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Journal articles on the topic 'Orbicularis Muscle'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Sindeaux-Neto, J. L., M. Velasco, P. Santos, P. Matos, and E. Matos. "Infection of the muscle tissue of the filter-feeding cichlid, Chaetobranchopsis orbicularis Steindachner, 1875, by Kudoa orbicularis (Myxozoa: Multivalvulidae) on Marajó Island in the Brazilian Amazon region." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 69, no. 6 (2017): 1601–6. http://dx.doi.org/10.1590/1678-4162-8989.

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ABSTRACT This study describes aspects of infections caused by the myxosporidian Kudoa orbicularis in filter-feeding cichlids, Chaetobranchopsis orbicularis, caught in the Arari River in the municipality of Cachoeira do Arari, on Marajó Island, Pará, Brazil. The parasite forms pseudocysts scattered throughout the striated epaxial and hypaxial muscles. Samples embedded in paraffin were analyzed histologically using hematoxylin-eosin, Gömöri, Ziehl-Neelsen, and Giemsa staining. Necropsy of the C. orbicularis specimens revealed that 100% (50/50) were infected with K. orbicularis. The specimens pre

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Abe, Takashi, and Jeremy P. Loenneke. "Orbicularis Oculi Muscle Size and Function: Exploring the Influence of Aging and Exercise Training." Cosmetics 8, no. 2 (2021): 29. http://dx.doi.org/10.3390/cosmetics8020029.

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The orbicularis oculi muscle is the sphincter muscle of the eyelids that blinks and closes the eyes. In this review, our aim was threefold: (1) to introduce the performance characteristics of blinking activity in young and older adults, (2) to discuss the influence of aging on the orbicularis oculi muscle in healthy adults, and (3) to provide information about the effect of facial exercise training on the orbicularis oculi muscle. To achieve the purpose of this review, a search using two electronic databases (PubMed and Scopus) and a search engine (Google Scholar) was conducted. The amplitude

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Rogers, Carolyn R., Seth M. Weinberg, Timothy D. Smith, et al. "Anatomical Basis for Apparent Subepithelial Cleft Lip: A Histological and Ultrasonographic Survey of the Orbicularis Oris Muscle." Cleft Palate-Craniofacial Journal 45, no. 5 (2008): 518–24. http://dx.doi.org/10.1597/07-115.1.

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Objective: To determine if there is an anatomic basis for subepithelial orbicularis oris muscle defects by directly comparing ultrasonographic images of the upper lip with corresponding histological sections obtained from cadavers. Methods: Ultrasound was performed on the upper lips of previously frozen, unpreserved cadaver heads (n = 32), followed by dissection and sectioning of the upper lips. The ultrasound sequences were scored by a panel of raters, classifying the orbicularis oris muscle as negative, positive, or unknown for the presence of an orbicularis oris discontinuity (subepithelial

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Abe, Takashi, Robert W. Spitz, Vickie Wong, et al. "Assessments of Facial Muscle Thickness by Ultrasound in Younger Adults: Absolute and Relative Reliability." Cosmetics 6, no. 4 (2019): 65. http://dx.doi.org/10.3390/cosmetics6040065.

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The absolute reliability (i.e., standard error of measurement and minimal difference) of a measurement is important to consider when assessing training effects. However, the absolute reliability for ultrasound measured facial muscle thickness had not been investigated. In order to examine the absolute and relative reliability of measuring facial muscles, 98 healthy, young, and middle-aged adults (18–40 years) had ultrasound measurements taken twice, separated by an average of three days. Six facial muscles were selected to determine the reliability of facial muscle thickness. The relative reli

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Hollander, Maria H. J., Johannes H. van der Hoeven, Koen H. M. Verdonschot, et al. "Effects of Upper Blepharoplasty Techniques on Headaches, Eyebrow Position, and Electromyographic Outcomes: A Randomized Controlled Trial." International Journal of Environmental Research and Public Health 20, no. 2 (2023): 1559. http://dx.doi.org/10.3390/ijerph20021559.

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The aim of this study was to assess changes in headaches, eyebrow height, and electromyographic (EMG) outcomes of the frontalis and orbicularis oculi muscles, after an upper blepharoplasty with or without resecting a strip of orbicularis oculi muscle. In a randomized controlled trial, 54 patients received an upper blepharoplasty involving either only removing skin (group A) or removing skin with an additional strip of orbicularis muscle (group B). Preoperative, and 6 and 12 months postoperative headache complaints were assessed using the HIT-6 scores and eyebrow heights were measured on standa

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6

Abramo, Antonio Carlos, and Alejandro Povedano. "Orbicularis Oris Muscle." Annals of Plastic Surgery 27, no. 5 (1991): 398–403. http://dx.doi.org/10.1097/00000637-199111000-00003.

