ArticleShoulder & elbow2019
The biomechanics of proximal humeral fractures: Injury mechanism and cortical morphology.
Article in Shoulder & elbow, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Radiographic Assessment of Glenoid Morphology and Its Association with Proximal Humeral Fracture Configuration.Journal of clinical medicine · 2026Article
- Multifragmentary proximal humeral fractures-precise fracture anatomy of the tuberosities identified with three-dimensional computed tomography.JSES reviews, reports, and techniques · 2026Article
- A study on the biomechanical properties of cancellous bone across different regions of the proximal humerus.Journal of orthopaedic surgery and research · 2025Article
- Intramedullary Nails vs. Locking Plates for Displaced Proximal Humerus Fractures in Patients over 60: A Comparative Clinical Study.Journal of clinical medicine · 2025Article
- Clinico-radiological outcomes of four-part proximal humerus fracture fixation with fibular strut graft augmentation.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2025Article
- The Role of Arthroscopy As Minimal Invasive for Shoulder Trauma: Literature Review.Orthopedic reviews · 2025Article
- Article
- Mechanisms of shoulder trauma: Current concepts.World journal of orthopedics · 2024Review
- Locked Stem Reverse Total Shoulder Arthroplasty for Complex Proximal Humerus Fracture in the Elderly: Clinical and Radiological Short-Term Results.Journal of shoulder and elbow arthroplasty · 2024Article
- Influence of rotator cuff preload on fracture configuration in proximal humerus fractures: a proof of concept for fracture simulation.Archives of orthopaedic and trauma surgery · 2023Article
- The Reliability and Reproducibility of a New Revised Edelson Classification.Orthopaedic surgery · 2022Article
- HR-pQCT parameters of the distal radius correlate with the bending strength of the radial diaphysis.Bone · 2022Article
- Injuries from falls by older adults in long-term care captured on video: Prevalence of impacts and injuries to body parts.BMC geriatrics · 2022Observational
- Menopause-related cortical loss of the humeral head region mainly occurred in the greater tuberosity.Frontiers in endocrinology · 2022Article
- The Role of Fall Biomechanics in the Cause and Prevention of Bone Fractures in Older Adults.Current osteoporosis reports · 2021Review
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe aim of this study was to examine the effect of arm position on proximal humerus fracture configuration and to determine whether cortical thinning would predispose to fracture propagation and more complex patterns of injury.
methodsA drop test rig was designed to simulate falls onto an outstretched arm ('parachute reflex'). Thirty-one cadaveric specimens underwent computer tomography scanning and cortical thicknesses mapping. Humeri were fractured according to one of the two injury mechanisms and filmed using a high-speed camera. Anatomical descriptions of the injuries were made. Areas of thinning were measured and correlated with zones of fracture propagation.
resultsDirect impact simulation resulted in undisplaced humeral head split fractures in 53% of cases, with the remainder involving disruption to the articular margin and valgus impaction. Alternatively, the 'parachute reflex' predominantly produced shield-type injuries (38%) and displaced greater tuberosity fractures (19%). A strong correlation was demonstrated between cortical thinning and the occurrence of fracture (odds ratio = 7.766, 95% confidence interval from 4.760 to 12.669, p<0.0001).
conclusionThis study has shown that arm position during a fall influences fracture configuration of the proximal humerus. Correlating fracture pattern and mechanism of injury will allow more appropriate fracture reduction techniques to be devised.
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