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https://www.readbyqxmd.com/read/29775166/aluminum-foot-insoles-reduce-plantar-forefoot-pressure-and-increase-foot-comfort-for-motorcyclists
#1
Israel Casado-Hernández, Ricardo Becerro-de-Bengoa-Vallejo, Daniel López-López, Antonio Gómez-Bernal, Marta Elena Losa-Iglesias
BACKGROUND: Foot pain and paresthesia are common in cycling, due to plantar pressure and repetitive loading. OBJECTIVES: The aim was to investigate the effect of foot insoles on plantar pressure of the foot in motorcycling, as well as self-reported comfort. STUDY DESIGN: A randomized crossover clinical trial. METHODS: A flexible foot pressure mat (GP MobilData WiFi® Gebiomized®) with different sizes was utilized. RESULTS: Maximum pressure values occurred predominantly in the hallux with 4...
May 1, 2018: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29772992/rotational-deformity-of-the-first-ray-precludes-accurate-distal-metatarsal-articular-angle-measurement-in-hallux-valgus
#2
David B Frumberg, Qais Naziri, Robert Pivec, Lee Bloom, Barbara Freeman, Jaime A Uribe
The routine workup of hallux valgus includes measurements of the distal metatarsal articular angle (DMAA). However, this angle may not be a reliable measurement when rotational deformities occur. Eight matched cadaveric feet were evaluated radiographically using fluoroscopy. The intermetatarsal angle (IMA), hallux valgus angle, and DMAA were evaluated as a baseline. Then, we assessed whether axial rotation of 15°, 30°, 45°, and 60° affected the accuracy of the IMA and the DMAA significantly. Statistical evaluation was performed using Student's t tests and analysis of variance...
2018: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/29768332/short-term-effects-of-customized-arch-support-insoles-on-symptomatic-flexible-flatfoot-in-children-a-randomized-controlled-trial
#3
Ru-Lan Hsieh, Hui-Ling Peng, Wen-Chung Lee
BACKGROUND: Limited evidence is available regarding the effects of insoles on pediatric flexible flatfoot because of the heterogeneity and low methodological quality of previous studies. The purpose of this prospective trial is to examine the short-term effects of customized arch support insoles on symptomatic flexible flatfoot in children by using the International Classification of Functioning, randomized controlled Disability, and Health (ICF) framework. METHODS: This study was conducted in a rehabilitation outpatient clinic of a teaching hospital...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29764690/inter-ray-variation-in-metatarsal-strength-properties-in-humans-and-african-apes-implications-for-inferring-bipedal-biomechanics-in-the-olduvai-hominid-8-foot
#4
Biren A Patel, Tea Jashashvili, Stephanie H Bui, Kristian J Carlson, Nicole L Griffin, Ian J Wallace, Caley M Orr, Randall L Susman
When measured as a ratio of mean midshaft diameter to bone length, the OH 8 fossil hominin foot exhibits a metatarsal (Mt) robusticity pattern of 1 > 5 > 3 > 4 > 2, which differs from the widely perceived "common" modern human pattern (1 > 5 > 4 > 3 > 2); African apes generally exhibit a third pattern (1 > 2 > 3 > 4 > 5). Largely because of the relative ranking of Mt2 and Mt5, OH 8 metatarsals structurally resemble the pattern exhibited by bipedal humans more than the pattern of quadrupedal and climbing African apes...
May 12, 2018: Journal of Human Evolution
https://www.readbyqxmd.com/read/29758978/analysis-of-foot-kinematics-wearing-high-heels-using-the-oxford-foot-model
#5
Meizi Wang, Yaodong Gu, Julien Steven Baker
Wearing high heels is thought to lead to various foot disorders and injuries such as metatarsal pain, Achilles tendon tension, plantar fasciitis and Haglund malformation. However, there is little available information explaining the specific mechanisms and reasons why wearing high heels causes foot deformity. Therefore, the purpose of this study was to investigate the foot kinematics of high heel wearers and compare any differences with barefoot individuals using the Oxford Foot Model (OFM). Fifteen healthy women aged 20-25 years were measured while walking barefoot and when wearing high heels...
April 29, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29748781/plantar-blood-flow-response-to-accumulated-pressure-stimulus-in-diabetic-people-with-different-peak-plantar-pressure-a-non-randomized-clinical-trial
#6
Fang Pu, Weiyan Ren, Hongyuan Fu, Xuan Zheng, Min Yang, Yih-Kuen Jan, Yubo Fan
The aim of this study was to investigate the plantar blood flow response to the same accumulated pressure stimulus in diabetic patients with different peak plantar pressure (PPP), which is important for assessing the risk of diabetic foot ulcer. Eleven diabetic subjects with high PPP (PPP ≥ 207 kPa) and 8 diabetic subjects with low PPP (PPP < 207 kPa) were asked to walk naturally on a treadmill so as to induce an accumulated stimulus of 73,000 kPa·s on their first metatarsal head, which was monitored with a sensorized insole...
