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https://www.readbyqxmd.com/read/29154264/the-effect-of-a-single-massage-based-on-the-tensegrity-principle-on-postural-stability-in-young-women
#1
Błażej Cieślik, Ireneusz Podsiadły, Michał Kuczyński, Bożena Ostrowska
OBJECTIVE: The aim of this study was to investigate the effects of normalized muscle tension via tensegrity-based massage on postural stability in a sample of female young adults. METHODS: Nineteen females aged 21.8 ± 1.9 years were recruited presenting abnormal tension at muscles adhering to any of the following structural sites: superior iliac spine, lateral sacropelvic surface, linea aspera at 1/2 of femur length, and superior nuchal line of the occiput. Balance and postural control were assessed during bipedal stance using a force platform in multiple conditions: hard surface or soft foam surface with the head in either a neutral posture or tilted backward...
November 6, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29145687/foot-strike-patterns-differ-between-children-and-adolescents-growing-up-barefoot-vs-shod
#2
Karsten Hollander, Johanna Elsabe de Villiers, Ranel Venter, Susanne Sehner, Karl Wegscheider, Klaus-Michael Braumann, Astrid Zech
Effects of early and permanent footwear use are not well understood. The aim of this study was to investigate the effects of habituation to footwear on foot strike patterns of children and adolescents. Healthy habitually barefoot and shod participants (aged 6-18 years) from South Africa (n=288) and Germany (n=390) performed multiple 20-m jogging and running trials with and without shoes. Each foot strike was captured using a high-speed camera to determine a rearfoot or non-rearfoot strike. The probability of a rearfoot strike in both cohorts and each age was analyzed by using a mixed-effects logistic regression adjusted for possible confounders...
November 16, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29139576/effects-of-lateral-offset-sole-shoes-on-knee-adduction-moment-in-women-with-medial-compartment-knee-osteoarthritis
#3
Woo Young Jang, Hae Woon Jung, Gi Won Choi, Hyun Min Lee, Hae Soo Park, Soon Hyuck Lee
This study aimed to determine the impact of wearing a lateral-offset sole shoe (LOSS) on knee adduction moment (KAM) in patients with medial knee osteoarthritis (OA). From December 2012 to November 2016, patients with medial knee OA were recruited. Ninety-three knees (50 left, 43 right) of 93 female patients were analyzed. The first peak KAMs were measured with patients 1) walking barefoot, 2) walking in conventional shoes, and 3) walking in LOSSs. The patients had grade 1 (n=19), grade 2 (n=49), grade 3 (n=20), and grade 4 (n=5) knee OA...
November 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29135646/foot-structure-and-function-in-habitually-barefoot-and-shod-adolescents-in-kenya
#4
Herje Aibast, Paul Okutoyi, Timothy Sigei, Walter Adero, Danny Chemjor, Neford Ongaro, Noriyuki Fuku, Kenn Konstabel, Carol Clark, Daniel E Lieberman, Yannis Pitsiladis
Habitually barefoot (HB) children from the Kalenjin tribe of Kenya are known for their high physical activity levels. To date, there has been no comprehensive assessment of foot structure and function in these highly active and HB children/adolescents and link with overuse injuries. PURPOSE: The aim of this research is to assess foot structure, foot function, injury and physical activity levels in Kenyan children and adolescents who are HB compared with those who were habitually shod (HS)...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29133920/energy-neutral-the-human-foot-and-ankle-subsections-combine-to-produce-near-zero-net-mechanical-work-during-walking
#5
Kota Z Takahashi, Kate Worster, Dustin A Bruening
The human foot and ankle system is equipped with structures that can produce mechanical work through elastic (e.g., Achilles tendon, plantar fascia) or viscoelastic (e.g., heel pad) mechanisms, or by active muscle contractions. Yet, quantifying the work distribution among various subsections of the foot and ankle can be difficult, in large part due to a lack of objective methods for partitioning the forces acting underneath the stance foot. In this study, we deconstructed the mechanical work production during barefoot walking in a segment-by-segment manner (hallux, forefoot, hindfoot, and shank)...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121509/modifications-in-lower-leg-muscle-activation-when-walking-barefoot-or-in-minimalist-shoes-across-different-age-groups
#6
Simon Franklin, François-Xavier Li, Michael J Grey
Ageing is associated with a decline in muscle strength and impaired sensory mechanisms which contribute to an increased risk of falls. Walking barefooted has been suggested to promote increased muscle strength and improved proprioceptive sensibility through better activation of foot and ankle musculature. Minimalist footwear has been marketed as a method of reaping the suggested benefits of barefoot walking whilst still providing a protective surface. The aim of this study was to investigate if walking barefoot or in minimalist footwear provokes increased muscle activation compared to walking in conventional footwear...
