Reliability of an isometric test for measuring the strength of the hip abductors and adductors

Authors

  • Manoella Regina de Souza Silva Universidade Federal do Mato Grosso
  • Thiago Keitiney Souza Teixeira da Silva Universidade Federal do Mato Grosso
  • Valdemi Xavier Delmondes Junior Universidade Federal do Mato Grosso
  • Silvia Ribeiro Santos Araújo Universidade Federal de Minas Gerais
  • Adriano Percival Calderaro Calvo Universidade Federal do Mato Grosso
  • Jacielle Carolina Ferreira Universidade Federal do Mato Grosso

DOI:

https://doi.org/10.14393/BJ-v36n3a2020-42693

Keywords:

Muscle strength dynamometer, Isometry, Load Cell, Intraclass Correlation Coefficient

Abstract

This study aimed to measure the reliability of a test for measuring the strength and strength imbalance of the hip abductors and adductors, using isokinetic equipment adapted for isometric testing. Thirteen healthy, physically active male individuals took part in the research. Two unilateral isometric tests were undertaken using a load cell attached to an adapted abductor bench machine: a hip abduction test and hip adduction test. Tests consisted of two maximum voluntary isometric contractions made for six seconds with a break of one minute between each. The following dynamic variables were measured: maximum force, mean force, rate of force development for each limb (right and left), and the existence of asymmetries between the limbs. For statistical analysis, the t-test, intraclass correlation coefficient (ICC), and standard error of measurement (SEM) were applied. Results: The methodology utilized for the evaluation of the hip abductors and adductors did not show reliability in most of the parameters researched, with the ICC neither sufficient or low, and the retest performance higher than the test (p < 0.05). The applied test was not reliable for assessing strength and strength imbalances of hip abductors and adductors in most of the parameters investigated. These results indicate that the hip joints, more precisely, the abductor and adductor muscles, are complex structures to be assessed. They need to be previously familiarized with the proposed exercise, as their performance does not occur habitually. It is recommended to develop new tests in order to measure hip abduction and adduction strength adding a prior familiarization procedure.

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Published

2020-04-13

How to Cite

SILVA, M.R. de S., DA SILVA, T.K.S.T., DELMONDES JUNIOR, V.X., ARAÚJO, S.R.S., CALVO, A.P.C. and FERREIRA, J.C.., 2020. Reliability of an isometric test for measuring the strength of the hip abductors and adductors. Bioscience Journal [online], vol. 36, no. 3, pp. 1043–1050. [Accessed22 June 2024]. DOI 10.14393/BJ-v36n3a2020-42693. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/42693.

Issue

Section

Health Sciences