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https://www.readbyqxmd.com/read/28214061/open-physeal-fracture-of-the-distal-phalanx-of-the-hallux-case-study-diagnosis-and-management
#1
Brandon Morris, Scott Mullen, Paul Schroeppel, Bryan Vopat
Open physeal fractures of the distal phalanx of the hallux are the lesser described counterpart to the same fracture of the finger, known by its eponym as a "Seymour fracture". Displaced Salter-Harris phalangeal fractures present with a concomitant nailbed or soft tissue injury. Often these fractures occur in the summer months when open-toe footwear can be worn, however, they may occur indoors as well. Frequently, the injury results from direct axial load of the toe, or "stubbing", which causes the fracture and associated soft tissue injury...
February 6, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28210064/toe-functions-have-little-effect-on-dynamic-balance-ability-in-elderly-people
#2
Yoshinobu Yoshimoto, Yukitsuna Oyama, Mamoru Tanaka, Asuka Sakamoto
[Purpose] The purpose of this study was to examine the toe function of elderly people and the association with the dynamic balance ability for the developing effective fall-prevention measures. [Subjects and Methods] Seventy-eight participants in a community health service were included in this cross-sectional study. The Timed Up and Go Test and Four Square Step Test were used to test dynamic balance ability. The toe functions related to dynamic balance ability were toe flexion strength, presence or absence of restricted range of motion of the hallux, presence or absence of hallux pain, and hallux valgus angle...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210050/a-study-of-the-relationships-of-changes-in-pain-and-gait-after-tourniquet-induced-ischemia-reperfusion-in-rats
#3
Kazuki Aihara, Takeya Ono, Namiko Umei, Wakako Tsumiyama, Atsushi Tasaka, Hideki Ishikura, Yuta Sato, Tomohiro Matsumoto, Sadaaki Oki
[Purpose] The purpose of this study was to determine the relationships of changes in pain and gait after ischemia reperfusion was induced by tourniquet in rats. [Subjects and Methods] The subjects were six ten-week-old male Wistar rats. Ischemia was induced in the left lower limbs of the experimental rats at a pressure of 300 mmHg for 90 minutes. Pain behavior evaluations were measured using the von Frey test in all the rats' hind limbs. A consistently increasing plantar stimulus was applied until the rats exhibited an escape behavior...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28207966/relationship-between-the-length-of-the-forefoot-bones-and-performance-in-male-sprinters
#4
Takahiro Tanaka, Tadashi Suga, Mitsuo Ohtsuka, Jun Misaki, Yuto Miyake, Shoma Kudo, Akinori Nagano, Tadao Isaka
Although recent studies have reported that the forefoot bones are longer in sprinters than in non-sprinters, these reports included a relatively small number of subjects. Moreover, while computer simulation suggested that longer forefoot bones may contribute to higher sprint performance by enhancing plantar flexor moment during sprinting, the correlation between forefoot bone length and sprint performance in humans has not been confirmed in observational studies. Thus, using a relatively large sample, we compared the length of the forefoot bones between sprinters and non-sprinters...
February 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28203158/a-28-year-old-male-patient-with-nail-tumors-skin-lesions-and-epilepsy
#5
Deepak M W Balak, Bernard A Zonnenberg, Juliette M J Spitzer-Naaijkens, Mieke M Hulshof
BACKGROUND: Tuberous sclerosis complex (TSC) is an autosomal dominant disorder characterized by the development of benign hamartomas in multiple organs. Most patients with TSC exhibit cutaneous manifestations. METHODS: We report a 28-year-old patient with multiple pink papules at the proximal nail fold of several toes. RESULTS: Histopathological analysis of a biopsy of a papule was consistent with an ungual fibroma. Histopathological analysis of a biopsy of an elevated skin-colored plaque at the lower back was diagnostic for a Shagreen patch...
