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Unusual accessory peroneal muscles, peroneus quartus, peroneus digiti quinti, and their association with peroneus brevis tendon tear Cover

Unusual accessory peroneal muscles, peroneus quartus, peroneus digiti quinti, and their association with peroneus brevis tendon tear

Asian Biomedicine
Volume 12 (2018): Issue 3 (June 2018)
By: Pimpimol Dangintawat,  Jirun Apinun,  Thanasil Huanmanop,  Sithiporn Agthong,  Prim Akkarawanit and  Vilai Chentanez  
Open Access
|Sep 2019

Figures & Tables

Figure 1

PDQ tendon (A) and muscle (B) on the dorsal surface of foot PB tendon, peroneus brevis tendon; PDQ, peroneus digiti quinti; PL tendon, peroneus longus tendon; scale represents 2 cm
PDQ tendon (A) and muscle (B) on the dorsal surface of foot PB tendon, peroneus brevis tendon; PDQ, peroneus digiti quinti; PL tendon, peroneus longus tendon; scale represents 2 cm

Figure 2

PQ insertion: (A) retrotrochlear eminence, (B) 5th metatarsal, (C) cuboid, (D) peroneal tubercle PB tendon, peroneus brevis tendon; PL tendon, peroneus longus tendon; PQ, peroneus quartus; SPR, superior peroneal retinaculum; scale represents 2 cm
PQ insertion: (A) retrotrochlear eminence, (B) 5th metatarsal, (C) cuboid, (D) peroneal tubercle PB tendon, peroneus brevis tendon; PL tendon, peroneus longus tendon; PQ, peroneus quartus; SPR, superior peroneal retinaculum; scale represents 2 cm

Figure 3

Unusual accessory peroneal muscle (*) (A) arose from PL muscle (B) inserted at peroneal tubercle LM, lateral malleolus; PB muscle, peroneus brevis muscle; PL, peroneus longus; scale represents 2 cm
Unusual accessory peroneal muscle (*) (A) arose from PL muscle (B) inserted at peroneal tubercle LM, lateral malleolus; PB muscle, peroneus brevis muscle; PL, peroneus longus; scale represents 2 cm

Figure 4

Unusual accessory peroneal muscle (*) which coexisted with PQ muscle; the origin of unusual accessory peroneal muscle (arrows) from PL and PB IPR, inferior peroneal retinaculum; LM, lateral malleolus; PB tendon, peroneus brevis tendon; PL tendon, peroneus longus tendon; PQ, peroneus quartus; scale represents 2 cm
Unusual accessory peroneal muscle (*) which coexisted with PQ muscle; the origin of unusual accessory peroneal muscle (arrows) from PL and PB IPR, inferior peroneal retinaculum; LM, lateral malleolus; PB tendon, peroneus brevis tendon; PL tendon, peroneus longus tendon; PQ, peroneus quartus; scale represents 2 cm

Figure 5

Grade IV of PQ tendon tear (arrows) PB tendon, peroneus brevis tendon; PL tendon, peroneus longus tendon; PQ, peroneus quartus; scale represents 2 cm
Grade IV of PQ tendon tear (arrows) PB tendon, peroneus brevis tendon; PL tendon, peroneus longus tendon; PQ, peroneus quartus; scale represents 2 cm

Association between PQ and the prominence of a retrotrochlear eminence or peroneal tubercle

PQTotalχ2test
PresentAbsent
Prominent retrotroch-Present127587
lear eminenceAbsent12122P = 0.23
Prominent peronealPresent74451
tubercleAbsent65258P = 0.58

Association between PDQ and the prominence of a retrotrochlear eminence or peroneal tubercle

PDQ
PresentAbsentTotalχ2 test
Prominent retrotrochlearPresent276087P = 0.73
eminenceAbsent61622
Prominent peronealPresent173451P = 0.52
tubercleAbsent164258

Association between PB tendon tears and the prominence of a retrotrochlear eminence or peroneal tubercle

PB tendon tear
PresentAbsentTotalχ2 test
Prominent retrotrochlearPresent137487
eminenceAbsent12122P = 0.19
Prominent peronealPresent74451
tubercleAbsent75158P = 0.80

Prevalence of accessory peroneal muscles, and their origin and insertion

Male (n = 55)Female (n = 54)Total (N = 109)
PQ8513PB muscle belly (9)Retrotrochlear eminence of calcaneus (9)
(7%)(5%)(12%)PB tendon (3)Base of 5th metatarsal (1)
PL tendon (1)Cuboid (1)
Peroneal tubercle (2)
PDQ171633PB tendon (33)Base of 5th proximal phalanx (26)
(16%)(15%)(30%)Single tendon (32)Base of 5th middle phalanx (1)
Muscle fiber (1)PDQ tendon merged with extensor digitorum longus and inserted at the base of 5th distal phalanx (4) Shaft of 5th metatarsal (2)
Unusual accessory1 (1%)1 (1%)2 (2%)PL muscle (1)Peroneal tubercle between the inferior peroneal retinaculum septum (1)
peronealPL tendon and PB muscle (1)Tendon bifurcated, one inserted at the talus and peroneal tubercle and the other at the retrotrochlear eminence (1)

Association between PB tendon tears and the presence of a PQ or PDQ

PB tendon tear
PresentAbsentTotalχ2test
PQPresent01313P = 0.14
Absent148296
PDQPresent62733
Absent86876P = 0.27
DOI: https://doi.org/10.1515/abm-2019-0011 | Journal eISSN: 1875-855X | Journal ISSN: 1905-7415
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Language: English
Page range: 125 - 130
Published on: Sep 20, 2019
Published by: Chulalongkorn University
In partnership with: Paradigm Publishing Services
Publication frequency: 6 issues per year
Keywords:
foot,
leg injuries,
metatarsal bone,
muscle,
peroneal,
skeletal,
tendon injuries,
trochlear
Related subjects:
Medicine,
Assistive professions, nursing,
Basic medical science,
Basic medical science, other,
Clinical medicine,
Clinical medicine, other

© 2019 Pimpimol Dangintawat, Jirun Apinun, Thanasil Huanmanop, Sithiporn Agthong, Prim Akkarawanit, Vilai Chentanez, published by Chulalongkorn University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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