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7

Goldberg, Robert Alan. "Orbicularis Muscle Aging." JAMA Ophthalmology 131, no. 1 (2013): 94. http://dx.doi.org/10.1001/jamaophthalmol.2013.853.

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8

ZHDANOVA, O. B., O. N. ANDREYANOV, O. V. CHASOVSKIKH, A. V. USPENSKY, and O. A. SOBOLEVA. "FEATURES OF IMMUNOLOGICAL AND POSTMORTEM DIAGNOSTICS OF TRICHINELLOSIS IN PIGS CAUSED BY T.PSEUDOSPIRALIS." PIG-BREEDING, no. 8 (2024): 35–37. https://doi.org/10.37925/0039-713x-2024-8-35-37.

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The CT examination revealed that T.pseudospiralis larvae were located in the muscles of animals unevenly, both when making sections within one muscle group and in different groups of the muscles under study. The chewing muscles, tongue muscles, and orbicularis oculi muscle were examined, and it was found that despite the pronounced periorbital edema, the orbicularis oculi muscle was slightly affected, while the chewing muscles and tongue contained more larvae than the intercostal muscles. The largest number of T.pseudospiralis larvae in pigs was found, as with T.spiralis invasion, in the diaph

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Kuroiedova, V. D., Y. K. Sokologorska-Nykina, O. M. Makarova, and Y. V. Rud. "THE STATE OF THE ORBICULARIS ORIS MUSCLE IN PATIENTS WITH HEARING DEPRIVATION." Ukrainian Dental Almanac, no. 2 (June 19, 2019): 25–28. http://dx.doi.org/10.31718/2409-0255.2.2019.05.

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For the purpose of research of the functional state of students with hearing deprivation and malocclusion, an electromyographical study of the orbicularis oris muscle was performed in 19 patients. It is determined that the BP of the orbicularis oris muscle in the HIC in a state of the rest has a significant deviation from the norm, namely, there is a hyperactivity of the orbicularis oris muscle. The amplitude of BP during the functional test "maximum arbitrary lips compression" is almost twice lower than normal. For students with hearing deprivation, the asymmetry in the work of the orbiculari

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Whalen, L. R. "Electrophysiologic studies of the facial reflexes of the dog." American Journal of Veterinary Research 46, no. 1 (1985): 229–34. https://doi.org/10.2460/ajvr.1985.46.01.229.

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SUMMARY Reflexes associated with the trigeminal and facial nerves were investigated electromyographically in 14 barbiturate-anesthetized dogs. Using subcutaneous needle electrodes, electrical stimulation of the infraorbital, frontal, and zygomaticofacial branches of the trigeminal nerve produced reflex contractions of the ipsilateral orbicularis oculi muscle. Cutaneous and subcutaneous electrical stimulation of the internal auricular branches of the facial nerve also produced reflex contractions of the ipsilateral orbicularis oculi muscle. After sectioning of this branch between the vagus and

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Acioly, Marcus André, Marina Liebsch, Carlos Henrique Carvalho, Alireza Gharabaghi, and Marcos Tatagiba. "Transcranial Electrocortical Stimulation to Monitor the Facial Nerve Motor Function During Cerebellopontine Angle Surgery." Operative Neurosurgery 66, suppl_2 (2010): ons354—ons362. http://dx.doi.org/10.1227/01.neu.0000369654.41677.b7.

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Abstract OBJECTIVE This study was conducted to investigate the success rate of using the facial motor evoked potential (FMEP) of orbicularis oculi and oris muscles for facial nerve function monitoring with use of a stepwise protocol, and its usefulness in predicting facial nerve outcome during cerebellopontine angle (CPA) surgeries. METHODS FMEPs were recorded intraoperatively from 60 patients undergoing CPA surgeries. Transcranial electrocortical stimulation (TES) was performed using corkscrew electrodes positioned at hemispheric montage (C3/C4 and CZ). The contralateral abductor pollicis bre

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Yi, Kyu-Ho, Ji-Hyun Lee, Ga-Young Kim, Seong-Wook Yoon, Wook Oh, and Hee-Jin Kim. "Novel Anatomical Proposal for Botulinum Neurotoxin Injection Targeting Lateral Canthal Rhytids." Toxins 14, no. 7 (2022): 462. http://dx.doi.org/10.3390/toxins14070462.