October 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29103274/status-and-risk-factors-of-strongyloides-stercoralis-infection-in-rural-communities-of-xayaburi-province-lao-pdr
#7
Phasouk Senephansiri, Porntip Laummaunwai, Sakorn Laymanivong, Thidarut Boonmar
The present study was performed to reveal the current status and risk factors of Strongyloides stercoralis infections in the villages of Kenethao district, Xayaburi Province, Lao PDR. Fecal specimens were collected and examined for S. stercoralis using Koga-agar plate culture technique. Among 516 individuals, the prevalence of S. stercoralis and hookworm infection was 44.2% and 17.1%, respectively. Co-infection was detected in 13.2% of the cases. The prevalence did not significantly differ between males and females (P=0...
October 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/29093068/efficacy-and-safety-of-abobotulinumtoxina-in-spastic-lower-limb-randomized-trial-and-extension
#8
Jean-Michel Gracies, Alberto Esquenazi, Allison Brashear, Marta Banach, Serdar Kocer, Robert Jech, Svetlana Khatkova, Ján Benetin, Michele Vecchio, Peter McAllister, Jan Ilkowski, Stanislaw Ochudlo, France Catus, Anne Sophie Grandoulier, Claire Vilain, Philippe Picaut
OBJECTIVE: To demonstrate single abobotulinumtoxinA injection efficacy in lower limb vs placebo for adults with chronic hemiparesis and assess long-term safety and efficacy of repeated injections. METHODS: In a multicenter, double-blind, randomized, placebo-controlled, single-cycle study followed by a 1-year open-label, multiple-cycle extension, adults ≥6 months after stroke/brain injury received one lower limb injection (abobotulinumtoxinA 1,000 U, abobotulinumtoxinA 1,500 U, placebo) followed by ≤4 open-label cycles (1,000, 1,500 U) at ≥12-week intervals...
November 1, 2017: Neurology
https://www.readbyqxmd.com/read/29083960/slip-safety-risk-analysis-of-surface-properties-using-the-coefficients-of-friction-of-rocks
#9
Gencay Sarıışık, Gültekin Çoşkun, Ali Sarıışık
This study was conducted to determine the most appropriate surface processing techniques (SPT), environmental conditions (EC), and surface roughness (SR) to minimize the risk of slipping while pedestrians walk on the floor covering of rocks in barefoot and with shoes. Coefficients of friction (COF) and values of SR were found by using five different types of rocks, four SPT and two (ramp and pendulum) tests. Results indicate that the parameters that affect the COF values of rocks include SR, EC, and SPT. Simple linear regression was performed to examine the relationship between the values of the COF and the SR...
