The Hip Abduction Maneuver (HAM) to diagnose meralgia paraesthetica.

IF 2 3区 医学 Q2 ORTHOPEDICS
International Orthopaedics Pub Date : 2025-04-01 Epub Date: 2025-03-07 DOI:10.1007/s00264-025-06467-7
Caio Pina, Vincent Martinel, Omar Fata Nahhas, Benjamin Ferembach
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引用次数: 0

Abstract

Background: Meralgia paresthetica (MP) is a compressive neuropathy of the lateral femoral cutaneous nerve (LFCN), characterized by pain, paresthesia, and numbness in the anterolateral thigh. Despite its well-documented etiology, diagnosing MP remains challenging, as complementary tests such as electromyography (EMG) and ultrasound may yield normal results due to anatomical variations and the dynamic nature of nerve compression.

Objective: This study introduces the Hip Abduction Maneuver (HAM) as a novel diagnostic tool for LFCN compression and investigates its utility in clinical and intraoperative assessments METHOD: The maneuver, inspired by Hagert's triad, evaluates hip abduction weakness as a functional indicator of LFCN entrapment. MP can result from mechanical, metabolic, iatrogenic, traumatic, or anatomical factors. Compression occurs under the inguinal ligament, where orthogonal taping (OKT) can serve as a mechanical relief test to support diagnosis. HAM exploits afferent inhibitory responses, assessing hip abduction strength before and after decompression maneuvers. The Scratch Collapse Test (SCT) further improves diagnostic accuracy. The Hip Abduction Maneuver (HAM) and Orthogonal KinesioTaping (OKT) enhance the clinical assessment of meralgia paresthetica, particularly in cases with inconclusive imaging.

Conclusion: Their integration into preoperative evaluation and intraoperative validation may improve diagnostic precision and optimize surgical outcomes. Further studies are required to validate reproducibility and long-term efficacy.

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来源期刊
International Orthopaedics
International Orthopaedics 医学-整形外科
CiteScore
5.50
自引率
7.40%
发文量
360
审稿时长
1 months
期刊介绍: International Orthopaedics, the Official Journal of the Société Internationale de Chirurgie Orthopédique et de Traumatologie (SICOT) , publishes original papers from all over the world. The articles deal with clinical orthopaedic surgery or basic research directly connected with orthopaedic surgery. International Orthopaedics will also link all the members of SICOT by means of an insert that will be concerned with SICOT matters. Finally, it is expected that news and information regarding all aspects of orthopaedic surgery, including meetings, panels, instructional courses, etc. will be brought to the attention of the readers. Manuscripts submitted for publication must contain a statement to the effect that all human studies have been approved by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki. It should also be stated clearly in the text that all persons gave their informed consent prior to their inclusion in the study. Details that might disclose the identity of the subjects under study should be omitted. Reports of animal experiments must state that the "Principles of laboratory animal care" (NIH publication No. 85-23, revised 1985) were followed, as well as specific national laws (e.g. the current version of the German Law on the Protection of Animals) where applicable. The editors reserve the right to reject manuscripts that do not comply with the above-mentioned requirements. The author will be held responsible for false statements or for failure to fulfil the above-mentioned requirements.
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