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Botulinum neurotoxin injections near the lateral canthal rhytids are commonly used in cosmetic settings; however, there is a lack of thorough anatomical knowledge, and an effective way to treat them with accumulating knowledge is needed. The anatomical characteristics concerning the injection of botulinum neurotoxin into the orbicularis oculi muscle were evaluated in this review. Current knowledge on the identification of botulinum neurotoxin injection points from recent anatomical research was assessed. The lateral canthal lines are involved with the orbicularis oculi muscle and nearby anatom

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Hochreiter, Jakob, Eric Hoche, Luisa Janik, et al. "Machine-Learning-Based Detecting of Eyelid Closure and Smiling Using Surface Electromyography of Auricular Muscles in Patients with Postparalytic Facial Synkinesis: A Feasibility Study." Diagnostics 13, no. 3 (2023): 554. http://dx.doi.org/10.3390/diagnostics13030554.

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Surface electromyography (EMG) allows reliable detection of muscle activity in all nine intrinsic and extrinsic ear muscles during facial muscle movements. The ear muscles are affected by synkinetic EMG activity in patients with postparalytic facial synkinesis (PFS). The aim of the present work was to establish a machine-learning-based algorithm to detect eyelid closure and smiling in patients with PFS by recording sEMG using surface electromyography of the auricular muscles. Sixteen patients (10 female, 6 male) with PFS were included. EMG acquisition of the anterior auricular muscle, superior

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Anor, Sonia, Josep M. Espadaler, Lluis Monreal, and Marti Pumarola. "Electrically elicited blink reflex in horses with trigeminal and facial nerve blocks." American Journal of Veterinary Research 60, no. 10 (1999): 1287. http://dx.doi.org/10.2460/ajvr.1999.60.10.1287.

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Abstract Objective To reassess reference values for the components of the electrically induced blink reflex, document reference values for facial motor nerve conduction velocity, and demonstrate usefulness of the blink reflex as a diagnostic tool in peripheral facial and trigeminal nerve dysfunction in horses. Animals 10 healthy adult horses (8 males, 2 females) without neurologic abnormalities. Procedure Blink reflex tests were performed by electrical stimulation of the supraorbital nerve and facial (auriculopalpebral) nerve. Reflex and direct muscle-evoked potentials of the orbicularis oculi

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Zhang, Y., K. Y. Li, C. Jin, et al. "Comparative studies on the implantation of nano platinum black and pure platinum electrodes in the rabbit orbicularis oculi muscle." Journal of Laryngology & Otology 128, no. 8 (2014): 679–89. http://dx.doi.org/10.1017/s0022215114001558.

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AbstractObjective:To study the interactive influence of implanted nano platinum black electrodes (as compared with pure platinum electrodes) on rabbit orbicularis oculi muscle morphology and function.Methods:The influence of the two types of electrode on the orbicularis oculi muscle was monitored in a rabbit model of facial paralysis. Biological electric current and exciting current were administered to biological tissue, and morphological and functional changes were identified. Changes in orbicularis oculi muscle contraction, electrode configuration and performance associated with long-term e

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Gushchina, M. B., A. G. Nadtochii, A. V. Tereshchenko, and D. S. Afanaseva. "Ultrasonographic study of the eyelids in patients with paralytic lagophthalmos: parallels between clinical signs and anatomy." Fyodorov journal of ophthalmic surgery 141, no. 3 (2024): 82–89. https://doi.org/10.25276/0235-4160-2024-3-82-89.

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Purpose. To establish parallels between clinical signs and anatomy based on the ultrasonographic examination in patients with paralytic lagophthalmos. Material and methods. This study included 31 patients (24 females and 7 males) aged 27–79 years with monolateral paralytic lagophthalmos. In all patients, thicknesses of the upper and lower eyelid are: skin, orbicularis oculi muscle including Riolan’s muscle, upper eyelid levator with Muller’s muscle, tarsus, conjunctiva, as well as total eyelid thickness. The measured parameters on the side with lagophthalmos were compared with ones on the fell

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Blair, Claudia. "Interdigitating Muscle Fibers Throughout Orbicularis Oris Inferior." Journal of Speech, Language, and Hearing Research 29, no. 2 (1986): 266–69. http://dx.doi.org/10.1044/jshr.2902.266.

