Pollen Research

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Position: Assistant Professor, Department of Exercise Science
Organization: Jefferson College of Rehabilitation Sciences

4201 Henry Avenue, Suite 225G
Ronson Health & Applied Science Center
Philadelphia, PA 19144

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Publications

Pollen T, Ebaugh D, Warren M, Taylor J, Silfies S (2023). Intrinsic Risk Factors for Non-Contact Musculoskeletal Injury in College Swimmers. Journal of Athletic Training, 58(2):185-192.

This study explored the extent to which the risk factors of previous injury, poor movement competency, erroneous freestyle swimming technique, and low perceived susceptibility to sport injury were associated with noncontact musculoskeletal injury in collegiate swimmers. Previous injury, a crossover hand-entry position in freestyle, and a low perceived percentage chance of injury were associated with increased injury odds. Surprisingly, poor movement competency was not a risk factor for injury.

Pollen T, Ebaugh D, Mohring J, Hutchinson D, Silfies S (2022). Is Real-Time Poolside Assessment of Upper Limb Errors in Front Crawl Swimming Technique Reliable and Equivalent to Video Analysis? Journal of Sport Rehabilitation, 32(2):183-189.

This study determined the reliability and validity of a real-time poolside assessment of “upper limb errors” in front crawl swimming technique. It also explored the relationship between errors and swimming performance. Reliability and validity were moderate for most errors, and the fewer errors swimmers made, the faster their best race times tended to be.

Pollen T, Ebaugh D, Warren M, Milner C, Taylor J, Silfies S (2022). Workload and Noncontact Musculoskeletal Injury in Collegiate Swimmers: A Prospective Cohort Study. Journal of Athletic Training, 57(5):470-477.

This study explored the association between workload and noncontact musculoskeletal injury in collegiate swimmers. The swimmers tolerated high workloads spread throughout the season. However, there were increased odds of injury for high acute workloads (i.e., weekly workloads) and high acute:chronic workload ratios (i.e., the ratio of the acute workload to the current month’s chronic workload).

Pollen T, Keitt F, Trojian T (2021). Do Normative Composite Scores on the Functional Movement Screen Differ Across High School, Collegiate, and Professional Athletes? A Critical Review. Clinical Journal of Sport Medicine, 31(1):91-102.

This study determined whether normative composite scores on the Functional Movement Screen differed across high school, collegiate, and professional athletic populations. Normative scores were invariant to level of play, with most scores falling between 14 and 16.