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https://www.readbyqxmd.com/read/28536215/sesamoid-osteonecrosis-treated-with-radial-extracorporeal-shock-wave-therapy
#1
Dawn Thompson, Nikos Malliaropoulos, Nat Padhiar
Sesamoid osteonecrosis is a disabling condition resulting in severe forefoot pain, for which there are limited treatment options. We present a 52-year-old man with 1-year history of pain, aggravated by walking and playing tennis. On examination, pain was localised to plantar aspect of the first metatarsophalangeal joint. Imaging revealed evolving end-stage avascular necrosis of lateral sesamoid with early secondary degenerative changes. Previous exhaustive conservative treatment had been unsuccessful in alleviating his pain...
May 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28533627/reduced-foot-pain-after-spasticity-control-with-alcohol-block-in-a-patient-with-chronic-hemiparetic-stroke-a-case-report
#2
Min Cheol Chang
[Purpose] This study report a case of a patient with hemiparetic stroke who showed significantly reduced foot pain when ankle spasticity was reduced using nerve and motor point blocks with 20% ethyl alcohol. [Subject and Methods] A 58-year-old woman with left hemiparesis following intracranial hemorrhage five years previously presented with pain in the left fifth metatarsal head for two years (numeric rating scale[NRS]: 8). Erythema and edema were observed on the lateral aspect of the head of the fifth metatarsal bone...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28527835/biomechanical-study-on-surgical-fixation-methods-for-minimally-invasive-treatment-of-hallux-valgus
#3
Rui Mao, Junchao Guo, Chenyu Luo, Yubo Fan, Jianmin Wen, Lizhen Wang
Hallux valgus (HV) was one of the most frequent female foot deformities. The aim of this study was to evaluate mechanical responses and stabilities of the Kirschner, bandage and fiberglass fixations after the distal metatarsal osteotomy in HV treatment. Surface traction of different forefoot regions in bandage fixation and the biomechanical behavior of fiberglass bandage material were measured by a pressure sensor device and a mechanical testing, respectively. A three-dimensional foot finite element (FE) model was developed to simulate the three fixation methods (Kirschner, bandage and fiberglass fixations) in weight bearing...
May 17, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28523314/health-related-quality-of-life-in-patients-with-hallux-valgus
#4
Lavinia Maria Hogea, Bogdan Gheorghe Hogea, Laura Alexandra Nussbaum, Mirela Loredana Grigoraş, Bogdan Corneliu Andor, Codrina Mihaela Levai, Ana Cristina Bredicean
BACKGROUND AND AIMS: No deformity of the forefoot occurs more frequently than hallux valgus (HV), which is considered to be medial deviation of the first metatarsal and lateral deviation and rotation of the hallux, either with or without medial soft tissue enlargement of the metatarsal head. The HV deformity can lead to painful motion of the joint or difficulty in daily joint activity that often requires surgical correction. The aims of this study were to investigate the levels of foot pain and quality of life of patients with HV before and after surgery...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28513218/three-cycles-of-radiofrequency-ablation-are-more-efficacious-than-two-in-the-management-of-morton-s-neuroma
#5
David Brooks, Adam Parr, William Bryceson
BACKGROUND: Morton's neuroma is a common cause of forefoot pain. Outcomes of conservative therapy are mixed and many patients undergo operative intervention. Radiofrequency ablation has recently gained favor as a treatment option, although the optimal regime is unknown. This study investigates the effectiveness of 2 versus 3 cycles of radiofrequency ablation for the treatment of Morton's neuroma. METHODS: We surveyed a cohort of patients with Morton's neuroma who had progressed to radiofrequency ablation after failed conservative treatment...
May 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28506125/hemoglobin-a1c-as-a-predictor-of-postoperative-infection-following-elective-forefoot-surgery
#6
Jourdan M Cancienne, Minton T Cooper, Kevin A Laroche, Dirk W Verheul, Brian C Werner
BACKGROUND: There remains little evidence to support a perioperative hemoglobin A1c (HbA1c) level that could serve as a threshold for a significantly increased risk of postoperative surgical site infection (SSI) following forefoot surgery. METHODS: A national database was queried for patients who underwent elective forefoot surgery with diabetes. Patients with a perioperative HbA1c level within 3 months of surgery were identified and stratified based on HbA1c level in 0...
May 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28499159/sensitivity-of-biomechanical-outcomes-to-independent-variations-of-hindfoot-and-forefoot-stiffness-in-foot-prostheses
#7
Peter Gabriel Adamczyk, Michelle Roland, Michael E Hahn
Many studies have reported the effects of different foot prostheses on gait, but most results cannot be generalized because the prostheses' properties are seldom reported. We varied hindfoot and forefoot stiffness in an experimental foot prosthesis, in increments of 15N/mm, and tested the parametric effects of these variations on treadmill walking in unilateral transtibial amputees, at speeds from 0.7 to 1.5m/s. We computed outcomes such as prosthesis energy return, center of mass (COM) mechanics, ground reaction forces, and joint mechanics, and computed their sensitivity to component stiffness...