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Observations of serial sections from two cadaveric specimens of human lower lip are presented. The complex structure of the muscles of the lower lip region includes several fascicles of fibers that are parallel to the vermilion border and other muscle fibers that interdigitate the parallel structures. Two classes of interdigitating muscle fibers are described: The majority originate inferior to the mucosal-gingival border and have a primarily vertical course. The others originate at the hairy epidermis inferior to the vermilion, course diagonally through the horizontal fibers, and insert near

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Güllüoğlu, Halil, Hasan Armağan Uysal, and Burhanettin Uludağ. "Contralateral Facial Innervation in Healthy Subjects and in Patients with Peripheral Facial Palsy." Journal of Clinical Medicine 13, no. 7 (2024): 1846. http://dx.doi.org/10.3390/jcm13071846.

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Background: We aimed to investigate the extent of the response of the orbicularis oris muscle to stimulation of the contralateral facial nerve both in patients with peripheral facial palsy (PFP) and in healthy subjects. Methods: EMG was performed at 2–6 weeks after the onset of PFP in the patient group and at any time in the healthy control group. We performed nerve conduction testing, electroneurography, and surface and needle EMG. Results: A total of 276 participants (patients/healthy controls: 218/58) were analyzed. The extent of the response of the contralateral orbicularis oris muscles to

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Asagiri, Hana, Satoshi Tsutsumi, Akane Hashizume, et al. "Large posterior fossa meningioma presenting with hemifacial spasm." Surgical Neurology International 16 (July 4, 2025): 273. https://doi.org/10.25259/sni_460_2025.

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Background: Hemifacial spasms are involuntary paroxysmal muscle contractions commonly presenting as unilateral involvement of the orbicularis oculi and oris muscles. Case Description: A 62-year-old woman presented with spasms of progressively increasing frequency for 2 months in the right orbicularis oculi muscle, with subsequent involvement of the orbicularis oris muscle. Cerebral magnetic resonance imaging revealed an intensely enhanced dural-based tumor in the right posterior fossa. On constructive interference in steady-state (CISS) imaging, the right cerebellopontine angle cistern showed

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Kim, Bo-Hyun, Kyeong Han Kim, Lak-Hyung Kim, Jong-Uk Kim, and Tae-Han Yook. "Difference between Right and Left Facial Surface Electromyography in Healthy People." Evidence-Based Complementary and Alternative Medicine 2018 (August 16, 2018): 1–7. http://dx.doi.org/10.1155/2018/4069530.

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Introduction. The study was to see whether there were differences in values of facial surface electromyography in subjects of good heath by muscles, age, and sex. Methods. It draws ratio between lower value and higher value (R-LV/HV) and asymmetry index (AI), based on root mean square (RMS) from measurement of facial surface electromyography (sEMG) in 154 people of healthy people (male:female = 70:84) aging between more than 20 and less than 70. Results. For R-LV/HV, it averages 81.70±14.60% on frontalis muscle, 73.74±19.12% on zygomaticus muscle, and 79.72±14.77% on orbicularis oris muscle. W

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Dresner, Steven C. "REPOSITIONING THE ORBICULARIS OCULI MUSCLE." Plastic and Reconstructive Surgery 91, Supplement (1993): 961. http://dx.doi.org/10.1097/00006534-199304001-00043.

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&NA;. "REPOSITIONING THE ORBICULARIS OCULI MUSCLE." Plastic and Reconstructive Surgery 93, no. 3 (1994): 645. http://dx.doi.org/10.1097/00006534-199403000-00044.

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&NA;. "REPOSITIONING THE ORBICULARIS OCULI MUSCLE." Plastic and Reconstructive Surgery 93, no. 3 (1994): 645. http://dx.doi.org/10.1097/00006534-199493030-00044.

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Youn, Hyun Chul, Seunghwan Lee, and Ju-Hyang Lee. "Modified Epiblepharon Repair Preserving Orbicularis Oculi Muscle." Journal of Ophthalmology 2022 (July 11, 2022): 1–7. http://dx.doi.org/10.1155/2022/8469812.

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Background/Aims. Conventional epiblepharon repair using anterior lamellar debulking can flatten the lower eyelid, which can cause cosmetic problems in Asian individuals, such as tarsal hollowness. This study describes a modified epiblepharon repair which preserves the orbicularis oculi muscle and surgical efficacy in terms of anatomical and cosmetic outcomes. Methods. A retrospective review of was conducted of patients who received modified epiblepharon repair preserving orbicularis oculi muscle from April 2016 to October 2018. Removal of the orbicularis oculi muscle was minimally performed wi

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Jacinto-Gonçalves, Suzane Rodrigues, Maria Beatriz Duarte Gavião, Fausto Berzin, Anamaria Siriani de Oliveira, and Tatiana Adamov Semeguini. "Electromyographic activity of perioral muscle in breastfed and non-breastfed children." Journal of Clinical Pediatric Dentistry 29, no. 1 (2005): 57–62. http://dx.doi.org/10.17796/jcpd.29.1.p78313306l282755.

