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Clinicians need to evaluate the psychological readiness to return to sports after an shoulder injury. The SIRSI is a questionnaire that provides such information, however it has not yet been translated and tested for a German speaking population (Switzerland, Austria or Germany). Similarily the TSK-SI is a questionnaire that measures fear of movement in patients with shoulderinstability, which is also not available to German speaking patients.
This study is conducted to translate both questionnaires into German and test it in German speaking patients in Switzerland.
Return to Sports (RTS) is an important outcome measure after shoulder instability treatment (Abdul-Rassoul et al., 2019). While the definition of returning to sport is not clear (Doege et al., 2021), efforts have been made to provide consensus. The concept of Return to Sport is multifactorial consisting of physical, psychological, and social/contextual factors in an interplay with sociodemographic and injury factors. Furthermore, different stages of RTS have been defined (Ardern et al., 2016). To take all factors into account, outcome measures like the ACL-RSI for anterior cruciate ligament ruptures have been invented (Webster et al., 2008). To provide such a measure for the shoulder instability cohort Gerometta et al (2018) have adapted the ACL-RSI to a shoulder instability population and named it the Shoulder Instability Return to Sport Index (SIRSI). Since then, this outcome has been frequently used to determine psychological readiness to RTS (Rossi et al., 2022). Despite an available German translation, published by a German insurance company (Return-to-Competition Schulter: Shoulder Instability-Return to Sport after Injury (SIRSI)-Skala (vbg.de), accessed 23.01.2024), the SIRSI is not scientifically available for a German speaking population, because this version has never been officially translated and validated. Similarly the Tampa Scale for Kinesiophobia (TSK) has been invented to measure an excessive fear of movement due to painful injury in chronic low back pain (Miller et al., 1991). The Scale was then adapted to the shoulder instability cohort (van Iersel et al., 2023). However, it is currently not available in German. Therefore, this project seeks to translate the SIRSI and TSK-SI into a German version and validate them in a German speaking population in Switzerland.
The aim of the project is to translate the Shoulder Instability Return to Sports Index (SIRSI) and Tampa Scale for Kinesiophobia - Shoulder Instability (TSK-SI) into a German version and assess its validity in a Swiss-German population of patients with shoulder instability treated conservatively or surgically and planning to return to sports.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| SIRSI and TSK-SI | Other | The SIRSI and TSK-SI as well as the WOSI and RTS-, Clinical- and Demographic Information are gathered. The SIRSI and TSK-SI are re-administered one week later |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| SIRSI and TSK-SI | Other | The SIRSI and TSK-SI as well as the WOSI and RTS-, Clinical- and Demographic Information are gathered. The SIRSI and TSK-SI are re-administered one week later |
| Measure | Description | Time Frame |
|---|---|---|
| Shoulder Instability Return to Sports Index - German (SIRSI-D) | The SIRSI has been adapted to the shoulder instability cohort from the Anterior Cruciate Ligament Return to Sport Index (ACL-RSI) by (Gerometta et al., 2018). It is composed of twelve items that are rated on a zero to ten. The single total score is calculated by multiplying the sum of each item and dividing it by 120. The worst score then is zero indicating no psychological readiness to RTS and 100 the best, indicating full psychological readiness to RTS. | Baseline and after one week |
| Tampa Scale for Kinesiophobia Shoulder Instability German (TSK-SI-D) | The TSK-SI has been adapted to the shoulder cohort by van Iersel et al (2023). The TSK-SI is composed of 18 questions scored on a 4 point Likert-Scale from "Strongly agree" to "Strongly disagree". The lowest score is 18, indicating no kinesiophobia and 72, indicating highest level of kinesiophobia. | Baseline and after one week |
| Measure | Description | Time Frame |
|---|---|---|
| Western Ontario Shoulderinstability Index German (WOSI) | The the Western Ontario Shoulderinstability Index (WOSI) was developed by Kirkley (2003) and is the most prominent PROM in clinic and research for shoulder instability. The WOSI consists of 21 items and four domains: Physical symptoms (10 items), Sports, recreation, and work (4 items), lifestyle (4 items) and emotions (3 items). The scale for each item ranges from 0 to 100, allowing for a total score of 0 (best) to 2100 (worst). |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Asimina Lazaridou, PhD | Schulthess Klinik Zürich | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Schulthess Klinik | Zurich | 8008 | Switzerland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37645388 | Background | van Iersel TP, Larsen van Gastel M, Versantvoort A, Hekman KMC, Sierevelt IN, Broekman BFP, van den Bekerom MPJ; Dutch Shoulder Instability Group (DSIG). The Modified Tampa-Scale of Kinesiophobia for Anterior Shoulder Instability. Arthrosc Sports Med Rehabil. 2023 Jul 24;5(4):100768. doi: 10.1016/j.asmr.2023.100768. eCollection 2023 Aug. | |
| 28707114 |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Jul 9, 2024 | Aug 20, 2025 | Prot_SAP_001.pdf |
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| ID | Term |
|---|---|
| D000092442 | Kinesiophobia |
| ID | Term |
|---|---|
| D010698 | Phobic Disorders |
| D001008 | Anxiety Disorders |
| D001523 | Mental Disorders |
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| Baseline |
| SSV | The subjective shoulder value (SSV) was introduced by Gilbart and Gerber (2007) and provides a simple measure to represent shoulder functionality during activities of daily living (ADL). Patients are asked to rate their overall shoulder state on a scale from 0 to 100 percent, where a healthy shoulder is 100 percent. The scale results in a value between zero and 100, where zero means no subjective functionality during ADLs. | Baseline |
| sSSV | Because the standard SSV might lack sport specific context Descamps et al (2023) suggested the sport subjective shoulder value (sSSV) with the question "Regarding sports practice, what is the overall percent value of your shoulder, if a completely normal shoulder represents 100% and a non-functional shoulder represents 0%?". The scale results in a value between zero and 100, where zero means no subjective functionality during sport. | Baseline |
| Return to Sports Status | Ardern et al (2016) defined RTS as that the athlete has returned to his previous sport but not necessarily at the same performance level and differentiated it to return to participation and return to performance. This spectrum will be assessed using custom build questions to determine the RTS level | Baseline |
| Gerometta A, Klouche S, Herman S, Lefevre N, Bohu Y. The Shoulder Instability-Return to Sport after Injury (SIRSI): a valid and reproducible scale to quantify psychological readiness to return to sport after traumatic shoulder instability. Knee Surg Sports Traumatol Arthrosc. 2018 Jan;26(1):203-211. doi: 10.1007/s00167-017-4645-0. Epub 2017 Jul 13. |