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Medial longitudinal arch

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https://www.readbyqxmd.com/read/28871902/height-of-the-medial-longitudinal-arch-during-classical-ballet-steps
#1
Carolina Cabral de Mello Viero, Luíza Pillar Kessler, Camila Pinto, Kaanda Nabilla Souza Gontijo, Rodrigo Gomes da Rosa, Ana Kleiner, Leonardo Alexandre Peyré-Tartaruga, Alexandre Severo do Pinho, Aline de Souza Pagnussat
The purpose of this study was to evaluate the midfoot longitudinal arch height and correlate it with active hip external rotation (ER) in dancers during static postures and technical steps of classical ballet (i.e., first position, demi-plié, battement fondu à la seconde, pas jeté à la seconde, and grand jeté à la seconde). A 3D motion analysis system was used for kinematic analysis. The arch height was significantly reduced during the battement fondu à la seconde, pas jeté à la seconde, and grand jeté à la seconde when compared to standing (p = 0...
September 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/28861205/gait-analysis-of-symptomatic-flatfoot-in-children-an-observational-study
#2
Ha Yong Kim, Hyuck Soo Shin, Jun Hyuck Ko, Yong Han Cha, Jae Hoon Ahn, Jae Yeon Hwang
BACKGROUND: Flatfoot deformity is a lever arm disease that incurs kinetic inefficiency during gait. The purpose of this study was to measure the degree of kinetic inefficiency by comparing the gait analysis data of a flatfoot group with a normal control group. METHODS: The patient group consisted of 26 children (21 males and 5 females) with symptomatic flatfoot. They were examined with gait analysis between May 2005 and February 2014. Exclusion criteria were patients with secondary flatfoot caused by neuromuscular disorders, tarsal coalition, vertical talus, or others...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28839522/the-thermoregulation-of-healthy-individuals-overweight-obese-and-diabetic-from-the-plantar-skin-thermogram-a-clue-to-predict-the-diabetic-foot
#3
REVIEW
Francisco-J Renero-C
Background: Thermoregulation is a complex autonomic process to keep or to dissipate heat in the human body. Methods: In this work, by means of the thermogram of the plantar skin, the thermoregulation of healthy individuals, overweight-obese, and diabetic is discussed. Results: The thermograms of the plantar skin, for the healthy individuals, are: (1) symmetrical, the temperature distribution of the right foot being a mirror image of that of the left foot ; (2) the thermograms of women, on average, are 3°C colder than those of the men; and (3) the temperature distributions decrease distally from the medial longitudinal arch...
2017: Diabetic Foot & Ankle
https://www.readbyqxmd.com/read/28814975/the-typically-developing-paediatric-foot-how-flat-should-it-be-a-systematic-review
#4
REVIEW
Hayley Uden, Rolf Scharfbillig, Ryan Causby
BACKGROUND: All typically developing children are born with flexible flat feet, progressively developing a medial longitudinal arch during the first decade of their lives. Whilst the child's foot is expected to be flat, there is currently no consensus as to how flat this foot should be. Furthermore, whilst feet are observed to decrease in flatness with increasing age, it is not known how flat they should be at each age increment. The objective of this systematic review is to define the postural characteristics of the 'typically' developing paediatric foot...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28779804/what-to-do-with-the-spring-ligament
#5
REVIEW
Brian Steginsky, Anand Vora
The spring ligament complex is an important static restraint of the medial longitudinal arch of the foot and its failure has been associated with progressive flatfoot deformity. Reconstruction of the spring ligament complex is most appropriate in stage II posterior tibial tendon dysfunction, before severe peritalar subluxation and rigid deformity develops. Although an understanding of the spring ligament complex and its contribution to medial arch stability has grown, there is no unanimously accepted surgical technique that has consistently demonstrated satisfactory outcomes...