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The objective was to verify the electrical activity of the Mm. orbicularis oris and mentalis during suction of different liquids in breastfed and non-breastfed children from 2.5-3.5 years old. It was used a signal conditioner (MCS-V2-Lynx Eletrônica Ltda, SP, BR) and Beckman Ag-AgCl bipolar surface electrodes. Breastfed children presented higher activity for mentalis and smaller values for the M. orbicular oris than non-breastfed children, suggesting the existence of different profiles of muscle activation between them.

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Kermer, Ch, W. Millesi, T. Paternostro, and M. Nuhr. "Muscle-nerve-muscle neurotization of the orbicularis oris muscle." Journal of Cranio-Maxillofacial Surgery 29, no. 5 (2001): 302–6. http://dx.doi.org/10.1054/jcms.2001.0233.

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Choi, Eun Woo, and Sun Young Jang. "Correction of Involutional Entropion by Excising Redundant Skin and Pretarsal Orbicularis Muscle without Vertical and Horizontal Tarsal Fixation." Korean Journal of Ophthalmology 37, no. 1 (2023): 49–52. http://dx.doi.org/10.3341/kjo.2022.0138.

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Purpose: This study evaluated the effect of the excision of redundant skin and pretarsal orbicularis muscle, without vertical or horizontal tarsal fixation, on the correction of involutional entropion.Methods: This retrospective interventional case series recruited patients with involutional entropion who underwent excision of redundant skin and pretarsal orbicularis muscle, without vertical or horizontal tarsal fixation, from May 2018 to December 2021. Preoperative clinical characteristics and surgical outcomes, including recurrence at 1, 3, and 6 months, were determined by reviewing the medi

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Anggraeni Puji Safitri and Andung Maheswara Rakasiwi. "Penatalaksanaan Fisioterapi pada Kondisi Bell’s Palsy Sinistra dengan Modalitas Infrared, Electrical Stimulation Arus Faradik dan Terapi Latihan di RSUD Bendan Kota Pekalongan." Jurnal Rumpun Ilmu Kesehatan 2, no. 1 (2022): 199–206. http://dx.doi.org/10.55606/jrik.v2i1.3573.

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Bell's palsy is a neurological disorder and disorder of the cranial nerve VII (facial nerve) in the temporal bone area that causes weakness or paralysis of the facial muscles around the stylomastoid foramen. The cause is not known to be vascular ischemia, viral disease (Herpes simplex, Herpes zoster), autoimmune disease, or a combination of these factors. The purpose of this study was to determine the effect of Physiotherapy Management in Bell's Palsy with Infra Red, Electrical Stimulation of Faradic Current and Exercise Therapy as modalities. The study was conducted at Bendan Hospital, Pekalo

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Weber, Christine M., and Anne Smith. "Reflex Responses in Human Jaw, Lip, and Tongue Muscles Elicited by Mechanical Stimulation." Journal of Speech, Language, and Hearing Research 30, no. 1 (1987): 70–79. http://dx.doi.org/10.1044/jshr.3001.70.

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Reflex responses in human jaw, lip, and tongue muscles were elicited with brief, innocuous mechanical stimuli. Stimuli were applied to the masseter (and overlying tissue), the lower lip vermilion, and the tongue dorsum. Reflex responses occurred in masseter, orbicularis oris inferior, and genioglossus muscles upon direct stimulation of the sites associated with each of these muscles. In contrast, reflex responses to stimulation of "distant" sites occurred almost exclusively in masseter; that is, stimulation of the lip and tongue produced responses in masseter, but, stimulation of jaw muscle sp

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Redondo, Beatriz, Jesus Vera, Rubén Molina, Alejandro Molina-Molina, and Raimundo Jiménez. "Orbicularis oculi muscle activity during computer reading under different degrees of artificially-induced aniseikonia." PeerJ 12 (May 17, 2024): e17293. http://dx.doi.org/10.7717/peerj.17293.