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28202470/the-effect-of-foot-posture-on-capacity-to-apply-free-moments-to-the-ground-implications-for-fighting-performance-in-great-apes
#6
David R Carrier, Christopher Cunningham
In contrast to most other primates, great apes have feet in which the heel supports body weight during standing, walking and running. One possible advantage of this plantigrade foot posture is that it may enhance fighting performance by increasing the ability to apply free moments (i.e. force couples) to the ground. We tested this possibility by measuring performance of human subjects when performing from plantigrade and digitigrade (standing on the ball of the foot and toes) postures. We found that plantigrade posture substantially increased the capacity to apply free moments to the ground and to perform a variety of behaviors that are likely to be important to fighting performance in great apes...
February 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28193099/outcomes-of-grafting-intrasynovial-tendons-of-the-toes-to-the-hands-in-10-patients-a-preliminary-report
#7
H Ohi, S Uchiyama, T Kanda, M Mukoda, M Hayashi, H Kato
Ten patients had intrasynovial tendon grafting harvested from the toes for secondary flexor tendon reconstruction in nine fingers and one thumb in our institutes from 2009 to 2014. These patients were followed for a mean of 15 (range: 8-36) months. The ranges of total active motion of the proximal and distal interphalangeal joints of these nine fingers were 143° (range: 108-175°) and of the metacarpophalangeal and interphalangeal joints of one thumb were 110°. In conclusion, this technique is feasible and gives a good result when successful but with a high complication rate...
February 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28192527/the-efficacy-of-a-scaffold-free-bio-3d-conduit-developed-from-human-fibroblasts-on-peripheral-nerve-regeneration-in-a-rat-sciatic-nerve-model
#8
Hirofumi Yurie, Ryosuke Ikeguchi, Tomoki Aoyama, Yukitoshi Kaizawa, Junichi Tajino, Akira Ito, Souichi Ohta, Hiroki Oda, Hisataka Takeuchi, Shizuka Akieda, Manami Tsuji, Koichi Nakayama, Shuichi Matsuda
BACKGROUND: Although autologous nerve grafting is the gold standard treatment of peripheral nerve injuries, several alternative methods have been developed, including nerve conduits that use supportive cells. However, the seeding efficacy and viability of supportive cells injected in nerve grafts remain unclear. Here, we focused on a novel completely biological, tissue-engineered, scaffold-free conduit. METHODS: We developed six scaffold-free conduits from human normal dermal fibroblasts using a Bio 3D Printer...
2017: PloS One
https://www.readbyqxmd.com/read/28189826/targeted-lipidomics-reveals-activation-of-resolution-pathways-in-knee-osteoarthritis-in-humans
#9
Hulda S Jónasdóttir, Hilde Brouwers, Joanneke C Kwekkeboom, Enrike M J van der Linden, Tom Huizinga, Margreet Kloppenburg, Rene E M Toes, Martin Giera, Andreea Ioan-Facsinay
OBJECTIVE: To investigate the presence of inflammation and resolution pathways in osteoarthritis (OA). DESIGN: Tissues were obtained from knee OA patients and control rheumatoid arthritis (RA) patients. Cells in synovial fluid (SF) were visualized by flow cytometry. Cytokines and chemokines were measured by multiplex assay. Lipid mediators (LMs) were determined by targeted lipidomics using liquid-chromatography mass spectrometry. RESULTS: SF of OA patients contained less cells, especially neutrophils, less cytokines and comparable levels of chemokines compared to RA controls...
February 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28189095/effects-of-toe-out-and-toe-in-gait-with-varying-walking-speeds-on-knee-joint-mechanics-and-lower-limb-energetics
#10
Soobia Saad Khan, Saad Jawaid Khan, Juliana Usman
Toe-out/-in gait has been prescribed in reducing knee joint load to medial knee osteoarthritis patients. This study focused on the effects of toe-out/-in at different walking speeds on first peak knee adduction moment (fKAM), second peak KAM (sKAM), knee adduction angular impulse (KAAI), net mechanical work by lower limb as well as joint-level contribution to the total limb work during level walking. Gait analysis of 20 healthy young adults was done walking at pre-defined normal (1.18m/s), slow (0.85m/s) and fast (1...
