Impact during Running

Vanessa R. Yingling, H. John Yack, and Scott C. White

This study investigated whether rearfoot motion at heel contact during running attenuates the magnitude of the impact force traveling through the body. Fifteen subjects completed running trials for two conditions:(a) running on a treadmill at a self-selected speed and a cadence of 160 steps/min and (b) running at the same speed and cadence but with rearfoot motion limited by a medial wedge inserted into the subject's shoe. A paired t test was used to test for differences between conditions in the peak accelerations of each accelerometer and the time to peak of the tibia acceleration. The predominant impact frequency and amplitude of the frequency peak were also tested for significant differences. No significant difference was found in the variables compared between the two conditions. The results demonstrated that restriction of rearfoot motion using a medial wedge during the initial 15% of the stance phase has no effect on the characteristics of the impulse wave at the tibia.

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Undergraduate Research in Kinesiology: Examples to Enhance Student Outcomes

James A. Carson, John K. Petrella, Vanessa Yingling, Mallory R. Marshall, Jenny O, and Jennifer J. Sherwood

Undergraduate research is emphasized as a critical component of today’s science-based undergraduate education and widely accepted as an important part of the overall undergraduate education experience. While educators agree on the value of undergraduate research, significant challenges exist related to the design of the undergraduate research experience and the faculty member’s role in it. Additional challenges include providing high-quality research experiences that benefit the education of a large number of students while maintaining feasibility and cost-effectiveness. The scope of this review is to provide an overview of research and service-learning experiences in kinesiology departments at 3 institutions of higher learning that vary in size and mission.