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Background Aniseikonia is a binocular vision disorder that has been associated with asthenopic symptoms. However, asthenopia has been evaluated with subjective tests that make difficult to determine the level of aniseikonia. This study aims to objectively evaluate the impact of induced aniseikonia at different levels on visual fatigue by measuring the orbicularis oculi muscle activity in the dominant and non-dominant eyes while performing a reading task. Methods Twenty-four collegiate students (24.00 ± 3.86 years) participated in this study. Participants read a passage for 7 minutes under four

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Rastatter, Michael P., Richard A. Mc Guire, Laurel Bushong, and Michele Loposky. "Speech-Motor Equivalence in Aging Subjects." Perceptual and Motor Skills 64, no. 2 (1987): 635–38. http://dx.doi.org/10.2466/pms.1987.64.2.635.

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The peak amplitude of EMG activity was measured from the orbicularis oris superior (OOS), orbicularis oris inferior (OOI), and masseter muscles for three normal, geriatric women (range 70 to 75 yr.) and compared with prior data for a group of normal, 4- and 8-yr.-old children and young adults (range 21 to 29 yr.) The elderly groups' variability across the three muscles paralleled that of the 4-yr.-olds, suggesting that speech-motor equivalence returns to an earlier level of operation in aging speakers. Also, the elderly subjects evidenced reduced levels of average peak EMG activity as compared

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Krajewska-Węglewicz, Larysa, Paulina Felczak, and Małgorzata Dorobek. "Effects of Aging on Orbicularis Oculi Muscle Strength and Ultrastructure in Dermatochalasis: A Pilot Study." Journal of Clinical Medicine 14, no. 1 (2024): 162. https://doi.org/10.3390/jcm14010162.

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Background: Age-related changes to the orbicularis oculi muscle include impaired eyelid function, such as lagophthalmos, alterations in tear film dynamics, and aesthetic changes like wrinkles, festoons, and the descent of soft tissue. To date, the structural and functional changes that would comprehensively increase our understanding of orbicularis aging have not been analyzed. This study aims to investigate functional outcomes using surface electromyography and correlate them with ultrastructural changes in orbicularis during aging. Methods: This study enrolled 26 patients aged 37 to 78 years

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Itoh, Hironori, Keizo Shibata, Masahiro Yoshida, and Ken Yamamoto. "Neuromuscular Monitoring at the Orbicularis Oculi May Overestimate the Blockade in Myasthenic Patients." Anesthesiology 93, no. 5 (2000): 1194–97. http://dx.doi.org/10.1097/00000542-200011000-00010.

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Background In most publications about myasthenia, monitoring neuromuscular blockade during anesthesia is recommended. In healthy patients, the relation of blockade between muscles has been established, but there is little information about the relation in myasthenic patients. Our objective was to investigate whether the relation between the orbicularis oculi and adductor pollicis muscles is the same in healthy patients and myasthenic patients. Methods After anesthesia was induced with 4-6 mg/kg thiopental and 2 microg/kg fentanyl, followed by 2% sevoflurane and 60% nitrous oxide in oxygen, 10

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Larsen, P. B., M. R. Gätke, B. B. Fredensborg, H. Berg, J. Engbaek, and J. Viby-Mogensen. "Acceleromyography of the orbicularis oculi muscle II: comparing the orbicularis oculi and adductor pollicis muscles." Acta Anaesthesiologica Scandinavica 46, no. 9 (2002): 1131–36. http://dx.doi.org/10.1034/j.1399-6576.2002.460912.x.

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Kim, Hong Seok, and Kenneth K. Kim. "Subbrow Lift Using Frontalis Sling to Correct Lateral Orbital Laxity." Aesthetic Plastic Surgery 44, no. 6 (2020): 2119–26. http://dx.doi.org/10.1007/s00266-020-01879-9.

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Abstract Background In order to correct upper lid laxity, upper blepharoplasty, subbrow excision, and forehead lift have been utilized. Our newly developed subbrow excision attaches the orbicularis oculi muscle to the frontalis muscle. This improves the longevity of the result without inhibiting the gliding plane of the periorbita. Method From January 2016 to July 2018, 564 patients were operated on using this technique. Among them, 41 were male and 523 were female with the average age of 59.5 years. The average size of the subbrow excision was 55 mm × 8 mm. From the upper skin incision site,

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Sekulic-Jablanovic, Marijana, Nina D. Ullrich, David Goldblum, Anja Palmowski-Wolfe, Francesco Zorzato, and Susan Treves. "Functional characterization of orbicularis oculi and extraocular muscles." Journal of General Physiology 147, no. 5 (2016): 395–406. http://dx.doi.org/10.1085/jgp.201511542.

