Ankle dorsiflexion among healthy men with different qualities of lower extremity movement

Alon Rabin, Zvi Kozol, Elad Spitzer, Aharon Finestone

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Context: Lower extremity movement patterns have been implicated as a risk factor for various knee disorders. Ankledorsiflexion (DF) range of motion (ROM) has previously been associated with a faulty movement pattern among healthy female participants. Objective: To determine the association between ankle DF ROM and the quality of lower extremity movement during the lateral step-down test among healthy male participants. Design: Cross-sectional study. Setting: Training facility of the Israel Defense Forces. Patients or Other Participants: Fifty-five healthy male Israeli military recruits (age = 19.7 ± 1.1 years, height = 175.4 ± 6.4 cm, mass = 72.0 ± 7.6 kg). Intervention(s): Dorsiflexion ROM was measured in weight-bearing and non-weight-bearing conditions using a fluid-filled inclinometer and a universal goniometer, respectively. Lower extremity movement pattern was assessed visually using the lateral step-down test and classified categorically as good or moderate. All measurements were performed bilaterally. Main Outcome Measure(s): Weight-bearing and non-weight-bearing DF ROM were more limited among participants with moderate quality of movement than in those with good quality of movement on the dominant side (P = .01 and P = .02 for weight-bearing and non-weight-bearing DF, respectively). Non-weight-bearing DF demonstrated a trend toward a decreased range among participants with moderate compared with participants with good quality of movement on the nondominant side (P = .03 [adjusted P = .025]). Weight-bearing DF was not different between participants with good and moderate movement patterns on the nondominant side (P = .10). Weightbearing and non-weight-bearing ankle DF ROM correlated significantly with the quality of movement on both sides (P < .01 and P < .05 on the dominant and nondominant side, respectively). Conclusions: Ankle DF ROM was associated with quality of movement among healthy male participants. The association seemed weaker in males than in females.

Original languageEnglish
Pages (from-to)617-623
Number of pages7
JournalJournal of Athletic Training
Volume49
Issue number5
DOIs
StatePublished - 1 Nov 2014

Keywords

  • Anterior cruciate ligament
  • Hip
  • Knee
  • Lateral step-down test
  • Patellofemoral pain syndrome

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