VYMAZALOVÁ, Kateřina, Lenka VARGOVÁ and Marek JOUKAL. Variability of the pronator teres muscle and its clinical significance. Romanian journal of morphology and embryology. Bucurest: Editura Academiei Romane, 2015, vol. 56, No 3, p. 1127-1135. ISSN 1220-0522.
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Basic information
Original name Variability of the pronator teres muscle and its clinical significance
Authors VYMAZALOVÁ, Kateřina (203 Czech Republic, guarantor, belonging to the institution), Lenka VARGOVÁ (203 Czech Republic, belonging to the institution) and Marek JOUKAL (203 Czech Republic, belonging to the institution).
Edition Romanian journal of morphology and embryology, Bucurest, Editura Academiei Romane, 2015, 1220-0522.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10600 1.6 Biological sciences
Country of publisher Romania
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 0.811
RIV identification code RIV/00216224:14110/15:00085097
Organization unit Faculty of Medicine
UT WoS 000366837600028
Keywords in English anatomical variability; entepicondylar foramen; entrapment syndrome; median nerve; pronator teres muscle; supra- condylar process
Tags EL OK
Tags International impact, Reviewed
Changed by Changed by: Soňa Böhmová, učo 232884. Changed: 29/3/2016 12:04.
Abstract
While investigating the cause of entrapment syndrome of the peripheral nerves in the elbow region, we observed variability of t he pronator teres muscle and the relationship of this muscle to the median nerve and the surrounding vessels. Attention was also paid to th e occurrence of the supracondylar process of the humerus and Struthers’ ligament with regard to their ontogenetic and phylogenetic development. For this purpose, a classical anatomical dissection of the upper limbs of 68 adults, three fetuses and a phylogenetic assessment of five mammalian species was performed. In terms of variability in the anatomical structures of the elbow region, we found the most serious clin ical condition to be where the median nerve ran through the pronator canal together with the ulnar vessels (1.5%), or when it passed through t he ulnar head of the pronator teres (5.9%). The pronator teres examined by us in fetuses showed the same arrangement as in adult individ uals, including the created ulnar head. The occurrence of a supracondylar process and Struthers’ ligament was not observed in our col lection. The presence of these structures was not confirmed during the fetal period, either. The phylogenetic part of the study re-opene d the question of the meaning and function of the entepicondylar foramen, because we noted differences in the occurrence of this structure in two related genera with a very similar way of life (Djungarian hamster and golden hamster).
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