Cam Morphology Is Associated With Increased Femoral Version: Findings From a Collection of 1,321 Cadaveric Femurs

Andrew L Schaver; Abioye Oshodi; Natalie A Glass; Kyle R Duchman; Michael C Willey; Robert W Westermann

doi:10.1016/j.arthro.2021.07.032

Back

Cam Morphology Is Associated With Increased Femoral Version: Findings From a Collection of 1,321 Cadaveric Femurs

Journal article

Peer reviewed

Cam Morphology Is Associated With Increased Femoral Version: Findings From a Collection of 1,321 Cadaveric Femurs

Andrew L Schaver, Abioye Oshodi, Natalie A Glass, Kyle R Duchman, Michael C Willey and Robert W Westermann

Arthroscopy, Vol.38(3), pp.831-836

03/2022

DOI: 10.1016/j.arthro.2021.07.032

PMID: 34371140

View Online

Abstract

Background To evaluate the relationship between femoral version (FV) and α angle (AA) in a large osteological collection of human femurs. Methods The University of Iowa-Stanford osteological collection was used to evaluate the research aims. To measure FV and AA, axial photographs of the proximal femurs were taken, referenced from the posterior condylar axis. FV and AA measurements were obtained using ImageJ software, and the relationship between FV and AA was assessed with repeated-measures analysis of variance and generalized linear models. A P value of <.05 was considered statistically significant. Results A total of 1321 cadaveric femurs (666 left and 655 right) in 721 cadavers were examined. The average AA for all femurs was 47.8° ± 10.9°, and the average FV for all femurs was 8.53° ± 8.09°. Overall, 191 femurs (14.5%) exhibited cam morphology (AA ≥ 60°). Of the 721 cadavers, 600 had both femurs available for side-to-side comparison. The average FV of femurs with cam morphology was significantly higher than that of femurs without cam morphology (11.70° ± 8.82° vs. 7.99° ± 8.82°, P < .001). Linear regression analysis demonstrated that increased AA was significantly correlated with increased FV (β ± standard error of the mean = 0.21 ± 0.02, P < .0001). Conclusion In a large osteological collection of human femurs, a significant positive relationship between AA and increasing FV was identified.

Cadaver

Femoracetabular Impingement

Femur

Hip Joint

Humans

Lower Extremity

Details

Title: Subtitle: Cam Morphology Is Associated With Increased Femoral Version: Findings From a Collection of 1,321 Cadaveric Femurs
Creators: Andrew L Schaver - University of Iowa
Abioye Oshodi - Roy J. and Lucille A. Carver College of Medicine
Natalie A Glass - University of Iowa
Kyle R Duchman - University of Iowa
Michael C Willey - University of Iowa
Robert W Westermann - University of Iowa Hospitals and Clinics
Resource Type: Journal article
Publication Details: Arthroscopy, Vol.38(3), pp.831-836
DOI: 10.1016/j.arthro.2021.07.032
PMID: 34371140
NLM abbreviation: Arthroscopy
ISSN: 0749-8063
eISSN: 1526-3231
Publisher: Elsevier
Language: English
Date published: 03/2022
Academic Unit: Orthopedics and Rehabilitation; Injury Prevention Research Center; Athletic Training Program
Record Identifier: 9984303986702771

Metrics

11 Record Views

10 Times Cited - Web of Science

See more details