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The orbicularis oculi are the sphincter muscles of the eyelids and are involved in modulating facial expression. They differ from both limb and extraocular muscles (EOMs) in their histology and biochemistry. Weakness of the orbicularis oculi muscles is a feature of neuromuscular disorders affecting the neuromuscular junction, and weakness of facial muscles and ptosis have also been described in patients with mutations in the ryanodine receptor gene. Here, we investigate human orbicularis oculi muscles and find that they are functionally more similar to quadriceps than to EOMs in terms of excit

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Hwang, Kun, Fan Huan, and Dae Joong Kim. "Muscle Fiber Types of Human Orbicularis Oculi Muscle." Journal of Craniofacial Surgery 22, no. 5 (2011): 1827–30. http://dx.doi.org/10.1097/scs.0b013e31822e8468.

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Sanderson, Jeremy Drew, and Randal A. Otto. "Electrical Pacing of Paralyzed Orbicularis Oculi Muscle." Otolaryngology–Head and Neck Surgery 139, no. 2_suppl (2008): P85. http://dx.doi.org/10.1016/j.otohns.2008.05.481.

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Problem In this study, the authors investigated the feasibility of restoring function by direct electrical stimulation of the paralyzed orbicularis oculi muscle in the dog model. Methods Seven mongrel dogs underwent bilateral surgical resection of a 1cm portion of their proximal facial nerves followed by bilateral placement of an electrical pacing device with electrodes placed directly into the orbicularis oculi muscles. One eye was stimulated and the other used as a control. The eye was stimulated for 24 hours daily for 90 days. The function of the electrical stimulation in reproducing a norm

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Smaglyuk, L. V., P. Echarri, A. V. Liakhovska, and M. V. Trofymenko. "EMG ACTIVITY OF MUSCLES OF THE CRANIOMANDIBULAR SYSTEM IN SUBJECTS WITH NARROWING UPPER JAW AND POSTERIOR CROSSBITE." Medical and Ecological Problems 28, no. 1 (2024): 27–33. http://dx.doi.org/10.31718/mep.2024.28.1.04.

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Posterior crossbite in children and adolescents has been linked to asymmetrical function and performance of the masticatory muscles. Electromyography (EMG) serves as an objective and widely applicable evidence-based method for diagnosing muscle function. The aim of our study was to analyze electromyographic (EMG) activity of muscles of the craniomandibular system in subjects with a narrowing upper jaw and unilateral posterior crossbite. Material and methods. The first (study) group consisted of 18 subjects with narrow maxilla and unilateral posterior crossbite. 20 age-matched children with nor

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Mitsukawa, Nobuyuki, Hiroshi Moriyama, Kei Shiozawa, and Kaneshige Satoh. "Study on Distribution of Terminal Branches of the Facial Nerve in Mimetic Muscles (Orbicularis Oculi Muscle and Orbicularis Oris Muscle)." Annals of Plastic Surgery 72, no. 1 (2014): 71–74. http://dx.doi.org/10.1097/sap.0b013e318284eca0.

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Hwang, Kun, Sheng Jin, Se Ho Hwang, and In Hyuk Chung. "Innervation of Upper Orbicularis Oris Muscle." Journal of Craniofacial Surgery 17, no. 6 (2006): 1116–17. http://dx.doi.org/10.1097/01.scs.0000235107.70118.06.

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Shuster, Marvin M. "ORBICULARIS OCULI MUSCLE FOR FROWN LINES." Plastic and Reconstructive Surgery 82, no. 4 (1988): 725. http://dx.doi.org/10.1097/00006534-198810000-00049.

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Doxanas, Marcos T. "Orbicularis Muscle Mobilization in Eyelid Reconstruction." Ophthalmic Plastic & Reconstructive Surgery 2, no. 3 (1986): 174. http://dx.doi.org/10.1097/00002341-198601060-00016.

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Doxanas, M. T. "Orbicularis Muscle Mobilization in Eyelid Reconstruction." Archives of Ophthalmology 104, no. 6 (1986): 910–14. http://dx.doi.org/10.1001/archopht.1986.01050180144047.

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Patrocinio, Lucas, Jose Patrocinio, and Tomas Patrocinio. "Effect of Orbicularis Muscle Resection during Blepharoplasty on the Position of the Eyebrow." Facial Plastic Surgery 34, no. 02 (2018): 178–82. http://dx.doi.org/10.1055/s-0038-1636904.