May 11, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29737368/-minimally-invasive-correction-of-lesser-toe-deformities-and-treatment-of-metatarsalgia
#7
REVIEW
M Thomas, M Jordan
OBJECTIVE: Atraumatic and joint-sparing procedure for the correction of lesser toe deformities by using a linear or perpendicular osteotomy of the proximal and/or middle phalanx of the lesser toes with additional capsulotomies or tendon dissection for soft tissue realignment. Metatarsalgia is addressed via an extracapsular distal metaphyseal crescentic-like metatarsal osteotomy. INDICATIONS: Symptomatic lesser toe deformities, painful pseudoexostosis, metatarsalgia, symptomatic metatarsal malalignment, metatarsus adductus...
May 8, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29736917/use-of-cancellous-bone-grafting-to-promote-granulation-tissue-in-a-distal-limb-wound-in-a-dog
#8
K Barnes, O Lanz, S Barry, K Aulakh
A 5-year-old female spayed Shetland sheepdog presented for evaluation of bandage sores on the left pelvic limb after a splint was placed to stabilise a digit fracture incurred approximately 2 weeks previously. Multiple areas of necrosis were identified upon bandage removal. After debridement of devitalised tissue, a 4 cm wound on the plantar surface of the metatarsal bones (with exposed bone and tendons) remained. The Papineau technique (which involves removal of infected or necrotic tissue, placement of autogenous cancellous bone graft within a wound, and delayed skin closure) was used to treat this wound...
May 7, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29729802/hallux-valgus-deformity-and-treatment-a-three-dimensional-approach-modified-technique-for-lapidus-procedure
#9
REVIEW
Robert D Santrock, Bret Smith
In a hallux valgus deformity, the problem is deviation of the hallux at the metatarsophalangeal joint and of the first metatarsal at the tarsometatarsal joint. Although anterior-posterior radiograph findings have been prioritized, deviation in the other planes can substantially change visible cues. The modified technique for Lapidus procedure procedure, uses all 3 planes to evaluate and correct the deformity, making radiographic measurements less useful. Using a triplane framework and focusing on the apex of the deformity, all bunions become the same modified technique for Lapidus procedure can be performed regardless of the degree of deformity, always includes triplane correction, and deformity size becomes irrelevant...
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729800/proximal-supination-osteotomy-of-the-first-metatarsal-for-hallux-valgus
#10
REVIEW
Ryuzo Okuda
Postoperative recurrence of hallux valgus is a relatively common complication and is associated with unsatisfactory surgical outcomes. Risk factors for postoperative recurrence include a round lateral edge of the first metatarsal head (a positive round sign) and incomplete reduction of the sesamoids. These risk factors may relate to residual pronation of the first metatarsal following surgery. A novel technique of a proximal supination osteotomy, in which varus and pronation of the first metatarsal can be corrected simultaneously, can achieve significant correction in moderate or severe hallux valgus deformity and a low rate of hallux valgus recurrence...
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729799/using-the-center-of-rotation-of-angulation-concept-in-hallux-valgus-correction-why-do-we-choose-the-proximal-oblique-sliding-closing-wedge-osteotomy
#11
REVIEW
Emilio Wagner, Cristian Ortiz, Pablo Wagner
Many different surgeries have been proposed for hallux valgus treatment, osteotomies being the currently recommended ones. Because of high recurrence rates, distal, diaphyseal and proximal osteotomies have been used to improve alignment and sesamoid reduction. The center of rotation of angulation (CORA) concept applies to any deformity and helps to completely realign 2 bone segments. When used with proximal osteotomies, bone displacement and angulation is performed obtaining complete deformity correction. The proximal oblique sliding closing wedge (POSCOW) osteotomy follows the CORA concept and permits preoperative planning...
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729798/how-do-i-use-the-scarf-osteotomy-to-rotate-the-metatarsal-and-correct-the-deformity-in-three-dimensions
#12
REVIEW
Eric Swanton, Lyndon Mason, Andy Molloy
The scarf osteotomy has become the workhorse procedure for a large proportion of foot and ankle surgeons, especially in Europe, in the treatment of hallux valgus. Such a versatile procedure should not be underestimated, and planning and thought should precede any such procedure. The angle of bone cuts and magnitude of translation dictate the final position, and all movement axes should be given equal attention.
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729797/how-i-use-a-three-dimensional-approach-to-correct-hallux-valgus-with-a-distal-metatarsal-osteotomy
#13
REVIEW
Daniel M G Winson, Anthony Perera
The role of uniplanar osteotomy in correction of multiplanar deformity in hallux valgus is a developing and promising concept. Careful consideration should be given to the literature when considering the concept of preexisting pronation of the metatarsal. Recent weight-bearing computed tomography studies contradict the existing literature and state that there is little or no rotation of the metatarsal; therefore, a multiplanar osteotomy should aim to correct the rotation caused by soft tissue imbalance at the tarsometatarsal and metatarsophalangeal joints rather than in the metatarsal itself...
