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Context: Stretching has become a universally accepted practice used to increase flexibility, reduce muscle injury, and improve performance. In addition to stretching, modalities, such as ultrasound have been used to increase collagen extensibility, therefore increasing range of motion through deep heating. The premise for this study was to see if combining a stretching routine with ultrasound would improve range of motion (ROM) and postural control. Purpose: The purpose of this three trial study was to assess the effectiveness of both ultrasound and static stretching on hip flexor range of motion and postural control. Participant: Three males and three females between the ages of 18 and 30 were studied. All of the participants were moderately active and had not sustained an injury to their dominant leg six months prior to the study. Methods: Each participant completed all three trials (ultrasound alone, stretching alone, ultrasound and stretching combined) within one week, with a 24-hour period placed between each trial. Active hip extension and star excursion balance measurements were taken before and after each trial. Results: The 2 X 3 repeated measures ANOVA revealed no statistical significance for hip extension and SEBT (p=0.79 and p=0.13 respectively). The combo and US trials both showed a decrease in hip ROM, whereas static stretching improved hip ROM slightly (not significant). Conclusion: This research intended to determine ultrasound’s outcomes on increasing ROM and postural control in the hip flexors and how these effects could be enhanced by a stretching routine. However, the results of this study were found to be inconclusive for all three trials performed.

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Apr 11th, 3:40 PM Apr 11th, 4:00 PM

Comparing the Effects of Ultrasound and Stretching on Hip Flexor Flexibility and Postural Control

Context: Stretching has become a universally accepted practice used to increase flexibility, reduce muscle injury, and improve performance. In addition to stretching, modalities, such as ultrasound have been used to increase collagen extensibility, therefore increasing range of motion through deep heating. The premise for this study was to see if combining a stretching routine with ultrasound would improve range of motion (ROM) and postural control. Purpose: The purpose of this three trial study was to assess the effectiveness of both ultrasound and static stretching on hip flexor range of motion and postural control. Participant: Three males and three females between the ages of 18 and 30 were studied. All of the participants were moderately active and had not sustained an injury to their dominant leg six months prior to the study. Methods: Each participant completed all three trials (ultrasound alone, stretching alone, ultrasound and stretching combined) within one week, with a 24-hour period placed between each trial. Active hip extension and star excursion balance measurements were taken before and after each trial. Results: The 2 X 3 repeated measures ANOVA revealed no statistical significance for hip extension and SEBT (p=0.79 and p=0.13 respectively). The combo and US trials both showed a decrease in hip ROM, whereas static stretching improved hip ROM slightly (not significant). Conclusion: This research intended to determine ultrasound’s outcomes on increasing ROM and postural control in the hip flexors and how these effects could be enhanced by a stretching routine. However, the results of this study were found to be inconclusive for all three trials performed.