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AbstractDermatochalasis is a skin excess in the upper eyelid which may be associated with either an aesthetic and functional defect, blocking the peripheral vision. Upper blepharoplasty is the gold standard procedure for correction of dermatochalasis and to restore youthful contours to the periorbita. It is one of the most commonly performed procedures in aesthetic plastic surgery; however, there is still a lack of consensus about this procedure. The excess skin is sometimes removed alone or in conjunction with a strip of orbicularis oculi muscle. The rationale for both muscle and skin resecti

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Haginomori, Shin-Ichi, Atsuko Takamaki, and Hiroshi Takenaka. "S209 – Optimal Electrode Position for ENoG for Facial Palsy." Otolaryngology–Head and Neck Surgery 139, no. 2_suppl (2008): P145—P146. http://dx.doi.org/10.1016/j.otohns.2008.05.384.

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Objectives To develop a more simple procedure for electroneurography (ENoG) of facial palsy for assessing prognosis, we conducted a preliminary study to examine an optimal electrode position for recording evoked compound muscle action potentials (CMAPs) of the perioral muscles. Methods We evaluated a new method called the submentall method, in which the electrode connected to the negative input (G1) was placed on the skin over the orbicularis oris muscle, and the other electrode connected to the positive input of the amplifier (G2) was placed on the mental protuberance. We compared the amplitu

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Sokolohorska-Nykina, Yu K., and V. D. Kuroyedova. "MYOGRAPHY TECHNIQUE IN INVESTIGATING OROFACIAL MUSCULES IN HEARING-IMPAIRED PATIENTS (LITERATURE REVIEW)." Актуальні проблеми сучасної медицини: Вісник Української медичної стоматологічної академії 21, no. 4 (2021): 189–94. http://dx.doi.org/10.31718/2077-1096.21.4.189.

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This article briefly reviews the literature describing the application of electoromyography technique to investigate the muscles of the orofacial region. Muscle characteristics are an indicator of complex functional relationships of the dentofacial system. Disorders of muscle function lead to morphological changes in the normal structure of the teeth and bones of the maxillofacial area, as well as exacerbate existing bite pathologies. Today, the electromyography is considered as the latest, objective, and informative method of functional diagnostics of the dentofacial system. This study is an

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Lazzeri, Davide, Paolo Viacava, Luca Enrico Pollina, et al. "Dystrophic-Like Alterations Characterize Orbicularis Oris and Palatopharyngeal Muscles in Patients Affected by Cleft Lip and Palate." Cleft Palate-Craniofacial Journal 45, no. 6 (2008): 587–91. http://dx.doi.org/10.1597/07-026.1.

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Objective: This study analyzed histological and histochemical features of specimens of the orbicularis oris muscle, and palatal and pharyngeal muscles biopsied during surgery from 33 patients affected by cleft lip and palate. Design: Three groups were studied: 20 patients affected by cleft palate with or without cleft lip (at the time of primary palatoplasty), seven by cleft lip with or without cleft palate (primary lip closure), and six by cleft lip with or without cleft palate (secondary cheiloplasty). Muscle sections were stained with hematoxylin-eosin, modified Gomori trichrome, ATPase rea

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Bogdanov, Vladimir, Miroslava Dinkova, and Diana Tsakova. "Effect of pre-orthodontic trainer treatment on the masticatory and perioral muscles in patients with class II subdivision 1 malocclusion evaluated by surface EMG." Folia Medica 65, no. 5 (2023): 816–20. http://dx.doi.org/10.3897/folmed.65.e94741.

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Introduction: Myofunctional appliances have been shown to have a positive effect on the muscles in the facial area. Surface electromyography (sEMG) is one of the reliable methods used to investigate these effects. Aim: The aim of this follow-up study is to evaluate the effect of a myofunctional appliance T4K on the perioral and masticatory muscles in patients with class II subdivision 1 malocclusion by sEMG. Materials and methods: Sixteen children were treated with a Trainer appliance (T4K) for 9 months. The appliance should be worn every day for 1 hour and overnight. The EMG recordings were p

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Dogan, Fatih, and Ibrahim Hakan Bucak. "Congenital Epidermoid Cyst Results in Muscle Fusion Defect in the Upper Lip." Case Reports in Otolaryngology 2014 (2014): 1–3. http://dx.doi.org/10.1155/2014/540910.

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Epidermoid cysts are rarely detected malformations in the oral cavity. Their development sites are the sublingual, submaxillary, and submandibular spaces. In this paper, we report a three-month-old infant who was admitted to our hospital due upper lip swelling. Magnetic resonance imaging showed that she had a two-centimeter cystic lesion and fusion defects of orbicularis oris muscle. The cyst was surgically removed and histopathological diagnosis was “epidermoid cyst.” In recent literature, we could not find reports related to orbicularis oris muscle fusion defects because of epidermoid cyst.

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