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Pavinee Harutaichun, Praneet Pensri, Sujitra Boonyong
BACKGROUND: Plantar fasciitis is commonly found among the physically active population, including conscripts. Some studies have reported that being overweight and having psychological symptoms contribute to pain from plantar fasciitis. However, there is a lack of information regarding the physical predictors, and more research is needed to determine the relationship between such predictors and pain intensity from plantar fasciitis in conscripts. OBJECTIVE: To determine which physical and psychological variables act as predictors of pain intensity among Thai novice conscripts with plantar fasciitis...
March 11, 2019: Brazilian Journal of Physical Therapy
Laurent Frossard, Barry Leech, Mark Pitkin
OBJECTIVE: This study describes differentiating prosthetic feet designs fitted to bone-anchored transtibial prostheses based on an automated characterization of ankle stiffness profile relying on direct loading measurements. The objectives were (A) to present a process characterizing stiffness using innovative macro, meso and micro analyses, (B) to present stiffness profiles for feet with and without anthropomorphic designs, where anthropomorphicity is defined as a similarity of the moment-angle dependency in prosthetic and in the anatomical ankle, (C) to determine sensitivity of characterization...
March 13, 2019: IEEE Transactions on Bio-medical Engineering
Chantel L Rabusin, Hylton B Menz, Jodie A McClelland, Jade M Tan, Glen A Whittaker, Angela M Evans, Shannon E Munteanu
BACKGROUND: Heel lifts, placed inside footwear are recommended for the management of numerous musculoskeletal conditions. Despite the potential therapeutic benefit of heel lifts, the mechanism(s) by which they exert their effects is unclear. The aim of this systematic review was to synthesise reported findings and summarise the effects of heel lifts on lower limb biomechanics and muscle function. RESEARCH QUESTION: Do heel lifts affect lower limb biomechanics and muscle function during walking and running? METHODS: Electronic databases (MEDLINE, EMBASE, CINAHL, SPORTDiscus, AMED) were searched from inception to April 2018...
January 15, 2019: Gait & Posture
J J Hannigan, Christine D Pollard
BACKGROUND: A recent study suggested that maximal running shoes may increase the impact force and loading rate of the vertical ground-reaction force during running. It is currently unknown whether runners will adapt to decrease the impact force and loading rate over time. PURPOSE: To compare the vertical ground-reaction force and ankle kinematics between maximal and traditional shoes before and after a 6-week acclimation period to the maximal shoe. STUDY DESIGN: Controlled laboratory study...
March 2019: American Journal of Sports Medicine
Cameron J Powden, Robert A Vallandingham, Stacey L Gaven
OBJECTIVE: To conduct a systematic review with meta-analysis assessing the effectiveness of joint mobilizations for improving dorsiflexion range of motion (DFROM) and dynamic postural control in individuals with chronic ankle instability. DATA SOURCES: Electronic databases (PubMed, MEDLINE, CINAHL, and SPORTDiscus) were searched from inception to January 2017. STUDY SELECTION: Included studies examined the isolated effects of joint mobilizations to enhance DFROM and dynamic postural control in individuals with chronic ankle instability and provided adequate data to calculate effect sizes (ESs) and 95% confidence intervals (CIs)...
March 14, 2019: Journal of Athletic Training
Myung Chul Yoo, Bi O Jeong, Jungtae Ahn
INTRODUCTION: Haemophilic ankle arthropathy may cause joint bleeding, pain, stiffness, erosion and progressive motion limitations, including a decreased range of motion (ROM) secondary to anterior osteophyte impingement. AIM: The purpose of this study was to investigate changes in the ROM and symptoms after synovectomy and anterior osteophyte resection for haemophilic ankle arthropathy. METHODS: We retrospectively reviewed 41 ankles in 35 patients with haemophilic arthropathy who underwent arthroscopic and/or open synovectomy...
March 13, 2019: Haemophilia: the Official Journal of the World Federation of Hemophilia
Mark Vlutters, Edwin H F van Asseldonk, Herman van der Kooij
The ankle joint muscles can contribute to balance during walking by modulating the center of pressure and ground reaction forces through an ankle moment. This is especially effective in the sagittal plane through ankle plantar- or dorsiflexion. If the ankle joints would be physically blocked to make an ankle strategy ineffective, there would be no functional contribution of these muscles to balance during walking, nor would these muscles generate afferent output regarding ankle joint rotation. Consequently, ankle muscle activation for the purpose of balance control would be expected to disappear...
