Abstract
Background: The lack of consensus on the relevance of the varus talar tilt test (VTTT) might be due to the divergence between the insufficiency vector of lateral ankle instability and the direction of this clinical test. Our hypothesis is that the VTTT is more accurate to diagnose lateral ankle ligaments rupture when it's applied with a pre-positioning of the foot in internal rotation (IR). Methods: We compared, in 12 cadaver ankles, the varus opening during a classic VTTT with the same test starting in an IR pivot, using a new arthrometer. Results: The classic VTTT caused a 13° tilt after ATFL section and 23,8° after ATFL and CFL section. The application of a VTTT with an IR prepositioning caused a 21,2° tilt after ATFL section (p = 0,002) and 29,5° after ATFL and CFL section (p = 0,006). Conclusion: The VTTT is better to identify lateral ankle ligaments' insufficiency when it's applied with a pre-positioning of the foot in internal rotation. The resulting vector is similar to the supination trauma.
| Original language | English |
|---|---|
| Journal | Foot and Ankle Surgery |
| DOIs | |
| Publication status | Published - 1 Jan 2019 |
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Keywords
- (MeSH terms) Ankle sprains
- Ankle lateral ligament
- Anterior talofibular ligament
- Calcaneofibular ligament
- Instability
- Stress test
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Varus talar tilt combined with an internal rotation pivot stress assesses the supination instability vector in lateral ankle ligaments’ injury — cadaver study. / Guerra-Pinto, Francisco; Côrte-Real, Nuno; Gomes, Tiago Mota; Consciência, José Guimarães; Glazebrook, Mark; Oliva, Xavier Martin.
In: Foot and Ankle Surgery, 01.01.2019.Research output: Contribution to journal › Article
TY - JOUR
T1 - Varus talar tilt combined with an internal rotation pivot stress assesses the supination instability vector in lateral ankle ligaments’ injury — cadaver study
AU - Guerra-Pinto, Francisco
AU - Côrte-Real, Nuno
AU - Gomes, Tiago Mota
AU - Consciência, José Guimarães
AU - Glazebrook, Mark
AU - Oliva, Xavier Martin
PY - 2019/1/1
Y1 - 2019/1/1
N2 - Background: The lack of consensus on the relevance of the varus talar tilt test (VTTT) might be due to the divergence between the insufficiency vector of lateral ankle instability and the direction of this clinical test. Our hypothesis is that the VTTT is more accurate to diagnose lateral ankle ligaments rupture when it's applied with a pre-positioning of the foot in internal rotation (IR). Methods: We compared, in 12 cadaver ankles, the varus opening during a classic VTTT with the same test starting in an IR pivot, using a new arthrometer. Results: The classic VTTT caused a 13° tilt after ATFL section and 23,8° after ATFL and CFL section. The application of a VTTT with an IR prepositioning caused a 21,2° tilt after ATFL section (p = 0,002) and 29,5° after ATFL and CFL section (p = 0,006). Conclusion: The VTTT is better to identify lateral ankle ligaments' insufficiency when it's applied with a pre-positioning of the foot in internal rotation. The resulting vector is similar to the supination trauma.
AB - Background: The lack of consensus on the relevance of the varus talar tilt test (VTTT) might be due to the divergence between the insufficiency vector of lateral ankle instability and the direction of this clinical test. Our hypothesis is that the VTTT is more accurate to diagnose lateral ankle ligaments rupture when it's applied with a pre-positioning of the foot in internal rotation (IR). Methods: We compared, in 12 cadaver ankles, the varus opening during a classic VTTT with the same test starting in an IR pivot, using a new arthrometer. Results: The classic VTTT caused a 13° tilt after ATFL section and 23,8° after ATFL and CFL section. The application of a VTTT with an IR prepositioning caused a 21,2° tilt after ATFL section (p = 0,002) and 29,5° after ATFL and CFL section (p = 0,006). Conclusion: The VTTT is better to identify lateral ankle ligaments' insufficiency when it's applied with a pre-positioning of the foot in internal rotation. The resulting vector is similar to the supination trauma.
KW - (MeSH terms) Ankle sprains
KW - Ankle lateral ligament
KW - Anterior talofibular ligament
KW - Calcaneofibular ligament
KW - Instability
KW - Stress test
UR - http://www.scopus.com/inward/record.url?scp=85064139732&partnerID=8YFLogxK
U2 - 10.1016/j.fas.2019.03.007
DO - 10.1016/j.fas.2019.03.007
M3 - Article
JO - Foot and Ankle Surgery
JF - Foot and Ankle Surgery
SN - 1268-7731
ER -