May 9, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28497049/biomechanical-analysis-of-cuboid-osteotomy-lateral-column-lengthening-for-stage-ii-b-adult-acquired-flatfoot-deformity-a-cadaveric-study
#8
Haichao Zhou, Haoyang Ren, Chunguang Li, Jiang Xia, Guangrong Yu, Yunfeng Yang
Purpose. To investigate the effect of cuboid osteotomy lateral column lengthening (LCL) for the correction of stage II B adult-acquired flatfoot deformity in cadaver. Methods. Six cadaver specimens were loaded to 350 N. Flatfoot models were established and each was evaluated radiographically and pedobarographically in the following conditions: (1) intact foot, (2) flatfoot, and (3) cuboid osteotomy LCL (2, 3, 4, and 5 mm). Results. Compared with the flatfoot model, the LCLs showed significant correction of talonavicular coverage on anteroposterior radiographs and talus-first metatarsal angle on both anteroposterior and lateral radiographs (p < ...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28487048/relationship-between-grading-with-magnetic-resonance-imaging-and-radiographic-parameters-in-posterior-tibial-tendon-dysfunction
#9
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...
May 6, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28486847/the-effects-of-common-footwear-on-stance-phase-mechanical-properties-of-the-prosthetic-foot-shoe-system
#10
Matthew J Major, Joel Scham, Michael Orendurff
BACKGROUND: Prosthetic feet are prescribed based on their mechanical function and user functional level. Subtle changes to the stiffness and hysteresis of heel, midfoot, and forefoot regions can influence the dynamics and economy of gait in prosthesis users. However, the user's choice of shoes may alter the prosthetic foot-shoe system mechanical characteristics, compromising carefully prescribed and rigorously engineered performance of feet. OBJECTIVES: Observe the effects of footwear on the mechanical properties of the prosthetic foot-shoe system including commonly prescribed prosthetic feet...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28483559/effect-of-taping-on-multi-segmental-foot-kinematic-patterns-during-walking-in-persons-with-chronic-ankle-instability
#11
Bart Dingenen, Kevin Deschamps, Frauke Delchambre, Evelien Van Peer, Filip F Staes, Giovanni A Matricali
OBJECTIVES: To evaluate multi-segmental foot kinematic patterns in chronic ankle instability (CAI) participants during walking, and to investigate the influence of high-Dye and low-Dye taping on these kinematic patterns. DESIGN: Cross-sectional study. METHODS: Kinematic data of 12 non-injured controls and 15 CAI participants were measured with a three-dimensional motion analysis system during barefoot walking. In addition, the CAI participants walked with high-Dye and low-Dye taping...
April 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28483557/six-week-transition-to-minimalist-shoes-improves-running-economy-and-time-trial-performance
#12
Joel T Fuller, Dominic Thewlis, Margarita D Tsiros, Nicholas A T Brown, Jonathan D Buckley
OBJECTIVES: This study investigated if gradually introducing runners to minimalist shoes during training improved running economy and time-trial performance compared to training in conventional shoes. Changes in stride rate, stride length, footfall pattern and ankle plantar-flexor strength were also investigated. DESIGN: Randomised parallel intervention trial. METHODS: 61 trained runners gradually increased the amount of running performed in either minimalist (n=31) or conventional (n=30) shoes during a six-week standardised training program...
April 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28482680/optimal-starting-point-for-fifth-metatarsal-zone-ii-fractures-a-cadaveric-study
#13
Geoffrey I Watson, Sydney C Karnovsky, Gabrielle Konin, Mark C Drakos
BACKGROUND: Identifying the optimal starting point for intramedullary fixation of tibia and femur fractures is well described in the literature using a retrograde or anterograde technique. This technique has not been applied to the fifth metatarsal, where screw trajectory can cause iatrogenic malreduction. The generally accepted starting point for the fifth metatarsal is "high and inside" to accommodate the fifth metatarsal's dorsal apex and medial curvature. We used a retrograde technique to identify the optimal starting position for intramedullary fixation of fifth metatarsal fractures...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28481686/lower-extremity-joint-loads-in-habitual-rearfoot-and-mid-forefoot-strike-runners-with-normal-and-shortened-stride-lengths
#14
Elizabeth R Boyer, Timothy R Derrick
Our purpose was to compare joint loads between habitual rearfoot (hRF) and habitual mid/forefoot strikers (hFF), rearfoot (RFS) and mid/forefoot strike (FFS) patterns, and shorter stride lengths (SLs). Thirty-eight hRF and hFF ran at their normal SL, 5% and 10% shorter, as well as with the opposite foot strike. Three-dimensional ankle, knee, patellofemoral (PF) and hip contact forces were calculated. Nearly all contact forces decreased with a shorter SL (1.2-14.9% relative to preferred SL). In general, hRF had higher PF (hRF-RFS: 10...