March 13, 2019: Journal of Neurophysiology
Chloe E Taylor, Daniel Boulton, Erin Howden, Christoph Siebenmann, Vaughan G Macefield
We have previously shown that the increase in muscle sympathetic nerve activity (MSNA) to contracting muscle during sustained isometric exercise is due primarily to central command, and that contracting muscle does not express a metaboreceptor-driven increase in MSNA. Here, we tested the hypothesis that MSNA increases to the contracting muscle also during rhythmic isotonic exercise, in which muscle metabolites will not accumulate because the contraction is performed without external load. MSNA was recorded from the common peroneal nerve in 10 participants and negative-going sympathetic spikes extracted during 50 cycles of sinusoidal (0...
March 13, 2019: Journal of Neurophysiology
William C Pederson, Luke Grome
Reconstruction of bony and soft tissue defects of the lower extremity has been revolutionized by the advent of microsurgical tissue transfer. There are numerous options for reconstruction. Possibilities include transfer of soft tissue, composite (bone and soft tissue) tissue, and functional muscle. Many lower extremity reconstructions require staged procedures. Planning is of paramount importance especially in regard to vascular access when multiple free flaps are required. Soft tissue reconstruction of the lower extremity may be accomplished with muscle flaps such as the rectus femoris and latissimus dorsi covered with a skin graft...
February 2019: Seminars in Plastic Surgery
Hyun-Ju Noh, Chan-Myeong Kim, Ji-Won Park
[Purpose] Although much researches have been conducted on the hippotherapy, the intervention methods of the previous studies focus on the pelvis posture. Thus, this study analyzed the electromyogram (EMG) of trunk muscle and lower limb muscle to analyze the kinetic factors. Based on the analysis, this study aims to compare the muscle load and suggest effective exercise method. [Participants and Methods] This study checked the muscle activity of Rectus abdominis (RA), Erector spinae (ES), Rectus femoris (RF), Adductor magnus (AM) during the exercise using horse riding machine in dorsiflexion position by bending 20 degrees and in neutral position...
February 2019: Journal of Physical Therapy Science
Marian G Alvarez-Perez, Mario A Garcia-Murillo, J Jesús Cervantes-Sánchez
AIM: The aim of this review paper is to summarize recent developments and research in robotics, relevant to the field of ankle rehabilitation, to overview new findings and determine the actual state of the art. METHOD: The literature search was performed using scientific and medical databases (Scopus, PubMed and Web of Science) and other websites related to robots used in the area of ankle rehabilitation, analysing studies from 1950s to present. Information about the mechanical and kinematic specifications, actuation and stage of development was extracted from the selected literature...
March 11, 2019: Disability and Rehabilitation. Assistive Technology
Andrew R Cuff, Monica A Daley, Krijn B Michel, Vivian R Allen, Luis Pardon Lamas, Chiara Adami, Paolo Monticelli, Ludo Pelligand, John R Hutchinson
Electromyography (EMG) is used to understand muscle activity patterns in animals. Understanding how much variation exists in muscle activity patterns in homologous muscles across animal clades during similar behaviours is important for evaluating the evolution of muscle functions and neuromuscular control. We compared muscle activity across a range of archosaurian species and appendicular muscles, including how these EMG patterns varied across ontogeny and phylogeny, to reconstruct the evolutionary history of archosaurian muscle activation during locomotion...
March 8, 2019: Journal of Morphology
Elisabete Martins, Rita Cordovil, Raul Oliveira, Joana Pinho, Ana Diniz, Joao R Vaz
This study analyzes the immediate effects of wearing a Therasuit on sagittal plane lower limb angular displacements during gait in children with unilateral spastic cerebral palsy (US-CP). Seven participants (median age = 7.00 years; ranging from 5.83 to 9.00 years) with US-CP, levels I and II of the Gross Motor Function Classification System, were assessed with kinematic gait analysis in three different conditions: (A) Baseline; (B) Therasuit without elastics and (C) Therasuit with elastics. Significant improvements were observed at the hip joint of both lower limbs during most of the gait cycle in participants wearing a Therasuit, including a decrease in the flexion pattern at the initial contact and swing phase in both lower limbs, and an increase in the extension pattern in the paretic lower limb during the stance phase...