January 27, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28188084/biomechanical-evaluation-of-knee-endpoint-during-anterior-tibial-loading-implication-for-physical-exams
#11
Ata A Rahnemai-Azar, Fabio V Arilla, Kevin M Bell, Freddie H Fu, Volker Musahl, Richard E Debski
BACKGROUND: Physical exams that apply anterior tibial loads are typically used to evaluate knees with anterior cruciate ligament (ACL) injuries. The amount of anterior tibial translation that occurs during these exams can be difficult to assess due to a "soft" endpoint. Therefore, the objective of this study is to determine the biomechanical characteristics of the endpoint for the intact and ACL deficient knee using quantitative criteria. METHODS: Eight porcine knees were tested using a robotic testing system...
February 7, 2017: Knee
https://www.readbyqxmd.com/read/28186914/design-and-validation-of-a-biofeedback-device-to-improve-heel-to-toe-gait-in-seniors
#12
Abhishek Vadnerkar, Sabrina Figueiredo, Nancy Mayo, Robert Kearney
A feature of healthy human walking gait is a clearly defined heel-strike at initial contact, known as heel-to-toe gait. However, a common consequence of ageing is the deterioration of this heel first gait towards a flat foot, or 'shuffling' gait. This leads to a shortened stride length, slowed gait speed, and an increased fall risk. Shuffling gait is normally treated by physiotherapy, however, therapist time is limited and training is restricted to a clinical environment. Gait rehabilitation could be expedited with the use of a device that distinguishes between heel-to-toe and shuffling gait and gives feedback to the user...
February 7, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28182859/radiographic-study-of-pes-planovarus
#13
Janic Aebi, Monika Horisberger, Arno Frigg
BACKGROUND: Depending on the direction of the subtalar joint, a foot deformity generally tends towards pronation (pes planovalgus) or supination (pes cavovarus). However, the combination of hindfoot varus and flat midfoot/forefoot (pes planovarus) is an exception to this rule. Pes planovarus has so far only been referred to in connection with Müller-Weiss disease and congenital disease. We diagnosed pes planovarus in otherwise healthy patients without these diseases. METHODS: Forty patients with 54 symptomatic feet who were treated between August 2012 and July 2016 were included (mean age, 44...
February 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28178151/reconstruction-of-large-area-defect-of-the-nail-bed-by-cross-finger-fascial-flap-combined-with-split-thickness-toe-nail-bed-graft-a-new-surgical-method
#14
Jianyun Yang, Tao Wang, Cong Yu, Yudong Gu, Xiaotian Jia
Fingertip injury commonly results in avulsion of the nail bed. For large area defects of the nail bed with distal phalanx exposure, methods for reconstruction of soft tissue defects are scarcely mentioned in the literature.From May 2014 to January 2016, 6 patients with large area defects of the nail bed with distal phalanx exposure were enrolled. A new surgical method, cross finger fascial flap combined with thin split-thickness toe nail bed graft, was applied in all patients.All the 6 patients were followed-up at least 3 months...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28176598/intraosseous-epidermoid-cyst-of-the-distal-phalanx-reconstructed-with-synthetic-bone-graft
#15
Hiromi Sasaki, Satoshi Nagano, Hirofumi Shimada, Takayuki Nakashima, Masahiro Yokouchi, Yasuhiro Ishidou, Takao Setoguchi, Setsuro Komiya
Intraosseous epidermoid cysts are exceedingly rare. Known as pseudotumors, not true neoplasms, intraosseous epidermoid cysts usually involve the phalanges, the skull, and the toes. Intraosseous epidermoid cysts typically present as destructive osteolytic lesions on X-ray, mimicking malignant bone tumors. Here, we present two cases of an intraosseous epidermoid cyst in the distal phalanx treated with curettage and synthetic bone graft, followed by a review of the relevant literature. In both cases, the patient presented with a painful enlargement of the fingertip following a minor trauma...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28173989/analysis-of-the-factors-that-correlate-with-increased-knee-adduction-moment-during-gait-in-the-early-postoperative-period-following-total-knee-arthroplasty
#16
Takeo Nagura, Yasuo Niki, Kengo Harato, Takeshi Mochizuki, Yoshimori Kiriyama
BACKGROUND: Analysis of dynamic knee loading during gait is essential to prevent mechanical failures following total knee arthroplasty. External knee adduction moment during gait is the primary factor producing medial joint reaction force, and an increase in the moment is directly related to an increase in the medial compartment load on the knee. METHODS: Knee adduction moment during gait in 39 knees of 32 female patients following a posterior stabilized knee replacement with a single surgeon was evaluated at 1...