May 8, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28478746/the-efficacy-of-forceful-ankle-and-toe-exercises-to-increase-venous-return-a-comprehensive-doppler-ultrasound-study
#15
Alexander T Kropp, A Ludwig Meiss, Angelika E Guthoff, Eik Vettorazzi, Sabine Guth, Christoph M Bamberger
Objective Venous stasis is a risk factor for venous thromboembolism. We aimed to determine the efficacy of forceful foot exercises for actuation of the calf muscle pump to counteract stasis. Methods We examined 20 seated healthy subjects. The peak systolic velocity at the level of the popliteal vein was assessed by Doppler ultrasound. Results The mean peak systolic velocity measurements (in cm/s) were as follows: baseline = 5.6; ankle plantar flexion with toe flexion = 91.0; toe touch heel lift = 107...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28476511/training-of-support-afferentation-in-postmenopausal-women
#16
O M Bazanova, N V Kholodina, E D Nikolenko, J Payet
We have recently shown a diminishing of the Menopause Index in old-aged women who underwent special training directed at the enhancement of support afferentation by increasing the plantar forefoot sensitivity (Bazanova et al., 2015). Based on these results we hypothesized, that purposeful training of support afferentation through stimulation of plantar graviceptors by Aikido practice will decrease excessive postural and psychoemotional tension not only in rest condition, but during cognitive and manual task performance too...
May 2, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28472092/influence-of-slope-steepness-foot-position-and-turn-phase-on-plantar-pressure-distribution-during-giant-slalom-alpine-ski-racing
#17
Thomas Falda-Buscaiot, Frédérique Hintzy, Patrice Rougier, Patrick Lacouture, Nicolas Coulmy
The purpose of this study was to investigate the evolution of ground reaction force during alpine skiing turns. Specifically, this study investigated how turn phases and slope steepness affected the whole foot normal GRF pattern while performing giant slalom turns in a race-like setting. Moreover, the outside foot was divided into different plantar regions to see whether those parameters affected the plantar pressure distribution. Eleven skiers performed one giant slalom course at race intensity. Runs were recorded synchronously using a video camera in the frontal plane and pressure insoles under both feet's plantar surface...
2017: PloS One
https://www.readbyqxmd.com/read/28464751/minimally-important-change-measurement-error-and-responsiveness-for-the-self-reported-foot-and-ankle-score
#18
Maria C Cöster, Anna Nilsdotter, Lars Brudin, Ann Bremander
Background and purpose - Patient-reported outcome measures (PROMs) are increasingly used to evaluate results in orthopedic surgery. To enhance good responsiveness with a PROM, the minimally important change (MIC) should be established. MIC reflects the smallest measured change in score that is perceived as being relevant by the patients. We assessed MIC for the Self-reported Foot and Ankle Score (SEFAS) used in Swedish national registries. Patients and methods - Patients with forefoot disorders (n = 83) or hindfoot/ankle disorders (n = 80) completed the SEFAS before surgery and 6 months after surgery...
June 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28464750/effects-of-forefoot-bending-stiffness-of-badminton-shoes-on-agility-comfort-perception-and-lower-leg-kinematics-during-typical-badminton-movements
#19
Sang-Kyoon Park, Wing-Kai Lam, Sukhoon Yoon, Ki-Kwang Lee, Jiseon Ryu
This study investigated whether an increase in the forefoot bending stiffness of a badminton shoe would positively affect agility, comfort and biomechanical variables during badminton-specific movements. Three shoe conditions with identical shoe upper and sole designs with different bending stiffness (Flexible, Regular and Stiff) were used. Elite male badminton players completed an agility test on a standard badminton court involving consecutive lunges in six directions, a comfort test performed by a pair of participants conducting a game-like practice trial and a biomechanics test involving a random assignment of consecutive right forward lunges...
May 2, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28460254/foot-segmental-motion-and-coupling-in-stage-ii-and-iii-tibialis-posterior-tendon-dysfunction
#20
Maarten Van de Velde, Giovanni Arnoldo Matricali, Sander Wuite, Charlotte Roels, Filip Staes, Kevin Deschamps
BACKGROUND: Classification systems developed in the field of posterior tibialis tendon dysfunction omit to include dynamic measurements. Since this may negatively affect the selection of the most appropriate treatment modality, studies on foot kinematics are highly recommended. Previous research characterised the foot kinematics in patients with posterior tibialis tendon dysfunction. However, none of the studies analysed foot segmental motion synchrony during stance phase, nor compared the kinematic behaviour of the foot in presence of different posterior tibialis tendon dysfunction stages...
June 2017: Clinical Biomechanics
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