Assessment of strength, flexibility, and running mechanics in men with iliotibial band syndrome

J Orthop Sports Phys Ther. 2014 Mar;44(3):217-22. doi: 10.2519/jospt.2014.4991. Epub 2014 Jan 22.

Abstract

Study design: Cross-sectional laboratory study.

Objectives: To assess differences in hip strength, iliotibial band length, and hip and knee mechanics during running between male runners with iliotibial band syndrome (ITBS) and healthy controls.

Background: Flexibility, strength, and running mechanics are commonly assessed in patients with ITBS. However, these variables have not been evaluated concurrently in this population.

Methods: Thirty-four men participated (17 healthy, 17 ITBS). Hip strength was measured with a handheld dynamometer, and iliotibial band length was assessed using an inclinometer while performing the Ober test. Kinetic and 3-D kinematic data were obtained during running. Kinematic variables of interest included frontal and transverse plane hip and knee joint angles during early stance. Independent-samples t tests, as well as effect sizes, were used to assess group differences.

Results: Compared to the control group, persons with ITBS had a significantly lower Ober measurement (1.2°), weaker hip external rotators (1.2 Nm/kg), greater hip internal rotation (3.7°), and greater knee adduction (3.6°). However, only hip internal rotation and knee adduction exceeded the minimal detectable difference value.

Conclusion: Our results suggest that intervention strategies that target neuromuscular control of the hip and knee may be indicated for males with ITBS.

Publication types

  • Comparative Study
  • Research Support, N.I.H., Extramural

MeSH terms

  • Adult
  • Biomechanical Phenomena
  • Cross-Sectional Studies
  • Hip Joint / physiopathology
  • Humans
  • Iliotibial Band Syndrome / physiopathology*
  • Knee Joint / physiopathology
  • Male
  • Muscle Strength / physiology*
  • Range of Motion, Articular / physiology*
  • Running / physiology*
  • Young Adult