February 4, 2017: Knee
https://www.readbyqxmd.com/read/28171786/a-comparison-of-gluteus-medius-gluteus-minimus-and-tensor-facia-latae-muscle-activation-during-gait-in-post-menopausal-women-with-and-without-greater-trochanteric-pain-syndrome
#17
Charlotte Ganderton, Tania Pizzari, Tanya Harle, Jill Cook, Adam Semciw
The effect of greater trochanteric pain syndrome (GTPS) on gluteus medius (GMed) and minimus (GMin) activation in post-menopausal women is unknown. The aim of this study was to compare segmental muscle activation and variability of the GMed, GMin and tensor fascia latae (TFL) during gait in post-menopausal women with and without GTPS. Intramuscular electrodes were inserted into segments of GMin (x2) and GMed (x3) and a surface electrode placed on TFL. Ten control participants and 8 with GTPS completed six walking trials...
January 27, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28166940/a-10-day-confinement-to-normobaric-hypoxia-impairs-toe-but-not-finger-temperature-response-during-local-cold-stress
#18
Stylianos N Kounalakis, Michail E Keramidas, Mojca Amon, Ola Eiken, Igor B Mekjavic
The study examined the effects of a 10-day normobaric hypoxic confinement on the finger and toe temperature responses to local cooling. Eight male lowlanders underwent a normoxic (NC) and, in a separate occasion, a normobaric hypoxic confinement (HC; FO2: 0.154; simulated altitude ~3400m). Before and after each confinement, subjects immersed for 30min their right hand and, in a different session, their right foot in 8°C water, while breathing either room air (AIR) or a hypoxic gas mixture (HYPO). Throughout the cold-water immersion tests, thermal responses were monitored with thermocouples on fingers and toes...
February 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28166702/a-rare-case-of-unilateral-postaxial-duplicated-foot-in-a-developmentally-normal-child
#19
Haniza Sahdi, Chan Wai Hoong, Ahmad Hata Rasit, Fredy Arianto, Lau Kiew Siong, Nur Alyana Benjamin Abdullah
Diplopodia, being a rare congenital disorder, is infrequently discussed in published texts. Most reported cases have accounted the involvement of duplicated preaxial digits with other associated organ system and physical deformities. Here, we present an unusual case of isolated diplopodia involving postaxial toes in a child with no other organ and physical abnormalities. Radiological studies revealed a set of 10-digit-duplicated foot over the lateral aspect of the native foot, complete with phalanges and its corresponding metatarsals as well as tarsals, supplied by an anomalous posterior branch of the popliteal artery...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28166147/acrometastasis-of-neuroblastoma-to-the-great-toe-revealed-by-mibg-scan
#20
Kun Zheng, Hongming Zhuang
A 3-year-old boy with history of neuroblastoma underwent I-MIBG scan. The whole-body images showed relatively normal tracer distribution except for mild activity in the right foot, which was located in the first metatarsal on SPECT/CT images. The subsequent MRI scan of the right foot showed infiltration of the metatarsal of the right first toe. The findings were consistent with solitary acrometastasis of neuroblastoma to the great toe.
February 3, 2017: Clinical Nuclear Medicine
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