October 30, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29065630/influence-of-gait-speeds-on-contact-forces-of-lower-limbs
#10
Xin Wang, Yue Ma, Bo Yi Hou, Wing-Kai Lam
While walking with fast speed aims to promote health and fitness of individuals, the potential risk on lower limb joint loading across walking speed is still unknown. In order to determine the joint contact force loading associated with different walking speeds, fifteen young male and fifteen female participants performed barefoot walking across different speeds (regular = 1.1 m/s, medium = 1.4 m/s, and fast = 1.7 m/s). The synchronized motion and ground reaction force (GRF) data were captured by Codamotion capture system and AMTI force platform...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29037645/postural-insoles-on-gait-in-children-with-cerebral-palsy-randomized-controlled-double-blind-clinical-trial
#11
Hugo Pasin Neto, Luanda André Collange Grecco, Luis Alfredo Braun Ferreira, Natália Almeida Carvalho Duarte, Manuela Galli, Claudia Santos Oliveira
The aim of the present study was to assess the effect of postural insoles on gait performance in children with Cerebral Palsy (CP). Twenty four children between four and 12 years of age were randomly allocated either the control group (n = 12) or experimental group (n = 12). The control group used placebo insoles and the experimental group used postural insoles. Three-dimensional gait analysis was performed under three conditions: barefoot, in shoes and in shoes with insoles. Three evaluations were carried out: 1)immediately following placement of the insoles; 2)after three months of insole use; and 3)one month after suspending insole use...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29037642/rebound-boots-change-lower-limb-muscle-activation-and-kinematics-during-different-fitness-exercises
#12
Mateus Rossato, Rodolfo André Dellagrana, Juliane Cristine Lopes Dos Santos, Felipe P Carpes, Rodrigo Ghedini Gheller, De Angelys de Ceselles Seixas da Silva, Ewertton de Souza Bezerra, João Otacílio Libardoni Dos Santos
The purpose of this study was to evaluate electromyography and kinematic parameters of the lower limbs using rebound boots (RB) and barefoot during a gym workout. This information can be helpful to practitioners to schedule rehabilitation and training programs. Ten women (25 ± 9 years) volunteered for the study; inclusion criteria were as follows: subjects must have experienced the use of RB and the analyzed exercises for at least 6 months, and have no previous injuries in the lower limbs. Seven exercises were performed for 30 s with the RB and subsequently barefoot...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29025508/discrepancy-in-motivation-for-weight-loss-and-exercise-in-rural-patients
#13
Jacob C Warren, K Bryant Smalley, K Nikki Barefoot
OBJECTIVES: We explored the extent to which discrepancy between motivation for weight loss and exercise is related to obesity among rural patients with chronic disease, and identified the psychosocial correlates of this discrepancy. METHODS: 497 patients with diabetes and/or hypertension were recruited from a network of Federally Qualified Health Centers in the rural South and completed a battery of assessments. RESULTS: Most persons in the sample (83...
November 1, 2017: American Journal of Health Behavior
https://www.readbyqxmd.com/read/29023328/strength-and-conditioning-habits-of-competitive-distance-runners
#14
Richard C Blagrove, Nicola Brown, Glyn Howatson, Philip R Hayes
Blagrove, RC, Brown, N, Howatson, G, and Hayes, PR. Strength and conditioning habits of competitive distance runners. J Strength Cond Res XX(X): 000-000, 2017-Targeted strength and conditioning (S&C) programs can potentially improve performance and reduce injury risk factors in competitive runners. However, S&C practices of distance runners are unknown. This study aimed to explore S&C practices of competitive middle- and long-distance runners and examined whether reported frequency of injuries was influenced by training behaviors...
October 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29021827/coordination-among-the-rearfoot-midfoot-and-forefoot-during-walking
#15
Tomoya Takabayashi, Mutsuaki Edama, Emi Nakamura, Erika Yokoyama, Chiaki Kanaya, Masayoshi Kubo
BACKGROUND: Examining coordination between segments is essential for prevention and treatment of injuries. However, traditional methods such as ratio, cross-correlation technique, and angle-time plot may not provide a complete understanding of intersegmental coordination. The present study aimed to quantify the coordination among the rearfoot, midfoot, and forefoot segments during walking. METHODS: Twenty healthy young men walked barefoot on a treadmill. Reflective markers were fixed to their right shank and foot based on the Leardini foot model...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29020659/3d-gait-analysis-with-and-without-an-orthopedic-walking-boot
#16
H Gulgin, K Hall, A Luzadre, E Kayfish
INTRODUCTION: Orthopedic walking boots have been widely used in place of traditional fiberglass casts for a variety of orthopedic injuries and post-surgical interventions. These walking boots create a leg length discrepancy (LLD). LLD has been shown to alter the kinematics and kinetics of gait and are associated with lumbar and lower limb conditions such as: foot over pronation, low back pain, scoliosis, and osteoarthritis of the hip and knee joints. Past gait analyses research with orthopedic boots is limited to findings on the ipsilateral limb...
