Activity Level in Young Patients With Primary Total Hip Arthroplasty. A 5-Year Minimum Follow-up

V. Franklin Sechriest, Richard F Kyle, Daniel J. Marek, Jesse D. Spates, Khaled J. Saleh, Michael Kuskowski

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65 Scopus citations


Increased activity level after total hip arthroplasty (THA) is considered a risk factor for early prosthetic failure in young patients. Forty-one primary total hip arthroplasties in 34 patients were evaluated. Walking activity was measured using a pedometer to record gait cycles. Patients completed a University of California, Los Angeles (UCLA) activity questionnaire. Linear wear rates were measured. Mean ages at surgery and final follow-up were 42 and 50.3 years, respectively (mean gait cycles per year, 1.2 million; mean UCLA score, 6; mean linear wear, 0.16 mm/y). Increased body mass index and age correlated with decreased gait cycles per year. Patients with systemic disease were less active than patients with localized hip conditions. Femoral head diameter was a predictor of linear wear. The average gait cycles per year and wear rate for this population do not appear accelerated relative to average values reported in older populations.

Original languageEnglish (US)
Pages (from-to)39-47
Number of pages9
JournalJournal of Arthroplasty
Issue number1
StatePublished - Jan 2007
Externally publishedYes


  • THA
  • activity level
  • pedometer
  • young patient


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