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Differences in Achilles tendon mechanical properties between professional ballet dancers and collegiate athletes utilizing shear wave elastography.
Gonzalez, Felix M; Gleason, Courtney N; Tran, Andrew; Wasyliw, Christopher; Risk, Benjamin B; Faulkner, Emma S; Blackmon, Amanda M; Reiter, David A.
Afiliación
  • Gonzalez FM; AdventHealth Radiology Central Florida, Orlando, FL, USA. fgonzalez401142@gmail.com.
  • Gleason CN; Department of Orthopaedics, Emory School of Medicine, Atlanta, GA, USA.
  • Tran A; Emory University School of Medicine, Atlanta, GA, USA.
  • Wasyliw C; Department of Radiology, Thomas Jefferson Hospital, Philadelphia, PA, USA.
  • Risk BB; AdventHealth Radiology Central Florida, Orlando, FL, USA.
  • Faulkner ES; Department of Biostatistics & Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
  • Blackmon AM; Atlanta Dance Medicine, Roswell, GA, USA.
  • Reiter DA; Atlanta Dance Medicine, Roswell, GA, USA.
Skeletal Radiol ; 53(7): 1381-1388, 2024 Jul.
Article en En | MEDLINE | ID: mdl-38277027
ABSTRACT

PURPOSE:

To report normative stiffness parameters obtained using shear wave elastography in dorsiflexion from the Achilles tendons in asymptomatic professional ballet dancers and compare them with college-level athletes.

METHODS:

An Institutional Review Board (IRB)-approved study consists of 28 professional ballet dancers and 64 asymptomatic collegiate athletes. The athletes were further subdivided into runner and non-runner disciplines. Shear wave elastography (SWE) measurements were made in maximum ankle dorsiflexion position. RESULTS AND

DISCUSSION:

Forty-eight (52%) males and 44 (48%) females were examined with an overall mean age of 22.2 (± 3.8 years). There were no significant SWE differences between dominant and non-dominant legs in both groups and comparing spin vs. non-spin leg of ballet dancers (p > 0.05). Ballet dancers had significantly higher short-axis velocity values than runners and non-runners (2.34 m/s increase and 2.79 m/s increase, respectively, p < 0.001). Long-axis velocity was significantly higher in ballet dancers compared to non-runners (by 0.80 m/s, p < 0.001), but was not different between ballet dancers and runners (p > 0.05). Short-axis modulus was significantly higher in dancers compared to runners and non-runners (by 135.2 kPa and 159.2 kPa, respectively, p < 0.001). Long-axis modulus (LAM) was not significantly different in ballet dancers when compared to runners.

CONCLUSION:

Asymptomatic professional ballet dancers exhibit greater short-axis tendon stiffness compared to athletes and greater long-axis tendon stiffness compared to non-runners but similar to runners. The functional benefit from elevated short-axis stiffness in dancers is not clear but may be related to greater axial loading and adaptations of the tendon matrix.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tendón Calcáneo / Baile / Diagnóstico por Imagen de Elasticidad / Atletas Límite: Adult / Female / Humans / Male Idioma: En Revista: Skeletal Radiol Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Alemania

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tendón Calcáneo / Baile / Diagnóstico por Imagen de Elasticidad / Atletas Límite: Adult / Female / Humans / Male Idioma: En Revista: Skeletal Radiol Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Alemania