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. 2023 Jul 24;5(4):100768.
doi: 10.1016/j.asmr.2023.100768. eCollection 2023 Aug.

The Modified Tampa-Scale of Kinesiophobia for Anterior Shoulder Instability

Theodore P van Iersel  1   2 , Marianne Larsen van Gastel  3 , Astrid Versantvoort  4 , Karin M C Hekman  4   5 , Inger N Sierevelt  6   7 , Birit F P Broekman  8   9   10 , Michel P J van den Bekerom  1   2   7   11 ; Dutch Shoulder Instability Group (DSIG)
Collaborators, Affiliations

The Modified Tampa-Scale of Kinesiophobia for Anterior Shoulder Instability

Theodore P van Iersel et al. Arthrosc Sports Med Rehabil. .

Abstract

Purpose: To assess content validity and to modify the Tampa Scale of Kinesiophobia (TSK) to make it suitable for application in patients with anterior shoulder instability.

Methods: A four-round Delphi method was performed to establish expert consensus on developing the Tampa Scale of Kinesiophobia for patients with anterior shoulder instability (TSK-SI) using an expert group of Dutch shoulder-specialized orthopedic surgeons and physiotherapists. During round 1, experts were asked to score the 17 items of the original TSK on relevance and construction using the COSMIN guidelines. With this feedback, questions were reviewed and modified. During round 2, experts were asked to score the modified items. This process was repeated until consensus was established. Then, patients were asked to participate in a moderator-guided, three-step-test interview using a Web-based platform to assess the modified scale. Sessions were recorded and evaluated by the working group. The modified scale was finally adjusted on the basis of the input of these patients.

Results: Thirty Dutch shoulder experts were included, of which 25 completed all 4 rounds, after which consensus was established. One question was added to the modified scale based on feedback in round 1, establishing the 18-item TSK-SI. Sixteen patients with shoulder instability were included, which all completed the three-step test interview. Following this, question 4 (changed to present tense) and question 7 (hypothetical component added) were adjusted, resulting in the final TSK-SI.

Conclusions: This consensus modification of the TSK to TSK-SI can support the content validity of the instrument to assess kinesiophobia in patients with anterior shoulder instability. These modifications may improve the responsiveness and validity of the TSK-SI, as it does not match all the items of the original TSK.

Level of evidence: Level V, consensus statement.

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Figures

Fig 1
Fig 1
Two-phased modification Tampa Scale of Kinesiophobia (TSK).
Fig 2
Fig 2
Participation expert consensus Delphi rounds.
See this image and copyright information in PMC

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