2019: Frontiers in Pediatrics
Yoko Takahashi, Michiyuki Kawakami, Tomofumi Yamaguchi, Yusuke Idogawa, Shigeo Tanabe, Kunitsugu Kondo, Meigen Liu
Motor imagery (MI) combined with electrical stimulation (ES) enhances upper-limb corticospinal excitability. However, its after-effects on both lower limb corticospinal excitability and spinal reciprocal inhibition remain unknown. We aimed to investigate the effects of MI combined with peripheral nerve ES (MI + ES) on the plasticity of lower limb corticospinal excitability and spinal reciprocal inhibition. Seventeen healthy individuals performed the following three tasks on different days, in a random order: (1) MI alone; (2) ES alone; and (3) MI + ES...
2019: Frontiers in Neuroscience
Kanta Imao, Hitoshi Miwa, Kazutoshi Watanabe, Tsuyoshi Satoh, Atsuki Sano, Naoto Endo
PURPOSE: Rupture of the flexor pollicis longus (FPL) and index flexor digitorum profundus (FDP2) tendons often occurs after locking plate fixation for distal radius fracture. This study aimed to determine the shortest tendon-radius distances of different hand positions. METHODS: Fifty-nine hands of 30 healthy volunteers were studied. Distances between the FPL or FDP2 and distal radius were calculated in six wrist positions: 30° palmar flexion, neutral, 30° dorsiflexion, 60° dorsiflexion, maximum dorsiflexion, and 40° ulnar deviation with three finger positions (full extension and flexion of fingers, full flexion of the thumb or index finger, and full extension of the other four fingers)...
March 6, 2019: Journal of Medical Ultrasonics
Luiza Herminia Gallo, Elisângela Valevein Rodrigues, Jarbas Melo Filho, Jordana Barbosa da Silva, Michael O Harris-Love, Anna Raquel Silveira Gomes
OBJECTIVES: The aim of this study was to analyze the effects of virtual dance exercise on skeletal muscle architecture and function in community-dwelling older women. METHODS: Forty-two moderately active older women participated in this study and chose to join either the control group (CG; n=20; 70.3 ± 5.6 years) or exercise group (EG; n=22; 69.3 ± 3.7 years). Participants in the CG maintained their lifestyle and those in the EG performed group dance exercise using Dance Central game for Xbox 360® and Kinect for 40 min, 3 times/week, for 12 weeks...
March 1, 2019: Journal of Musculoskeletal & Neuronal Interactions
Louis P Howe, Theodoros M Bampouras, Jamie North, Mark Waldron
Limited evidence is available concerning ankle dorsiflexion range of motion (DF ROM) and its relationship with landing performance from varying drop heights. The aim of this investigation was to determine the relationship between ankle DF ROM and both kinetic and kinematic variables measured during bilateral drop-landings from 50%, 100% and 150% of countermovement jump height. Thirty-nine participants were measured for their ankle DF ROM using the weight-bearing lunge test, after which five bilateral drop-landings were performed from 50%, 100% and 150% of maximal countermovement jump height...
March 2, 2019: Human Movement Science
A Konrad, M M Reiner, S Thaller, M Tilp
The purpose of this study was to investigate the time course of the changes of muscle-tendon mechanical properties and the function responses of the plantar flexor muscles following 5 × 60 s of static stretching. Fourteen healthy volunteers were tested on four separate days in a random order with three different rest times (0, 5, 10 min) after 5 × 60 s of stretching or following a control period without stretching. During each test, the dorsiflexion range of motion (RoM), passive resistive torque (PRT), and maximum voluntary contraction (MVC) were measured with a dynamometer...
March 1, 2019: European Journal of Sport Science
J Chadwick Smith, Brandi R Washell, Mary Frances Aini, Sydney Brown, MacGregor C Hall
INTRODUCTION: Static stretching (SS) has been used for inducing acute and long-term increases in range of motion (ROM). Foam rolling (FR) has recently gained popularity for acutely increasing ROM. However, the long-term effects of FR on ROM have not been thoroughly evaluated. Therefore, the purpose of this study was to investigate the acute and long-term changes in dorsiflexion range of motion (ROM) as a result of six weeks of FR, SS, and FR followed by SS (FR + SS). METHODS: Participants (n = 44) were randomly assigned to FR, SS, and FR + SS groups...
February 23, 2019: Medicine and Science in Sports and Exercise
Joan Leung, Clayton King, Sarah Fereday
OBJECTIVE: To determine the effectiveness of a programme comprising serial casting, botulinum toxin, splinting and motor training in contracture management. DESIGN: A randomized trial with concealed allocation and assessor blinding, a deferred treatment cross-over design within the control group, was conducted. SETTING: Inpatient Brain Injury Unit of a rehabilitation centre. SUBJECTS: A total of 10 patients with severe acquired brain injury (13 ankles)...
February 27, 2019: Clinical Rehabilitation
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