Femoroacetabular impingement and osteoarthritis of the hip

C Zhang, L Li, BB Forster, JA Kopec, C Ratzlaff… - Canadian Family …, 2015 - cfp.ca
Objective To outline the clinical presentation, physical examination findings, diagnostic criteria,
and management options of femoroacetabular impingement (FAI). Sources of information …

Work‐related repetitive strain injury and leisure‐time physical activity

CR Ratzlaff, JH Gillies… - Arthritis Care & …, 2007 - Wiley Online Library
Objective To investigate the relationship between leisure‐time physical activity and work‐related
repetitive strain injury (RSI), adjusted for sociodemographic characteristics and work‐…

Alcohol consumption and risk of total hip replacement due to hip osteoarthritis in women

…, BA Rosner, EW Karlson, C Ratzlaff… - Arthritis & …, 2023 - Wiley Online Library
Objective This study was undertaken to examine the relationship between alcohol consumption
and hip osteoarthritis in women. Alcohol has been associated with both adverse and …

Reliability and validity of an internet-based questionnaire measuring lifetime physical activity

MA De Vera, C Ratzlaff, P Doerfling… - American journal of …, 2010 - academic.oup.com
Lifetime exposure to physical activity is an important construct for evaluating associations
between physical activity and disease outcomes, given the long induction periods in many …

[HTML][HTML] New developments in osteoarthritis. Prevention of injury-related knee osteoarthritis: opportunities for the primary and secondary prevention of knee …

CR Ratzlaff, MH Liang - Arthritis research & therapy, 2010 - ncbi.nlm.nih.gov
Where risk factors have been identified in knee and hip osteoarthritis (OA), with few exceptions,
no prevention strategies have proven beneficial. The major risk factors for knee OA are …

Reliability of hip examination tests for femoroacetabular impingement

C Ratzlaff, J Simatovic, H Wong, L Li… - Arthritis Care & …, 2013 - Wiley Online Library
Objective To assess the interrater reliability of hip examination tests used to assess
femoroacetabular impingement (FAI) among clinicians from different disciplines. Methods Twelve …

Race, sex, and risk factors in radiographic worsening of knee osteoarthritis

ER Vina, D Ran, EL Ashbeck, C Ratzlaff… - Seminars in arthritis and …, 2018 - Elsevier
Objectives Characterize radiographic worsening in knee osteoarthritis (KOA) by race and
sex over 4 years and evaluate the role of established risk factors in observed race/sex …

[HTML][HTML] A quantitative metric for knee osteoarthritis: reference values of joint space loss

C Ratzlaff, EL Ashbeck, A Guermazi, FW Roemer… - Osteoarthritis and …, 2018 - Elsevier
Objectives Knee osteoarthritis (OA) onset and progression has been defined with transitions
in Kellgren-Lawrence (KL) grade or Osteoarthritis Research Society International (OARSI) …

The prevalence of radiographic femoroacetabular impingement in younger individuals undergoing total hip replacement for osteoarthritis

…, BB Forster, M De Vera, J Kopec, C Ratzlaff… - Clinical …, 2012 - Springer
Femoroacetabular impingement (FAI) has been suggested as a major cause of primary hip
osteoarthritis (PHOA). We assessed the prevalence of FAI detected radiographically in a …

Clinical findings in patellofemoral osteoarthritis compared to individually-matched controls: a pilot study

…, BB Forster, CR Ratzlaff… - BMJ Open Sport & …, 2020 - bmjopensem.bmj.com
Objective To explore clinical characteristics in individuals with patellofemoral osteoarthritis (PFOA)
compared to individually-matched asymptomatic controls. We also explored …