Stretching Effects on Submaximal Performance and Hip Active Range of Motion

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Jessica Hobart Colleen Seroka Brittany Hughes Susan Kotowski


By Jessica Hobart, Health Sciences; Colleen Seroka, Health Sciences ; Brittany Hughes, Health Sciences

Advisor: Susan Kotowski

Presentation ID: AM_B29

Abstract: Background: Stretching is commonly completed before and/or after exercise to enhance performance and prevent injury. However, the benefits of stretching and mechanisms of these effects are not completely understood. Additionally, evidence is lacking comparing the effects of dynamic and static stretching. Therefore, there is need to investigate the differences between the effects of static stretching, dynamic stretching, or no stretching before and after exercise. Objective: This study was conducted to determine whether stretching affects exercise performance and hip active range of motion (AROM). Methods: Subjects over age 18 years old completed three 30-minute visits within a 3-5 week timespan. The Queen's College Step Test, a 3-minute submaximal step test, was completed at visit. All participants completed static stretching, dynamic stretching, or no stretching to warm-up/cool-down across the 3 visits. The type of warm-up and cool-down were randomized and counterbalanced between participants. Hip AROM measurements were collected before and after the warm-up and cool-down, respectively. Heart rate and oxygen saturation were collected via pulse oximeter, and Rating of Perceived Exertion (RPE) was measured using the Borg scale periodically throughout the visit. Anticipated Results: Based on prior research, it is anticipated that dynamic stretching will significantly increase hip AROM and exercise performance measured by RPE, increased VO2 max, and increased oxygen saturation.

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