September 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28764143/prevalence-of-flexible-flat-foot-in-adults-a-cross-sectional-study
#6
Ashok Aenumulapalli, Manoj Mohan Kulkarni, Achleshwar Ramnarain Gandotra
INTRODUCTION: Flat foot (pes planus) is a commonly observed disorder in clinical practice. The height of Medial Longitudinal Arch (MLA) determines the degree of pes planus. Majority of the previous studies on prevalence of flexible flat foot were done among children. AIM: The present study was undertaken to determine the prevalence of flexible flat foot among 18-21-year-old Indian adults using Navicular Drop Test (NDT) which is regarded as reliable and valid method to characterise MLA...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28708428/reliability-and-correlation-of-static-and-dynamic-foot-arch-measurement-in-a-healthy-pediatric-population
#7
Timo Scholz, Astrid Zech, Karl Wegscheider, Susanne Lezius, Klaus-Michael Braumann, Susanne Sehner, Karsten Hollander
BACKGROUND: Measurement of the medial longitudinal foot arch in children is a controversial topic, as there are many different methods without a definite standard procedure. The purpose of this study was to 1) investigate intraday and interrater reliability regarding dynamic arch index and static arch height, 2) explore the correlation between both arch indices, and 3) examine the variation of the medial longitudinal arch at two different times of the day. METHODS: Eighty-six children (mean ± SD age, 8...
July 14, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28631280/age-and-sex-associated-morphological-variations-of-metatarsal-torsional-patterns-in-humans
#8
Masateru Kitashiro, Naomichi Ogihara, Tetsuro Kokubo, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
It has been demonstrated that the torsional patterns of the metatarsal heads are associated with the presence or absence of the medial longitudinal arch in hominoid feet. The relatively untwisted second metatarsal is unique in humans, but that of the African apes is much more inverted, suggesting that the torsion of the second metatarsal might represent the overall shape and flatness of the foot. Some clinical studies have recently argued that the onset of foot pathologies such as hallux valgus might be related to the torsional pattern of the metatarsals...
June 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28626309/does-the-weakening-of-intrinsic-foot-muscles-cause-the-decrease-of-medial-longitudinal-arch-height
#9
Kazunori Okamura, Shusaku Kanai, Sadaaki Oki, Satoshi Tanaka, Naohisa Hirata, Yoshiaki Sakamura, Norikatsu Idemoto, Hiroki Wada, Akira Otsuka
[Purpose] There are no reliable evidences that the weakening of intrinsic foot muscles causes the decrease of the medial longitudinal arch (MLA) height. The purpose of this study was to confirm whether the fatigue of intrinsic foot muscles decrease the MLA height during standing and gait using 3D motion analysis system. [Subjects and Methods] Twenty healthy male subjects participated in this study. Foot kinematics was measured using an Oxford Foot Model before and after fatigue-inducing exercises of the abductor hallucis and flexor hallucis brevis muscles...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28623061/comparison-of-extraosseous-talotarsal-stabilization-implants-in-a-stage-ii-adult-acquired-flatfoot-model-a-finite-element-analysis
#10
Jian Xu, Xin Ma, Daping Wang, Wei Lu, Weimin Zhu, Kan Ouyang, Haifeng Liu, Hao Li, Luoyong Jiang
Subtalar arthroereisis has been proved to be an efficient method for correcting flexible adult flatfoot. However, the optimal sinus tarsi implant is still debated and yet to be determined. In the present study, we compared the biomechanical effects of type I and II sinus tarsi implants in stage II adult-acquired flatfoot deformity (AAFD). First, a finite element model of stage II AAFD was established in which virtual surgery of subtalar arthroereisis was simulated. The indexes of plantar stress distribution, peak von Mises of the medial and lateral columns, strain of the medial ligaments and plantar fascia, arch height, talo-first metatarsal angle, calcaneus pitch angle, talonavicular coverage angle, and hindfoot valgus angle were all compared and analyzed...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28503539/differences-in-pes-planus-and-pes-cavus-subtalar-eversion-inversion-before-and-after-prolonged-running-using-a-two-dimensional-digital-analysis
