Exertional compartment syndrome and median nerve compression caused by a reversed palmaris longus

Authors

  • Diogo Ferreira Physical Medicine and Rehabilitation Department, São João Hospital, Alameda Professor Hernâni Monteiro 4200-319 Porto, Portugal
  • João Gomes Physical Medicine and Rehabilitation Department, São João Hospital, Alameda Professor Hernâni Monteiro 4200-319 Porto, Portugal
  • Hugo Amorim Physical Medicine and Rehabilitation Department, São João Hospital, Alameda Professor Hernâni Monteiro 4200-319 Porto, Portugal

DOI:

https://doi.org/10.2340/jrm.v58.46187

Keywords:

reversed palmaris longus, carpal tunnel syndrome, exertional compartment syndrome, median nerve

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References

Dimitriou I, Katsourakis A, Natsis K, Kostretzis L, Noussios G. Palmaris longus muscle’s prevalence in different nations and interesting anatomical variations: review of the literature. J Clin Med Res 2015; 7: 825–830. DOI: https://doi.org/10.14740/jocmr2243w

Sundaramurthy N, Mahipathy SRR, Durairaj AR. Hypertrophied reverse palmaris longus muscle: a rare cause of carpal tunnel syndrome. Int Surg J 2020; 7: 576–580. DOI: https://doi.org/10.18203/2349-2902.isj20200319

Osonuga A, Mahama HM, Brown AA, Osonuga OA, Serbeh G, Harding AN, et al. The prevalence of palmaris longus agenesis among the Ghanaian population. Asian Pac J Trop Dis 2012; 2: S887–S889. DOI: https://doi.org/10.1016/S2222-1808(12)60286-2

Murabit A, Gnarra M, Mohamed A. Reversed palmaris longus muscle: anatomical variant – case report and literature review. Can J Plast Surg 2013; 21: 55–56. DOI: https://doi.org/10.1177/229255031302100115

Twoon M, Jones CD, Foley J, Davidson D. Reversed palmaris longus muscle: a report of two cases. Case Rep Plast Surg Hand Surg 2017; 4: 73–76. DOI: https://doi.org/10.1080/23320885.2017.1353424

Fakoya AO, Mategaonkar R, Sellars C, Mbara N. A unique three-tendinous head reverse palmaris longus: a case report. Cureus 2023; 15: e37735. DOI: https://doi.org/10.7759/cureus.37735

Bencteux P, Simonet J, El Ayoubi L, Renard M, Attignon I, Dacher JN, et al. Symptomatic palmaris longus muscle variation with MRI and surgical correlation: report of a single case. Surg Radiol Anat 2001; 23: 273–275. DOI: https://doi.org/10.1007/s00276-001-0273-x

Morrison JT. A Palmaris longus muscle with a reversed belly, forming an accessory flexor muscle of the little finger. J Anat Physiol 1916; 50: 324–326.

Hashem M, Alatassi R, Narinder K, Emran F. Hypertrophied reversed palmaris longus muscle (pseudotumor) of the forearm causing median nerve compression: a case report. J Med Case Rep 2020; 14: 60. DOI: https://doi.org/10.1186/s13256-020-02368-y

Jung HY, Kong MS, Lee SH, et al. Prevalence and related characteristics of carpal tunnel syndrome among orchardists in the Gyeongsangnam-Do region. Ann Rehabil Med 2016; 40: 902–914. DOI: https://doi.org/10.5535/arm.2016.40.5.902

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Published

2026-07-02

How to Cite

Ferreira, D., Gomes, J., & Amorim , H. (2026). Exertional compartment syndrome and median nerve compression caused by a reversed palmaris longus. Journal of Rehabilitation Medicine, 58, jrm46187. https://doi.org/10.2340/jrm.v58.46187

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Case Report

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