Related Experiment Video
Updated: May 23, 2026

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
Published on: July 2, 2021
Cam morphology in the human hip
1Department of Orthopaedics, The Ohio State University Medical Center, Columbus, Ohio 43221, USA.
Insights
This study introduces a new classification for cam morphology, a complex hip condition. It reviews historical, biomechanical, and genetic factors influencing this important area of femoroacetabular impingement research.
Area of Science:
- Orthopedic Surgery
- Human Anatomy
- Biomechanical Engineering
Background:
- Femoroacetabular impingement (FAI) diagnosis and treatment are gaining attention.
- Cam morphology, a key feature of FAI, is located in a complex anatomical region.
- Understanding its development and function is crucial for clinical practice.
Purpose of the Study:
- To introduce a novel classification scheme for cam morphology.
- To provide a comprehensive review of factors influencing cam morphology.
- To enhance understanding of femoroacetabular impingement.
Main Methods:
- Literature review encompassing historical, anthropological, and genetic factors.
- Analysis of biomechanical principles related to proximal femur topography.
- Development of a new classification system for cam morphology.
Main Results:
- Cam morphology is a complex topographical aberration with significant developmental, kinematic, and biomechanical implications.
- A new classification scheme for cam morphology has been proposed.
- Historical, anthropological, biomechanical, and genetic factors are integral to understanding cam morphology.
Conclusions:
- The proposed classification scheme offers a structured approach to understanding cam morphology.
- A multidisciplinary review highlights the complexity of cam morphology in femoroacetabular impingement.
- Further research into the proposed classification and contributing factors is warranted.
Abstract:
A growing interest exists in the diagnosis and treatment of femoroacetabular impingement. Although cam morphology of the proximal femur may conceptually appear to be a relatively simple topographical aberrancy, it is actually positioned amid a complex developmental, kinematic, and biomechanical region of the human body. The authors introduce a new classification scheme and review the historical and anthropological considerations, biomechanics, and genetic factors involved in cam morphology.
Related Concept Videos
Bones of the Lower Limb: Femur and Patella
Bones of the Upper Limb: Humerus
Bones of the Lower Limb: Tibia and Fibula
Knee Joint
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
Axial and Appendicular Muscles
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and play a...
Anatomical Positions
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...