#11
Charlotte Sinclair, Ulla Svantesson, Rita Sjöström, Marie Alricsson
In sports, there is a constant discussion about the hyper-pronation and supination of the foot during loading and its relation to injuries or discomfort. The purpose of the present study was to investigate the possible differences in the subtalar joint in the midstance phase of running, between individuals with Pes Planus and Pes Cavus, after 5 min and 45 min of running. Thirty-four subjects, meeting the requirements for Pes Planus (30 feet) and Pes Cavus (35 feet), according to the criteria for Medial Longitudinal Arch-angle, were included in the study...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28487048/relationship-between-grading-with-magnetic-resonance-imaging-and-radiographic-parameters-in-posterior-tibial-tendon-dysfunction
#12
Kazuya Ikoma, Yusuke Hara, Masamitsu Kido, Kan Imai, Masahiro Maki, Suzuyo Ohashi, Toshikazu Kubo
The objective of the present study was to elucidate the relationship between the state of the posterior tibial tendon (PTT) on magnetic resonance images and foot deformity. The cases included 34 feet in 27 patients with PTT deformity and the controls included 18 feet in 12 patients who had undergone magnetic resonance imaging for other foot diseases. The PTT was closely examined on the magnetic resonance images and classified using the Conti classification. The control feet with no injury to the PTT were classified as grade 0...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28462802/relationship-between-the-mobility-of-medial-longitudinal-arch-and-postural-control
#13
Tansu Birinci, Sule Badıllı Demirbas
OBJECTIVE: The aim of this study was to analyze the relationship between the medial longitudinal arch mobility and static and dynamic balance. METHODS: A total of 50 subjects (25 female, and 25 male; Mean age: 22.2 ± 1.3 years; BMI: 22.8 ± 3.8 kg/m(2)) were included in this study. The relative arch deformity (RAD) was calculated with both 10% and 90% weight bearing (WB). Static balance was evaluated with Single Leg Stance Test and dynamic balance with TechnoBody PK 200WL computerized balance device...
April 24, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28447150/anatomical-status-of-the-human-palatopharyngeal-sphincter-and-its-functional-implications
#14
Kaori Sumida, Yoshinori Ando, Shinichiro Seki, Kikuji Yamashita, Akira Fujimura, Otto Baba, Seiichiro Kitamura
PURPOSE: The transition muscle between the palatopharyngeus (PP) and the superior constrictor of the pharynx (SCP) encircles the pharyngeal isthmus from behind and is designated as the palatopharyngeal sphincter (PPS). The PPS is inferred to play important roles for velopharyngeal closure, but its existence remains controversial and its roles have been regarded as being played by the SCP. The present study aimed to clarify the anatomical status and functional implications of the PPS. MATERIALS AND METHODS: Macroscopic and microscopic examinations were performed on 39 and 4 cadavers, respectively...
April 26, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28419877/effect-of-foot-orthoses-on-the-medial-longitudinal-arch-in-children-with-flexible-flatfoot-deformity-a-three-dimensional-moment-analysis
#15
Amir Ali Jafarnezhadgero, Morteza Madadi Shad, Mahdi Majlesi
Foot orthoses are often used to correct altered gait patterns. The purpose of this study was to investigate how foot orthoses can modify the magnitude of three dimensional moments of ankle, knee, and hip joints during a stride of gait in children with flexible flat feet. Bilateral gait data were collected from fourteen male children (age 10.2±1.4 years) suffering from flat feet syndrome. In order to obtain the kinematics data, a Vicon system with six cameras (100Hz) was used and two Kistler force plates (1000Hz) to record the kinetics data under each leg...
