Related Experiment Video

Updated: Mar 11, 2026

Author Spotlight: A Novel 3D-Printed Titanium Implant for Minimally Invasive Treatment of Hip Dysplasia in Young Dogs
08:40

Author Spotlight: A Novel 3D-Printed Titanium Implant for Minimally Invasive Treatment of Hip Dysplasia in Young Dogs

Published on: April 19, 2024

3.9K

Is the hip capsule thicker in diseased hips?

K S Rakhra1, A A Bonura2, R Nairn3

  • 1Associate Professor, The Ottawa Hospital/Ottawa Hospital Research Institute, General Campus, 501 Smyth Road, Ottawa, Ontario, K1H 8L6, Canada krakhra@toh.on.ca.

Bone & Joint Research
|December 2, 2016
PubMed

Insights

The hip capsule is thicker in patients with surgical hip disease compared to healthy individuals. However, the increased thickness is not specific to cam-femoroacetabular impingement (FAI) or other hip pathologies.

Area of Science:

  • Orthopedics
  • Radiology
  • Hip Pathophysiology

Background:

  • Hip capsule thickness is a potential indicator of hip joint pathology.
  • Understanding variations in capsule thickness can aid in diagnosing and managing hip conditions.

Purpose of the Study:

  • To compare hip capsule thickness in patients with cam-femoroacetabular impingement (FAI) and non-FAI hip disease against asymptomatic controls.
  • To determine if capsule thickness differs between cam-FAI and non-FAI hip pathologies.

Main Methods:

  • 3 Tesla MRI was used to measure maximal anterior and superior hip capsule thickness in 56 hips across three groups: cam-FAI, non-FAI hip disease, and asymptomatic controls.
  • Statistical analysis, including student's t-test and Pearson's correlation coefficient, was employed to compare groups and assess the relationship between alpha angle and capsule thickness.

Main Results:

  • The hip capsule was significantly thicker superiorly in both cam-FAI and non-FAI surgical groups compared to the asymptomatic group.
  • Superior capsule thickness exceeded anterior thickness in both surgical groups but not in controls.
  • No significant correlation was found between alpha angle and capsule thickness, nor were gender differences observed.

Conclusions:

  • Hip capsule thickness is greater in diseased surgical hips than in asymptomatic hips.
  • Increased hip capsule thickness is not specific to cam-FAI or non-FAI hip disease etiology.
  • Capsule thickness measurements may serve as a general indicator of hip pathology rather than differentiating specific conditions.
Abstract

Keywords:
Alpha angleCamFemoroacetabular impingementHip capsuleHip joint

More Related Videos

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy07:43

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

3.7K
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

3.8K

Related Concept Videos

Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
603
Changes in the Appendicular Skeleton with Age01:09

Changes in the Appendicular Skeleton with Age

The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
3.9K
Bones of the Upper Limb: Humerus01:19

Bones of the Upper Limb: Humerus

The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
13.2K