January 2018: Gait & Posture
https://www.readbyqxmd.com/read/29016477/shod-versus-barefoot-effects-on-force-and-power-development-during-a-conventional-deadlift
#17
Mark E Hammer, Rudi A Meir, John W Whitting, Zachary J Crowley-McHattan
The kinetics of a conventional deadlift in shod (S) versus unshod (US) footwear conditions in 10 male participants (mean ± SD, age = 27.0 ± 5.8 years; weight = 78.7 ± 11.5 kg; height = 175.8 ± 8.2 cm; 1RM deadlift = 155.8 ± 25.8 kg) was assessed in two testing sessions. A counterbalanced, crossover experimental design was used with different loads (60% and 80% 1RM). Four sets of four repetitions were prescribed per session with two sets per shoe and with each shoe condition involving one set per load. Peak vertical force (PF), rate of force development (RFD), time to peak force (TPF), anterior-posterior (COP-AP) and medio-lateral (COP-ML) center of pressure excursion, and barbell peak power (PP) data were recorded during all repetitions...
October 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28987766/nervous-system-excitability-and-joint-stiffness-following-short-term-dynamic-ankle-immobilization
#18
Alyssa M Stirling, Jeffrey M McBride, Edward K Merritt, Alan R Needle
Joint immobilization has been demonstrated to modify neural excitability in subsets of healthy populations, leading to disinhibition of cortical and reflexive pathways. However, these findings may have limited clinical application as most models have investigated casting and rigid immobilization, while many musculoskeletal injuries often utilize dynamic immobilization devices such as boot immobilizers and pneumatic splints that allow for modified ambulation. We therefore aimed to determine the short-term effects of ambulation in ankle immobilization devices on nervous system excitability and stiffness in able-bodied individuals...
September 23, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28964922/concurrent-validity-of-an-automated-algorithm-for-computing-the-center-of-pressure-excursion-index-cpei
#19
Michelle A Diaz, Mandi W Gibbons, Jinsup Song, Howard J Hillstrom, Kersti H Choe, Maria R Pasquale
Center of Pressure Excursion Index (CPEI), a parameter computed from the distribution of plantar pressures during stance phase of barefoot walking, has been used to assess dynamic foot function. The original custom program developed to calculate CPEI required the oversight of a user who could manually correct for certain exceptions to the computational rules. A new fully automatic program has been developed to calculate CPEI with an algorithm that accounts for these exceptions. The purpose of this paper is to compare resulting CPEI values computed by these two programs on plantar pressure data from both asymptomatic and pathologic subjects...
September 22, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28947161/spinal-loads-and-trunk-muscles-forces-during-level-walking-a-combined-in-vivo-and-in-silico-study-on-six-subjects
#20
Rizwan Arshad, Lorenza Angelini, Thomas Zander, Francesca Di Puccio, Marwan El-Rich, Hendrik Schmidt
During level walking, lumbar spine is subjected to cyclic movements and intricate loading of the spinal discs and trunk musculature. This study aimed to estimate the spinal loads (T12-S1) and trunk muscles forces during a complete gait cycle. Six men, 24-33years walk barefoot at self-selected speed (4-5km/h). 3D kinematics and ground reaction forces were recorded using a motion capturing system and two force plates, implemented in an inverse dynamic musculoskeletal model to predict the spinal loads and trunk muscles forces...
August 26, 2017: Journal of Biomechanics
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