June 2017: Gait & Posture
https://www.readbyqxmd.com/read/28390446/genetic-influence-on-accessory-navicular-bone-in-the-foot-a-korean-twin-and-family-study
#16
In Yae Cheong, Hyo Jeong Kang, Hyeonyoung Ko, Joohon Sung, Yun-Mi Song, Ji Hye Hwang
An accessory navicular bone (AN) is the most common accessory ossicle in the foot. The presence of an AN bone can trigger various foot problems, such as posterior tibial tendon pathology, flattening of the medial longitudinal arch, and medial foot pain. Despite the clinical influence of presence of an AN in foot disease, the research regarding its inheritance is still insufficient. A total of 135 pairs of monozygotic (MZ) twins, 25 pairs of dizygotic (DZ) twins, and 676 singletons from families were enrolled in order to estimate genetic influences on AN...
April 9, 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28242568/the-mechanism-of-force-transference-in-feet-of-children-ages-two-to-six
#17
Mingyu Hu, Nan Zhou, Bo Xu, Wuyong Chen, Jianxin Wu, Jin Zhou
The aim of this study was to design an algorithm to quantify the plantar force transference of children from ages 2-6. In total, 319 healthy children without abnormal gait patterns, foot deformities or injuries, able to walk independently, and with normal BMIs were recruited, and their plantar force distributions were measured. Their plantar areas were divided into ten parts: the hallux, toes #2-5, the first to fifth metatarsal heads (1st-5th MTH), the mid-foot (MF), medial heel (MH) and lateral heel (LH), in which a relative force-time integral (FTIrel) (%) was calculated...
February 22, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28121362/anatomy-pathophysiology-and-classification-of-posterior-tibial-tendon-dysfunction
#18
REVIEW
M Guelfi, A Pantalone, R M Mirapeix, D Vanni, F G Usuelli, M Guelfi, V Salini
OBJECTIVE: Adult acquired flatfoot deformity is generally associated with a collapsing medial longitudinal arch and a progressive loss of strength of the posterior tibial tendon (PTT). This condition is commonly associated with PTT dysfunction or rupture, which can have an arthritic or a traumatic etiology. Several causes have been proposed to explain the clinical evidence of tendon degeneration observed at the time of surgery including trauma, anatomical, mechanical, inflammatory and ischemic factors...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28058661/an-old-mismanaged-lisfranc-injury-treated-by-gradual-deformity-correction-followed-by-the-second-stage-internal-fixation
#19
Mehraj D Tantray, Khurshid Kangoo, Asif Nazir, Muzamil Baba, Raja Rameez, Syed Tabish, Syed Shahnawaz
The Lisfranc fracture-dislocation of the foot is uncommon and diagnosis is often missed. The Lisfranc joint involves the articulation between medial cuneiform and base of the second metatarsal and is considered a keystone to structural integrity to the midfoot. The articulation has a stabilization effect on longitudinal and transverse arches of the foot. A neglected or untreated injury to the Lisfranc joint can lead to secondary arthritis and significant morbidity and disability. We present a case of a neglected Lisfranc fracture-dislocation in a 28-year-old female patient who presented 3 months after injury...
April 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28017708/comparison-of-morphology-between-patients-with-and-without-developmental-spinal-canal-stenosis-to-inform-the-feasibility-of-c1%C3%A2-lateral-mass-screw-insertion-in-the-atlas
#20
Naoki Notani, Masashi Miyazaki, Shozo Kanezaki, Toshinobu Ishihara, Masanori Kawano, Hiroshi Tsumura
BACKGROUND: C1 lateral mass screws are increasingly being used as an effective anchoring system. Insufficient posterior arch height increases difficulty of inserting the screws using the Tan method. The general aim of our retrospective cross-sectional study was to clarify the atlas morphology of patients with developmental spinal canal stenosis to evaluate the usefulness of the Tan method. METHODS: A computed tomography myelogram was performed in 85 Japanese patients presenting with spinal disorders...
December 23, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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