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Comparison of SASTM and DSTM Interventions on Hamstring F lexibility . Maranda Rude ATTR 540 Research Methods in Human Performance. Background Information. Hamstring tightness is commonly a risk factor for soft tissue injuries IASTM increased mobility and decreased pain after injury
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Comparison of SASTM and DSTM Interventions on Hamstring Flexibility Maranda Rude ATTR 540 Research Methods in Human Performance
Background Information • Hamstring tightness is commonly a risk factor for soft tissue injuries • IASTM increased mobility and decreased pain after injury • Massage receives inconclusive results in regards to increasing flexibility
Purpose and Research Questions Effects of Sound Assisted Soft Tissue Mobilization (SASTM) or Dynamic Soft Tissue Mobilization (DSTM) on hamstring range of motion Does SASTM increase hamstring ROM? Does DSTM increase hamstring ROM? Which treatment will increase hamstring ROM more?
Hypotheses SASTM will increase hamstring ROM DSTM will increase hamstring ROM SASTM will increase hamstring ROM more than DSTM
Participants • Manchester University students • Variety of activity levels • Exclusion Criteria • Low back or hamstring injury in past 6 months • Unable to perform the back saver sit and reach test
Instrumentation • Demographic Questionnaire • Age, sex, activity level, and relevant medical history • DSTM • Classic massage techniques • Dynamic component • DSTM Video
Instrumentation • SASTM • One treatment per week for four weeks • Hard plastic made in variety of shapes and sizes • SASTM Video
Instrumentation • Back Saver Sit and Reach • Tests flexibility of each leg
Procedures • Institutional Review Board approval • Consent Form • Demographic Questionnaire • Group assignment • Back Saver Sit and Reach • Sound Assisted Soft Tissue Mobilization • Sweeping/Scanning • Strumming
Procedures • Dynamic Soft Tissue Mobilization • Prone with hip and knee in a relaxed position • Classic Massage- 5 strokes each • Effleurage • Kneading • Picking up • Shaking • Assessment • Deep longitudinal strokes • Dynamic Component
Statistical Analysis Collected and stored- password protected computer Pre and post treatment sit and reach results Repeated measure ANOVA
Delimitations/Limitations No injuries that would decrease their ability to perform a sit and reach test No hamstring or lower back injury for at least six months Small population Not a blind experiment Not SASTM certified
Results DSTM vs. SASTM Significant differences during treatments
Analysis and Conclusion • Accepted Hypotheses • SASTM increases hamstring ROM • DSTM increases hamstring ROM • Refuted Hypothesis • SASTM increases hamstring ROM more than DSTM