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729796/sesamoid-position-in-hallux-valgus-in-relation-to-the-coronal-rotation-of-the-first-metatarsal
#14
REVIEW
Jin Su Kim, Ki Won Young
Hallux valgus (HV) is not a simple two-dimensional deformity but is instead a three-dimensional deformity that is closely linked to sesamoid position and first metatarsal (MT) pronation. HV may or may not be accompanied by sesamoid subluxation and/or first MT head pronation. Each of these scenarios should be assessed using weighted computed tomography scan preoperatively, and the necessary corrections should be performed accordingly.
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729795/is-the-rotational-deformity-important-in-our-decision-making-process-for-correction-of-hallux-valgus-deformity
#15
REVIEW
Pablo Wagner, Emilio Wagner
Rotational deformity in hallux valgus is a recognized component and a demonstrated recurrence factor in patients who have undergone surgery. More than 20 years ago, publications started reporting metatarsal pronation as part of the hallux valgus pathology. Identifying metatarsal pronation should be part of the preoperative angular measurements. The proximal metatarsal rotational osteotomy and Lapidus fusion are some of the few techniques that reliably correct metatarsal pronation. They have good results, with more nonunions reported for the Lapidus...
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29729794/comparison-of-three-dimensional-displacement-among-different-metatarsal-osteotomies
#16
REVIEW
Young Yi, Woo-Chun Lee
Hallux valgus is a slowly progressing complex 3-dimensional biomechanical process. Therefore, precise understanding of 3-dimensional deformity is essential for satisfactory clinical result. Uniplanar correction on anteroposterior view of foot would be insufficient, and rotation on frontal plane as well as sagittal alignment should also be well corrected. This article will review the 3-dimensional components of bony displacement in different surgical methods for hallux valgus correction.
June 2018: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29715225/modified-scarf-osteotomy-with-medial-capsule-interposition-for-hallux-valgus-in-rheumatoid-arthritis-a-study-of-cases-including-severe-first-metatarsophalangeal-joint-destruction
#17
Junichi Kushioka, Makoto Hirao, Hideki Tsuboi, Kosuke Ebina, Takaaki Noguchi, Akihide Nampei, Shigeyoshi Tsuji, Shosuke Akita, Jun Hashimoto, Hideki Yoshikawa
BACKGROUND: Arthrodesis of the first metatarsophalangeal (MTP) joint has been recommended for severe hallux valgus deformity in patients with rheumatoid arthritis (RA). However, with the progress of medical treatment of RA, joint preservation surgery has recently been performed. The aim of this study was to investigate the clinical and radiographic outcomes of modified Scarf osteotomy with medial capsule interposition for RA cases including severe destruction of the first MTP joint and to evaluate risk factors for recurrence...
May 2, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29713385/a-minimal-markerset-for-three-dimensional-foot-function-assessment-measuring-navicular-drop-and-drift-under-dynamic-conditions
#18
Patric Eichelberger, Angela Blasimann, Nicole Lutz, Fabian Krause, Heiner Baur
Background: The validity of predicting foot pronation occurring mainly at the midfoot by surrogate measures from the rearfoot, like eversion excursion, is limited. The dynamic navicular mobility in terms of vertical navicular drop ( dNDrop ) and medial navicular drift ( dNDrift ) may be regarded as meaningful clinical indicators to represent overall foot function. This study aimed to develop a minimal approach to measure the two parameters and to examine their intra- and interday reliability during walking...
2018: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29707071/gas-formation-and-biological-effects-of-biodegradable-magnesium-in-a-preclinical-and-clinical-observation
#19
Yu-Kyoung Kim, Kwang-Bok Lee, Seo-Young Kim, Ken Bode, Yong-Seok Jang, Tae-Young Kwon, Moo Heon Jeon, Min-Ho Lee
Magnesium alloys are biodegradable metals receiving increasing attention, but the clinical applications of these materials are delayed by concerns over the rapid corrosion rate and gas formation. Unlike corrosion, which weakens mechanical properties, the gas formation issue has received little attention. Therefore, we evaluated the gas formation and biological effects for Mg implants through preclinical (immersed in Earle's balanced salt solution and in vivo ) and clinical studies. The immersion test examined the gas volume and composition...
2018: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/29706721/relationship-between-transverse-arch-height-and-foot-muscles-evaluated-by-ultrasound-imaging-device
#20
Yasuaki Nakayama, Yuto Tashiro, Yusuke Suzuki, Yu Kajiwara, Hala Zeidan, Mirei Kawagoe, Yuki Yokota, Takuya Sonoda, Kanako Shimoura, Masataka Tatsumi, Kengo Nakai, Yuichi Nishida, Tsubasa Bito, Soyoka Yoshimi, Tomoki Aoyama
[Purpose] Few studies on the transverse arch (TA) in the forefoot have been conducted. The forefoot is where pains occur most frequently and is related to walking and balance; hence, paying attention to TA is vital. However, the relationship between TA and foot muscles has not been investigated. Therefore, this study aims to investigate muscles related to TA. [Subjects and Methods] Nineteen healthy young males were included. Measurements of their feet, excluding one foot with recent foot pain (n=37), were obtained...
April 2018: Journal of Physical Therapy Science
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