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To study efficacy of focus extracorporeal shock wave therapy on the flexibility of hamstring muscles in healthy subjects
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| F-ESWT | Experimental | F-EWST with 0.15 mJ/mm2 intensity and 6 Hz frequency for 3 weeks. The shocking head was placed at the muscle positions of the long head of the bicep femoris, semitendinosus, and semimembranosus for 1,000, 500, and 500 shocks, respectively, accounting for 2,000 shocks in total/ session/week. |
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| Sham-ESWT | Sham Comparator | sham ESWT by using the focused shockwave device and placing the shocking head in the same muscle positions as performed in the intervention group with 0.01 mJ/mm2 intensity and 6 Hz frequency in 2,000 shocks/session/week for 3 weeks. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| focus extracorporeal shock wave therapy | Device | F-EWST with 0.15 mJ/mm2 intensity and 6 Hz frequency for 3 weeks. The shocking head was placed at the muscle positions of the long head of the bicep femoris, semitendinosus, and semimembranosus for 1,000, 500, and 500 shocks, respectively, accounting for 2,000 shocks in total/ session/week. |
| Measure | Description | Time Frame |
|---|---|---|
| Passive knee extension test | The clinician extends the knee until reaching the maximal tolerable stretch of the hamstring muscle as indicated by the patient with the ipsilateral hip remaining in 90 of flexion. The knee angle is then measured with a goniometer | Immediately after every F-ESWT treatment, for 3sessions |
| Measure | Description | Time Frame |
|---|---|---|
| Back-saver sit-and-reach test (BSSR) | Immediately after every F-ESWT treatment, for 3sessions | |
| Sit and reach test (SRT) | Immediately after every F-ESWT treatment, for 3sessions | |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Songsuda Roongsaiwatana, M.D. | Ramathibodi Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Physical medicine and rehabilitation | Bangkok | 10400 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 28332373 | Background | Kim YW, Chang WH, Kim NY, Kwon JB, Lee SC. Effect of Extracorporeal Shock Wave Therapy on Hamstring Tightness in Healthy Subjects: A Pilot Study. Yonsei Med J. 2017 May;58(3):644-649. doi: 10.3349/ymj.2017.58.3.644. |
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| Home stretching program | Behavioral | The leaflet on hamstring stretching exercises (in a sitting posture) |
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| Toe touch test (TT) |
| Immediately after every F-ESWT treatment, for 3sessions |