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Anterior tibialis

Konstantin Beinert, Volker Englert, Wolfgang Taube
PURPOSE: Neck muscle vibration immediately improves cervical joint position sense and dynamic postural control but increases pressure pain thresholds in neck pain patients. The aim of this study was to explore longer lasting effects of neck muscle vibration on sensorimotor control and pressure pain threshold. MATERIALS AND METHODS: Five series of neck muscle vibration were delivered to 15 neck pain patients and 11 healthy controls in this case control study. Outcomes were cervical joint position sense, arm-matching acuity, and pressure pain threshold at the zygapophyseal joint of C2/C3, the angulus superior, and the tibialis anterior muscle...
March 21, 2018: Disability and Rehabilitation
Jarred G Gillett, Glen A Lichtwark, Roslyn N Boyd, Lee A Barber
PURPOSE: To investigate the efficacy of a 12-week combined functional anaerobic and strength training program on neuromuscular properties and functional capacity in young adults with spastic-type CP. METHODS: 17 young adults (21±4 years, 9 males, GMFCS I=11, II=6) were randomized to 12 weeks, 3 sessions per week, of high intensity functional anaerobic and progressive resistance training of the lower limbs (n=8), or a waitlist control group (n=9). Pre- and post-training plantar flexor and tibialis anterior muscle volumes and composition, passive and active plantar flexor muscle properties, and functional capacity outcomes were assessed...
March 20, 2018: Medicine and Science in Sports and Exercise
Brent James Raiteri, Andrew Graham Cresswell, Glen Anthony Lichtwark
The factors that drive variable aponeurosis behaviors in active versus passive muscle may alter the longitudinal stiffness of the aponeurosis during contraction, which may change the fascicle strains for a given muscle force. However, it remains unknown whether these factors can drive variable aponeurosis behaviors across different muscle-tendon unit (MTU) lengths and influence the subsequent fascicle strains during contraction. Here, we used ultrasound and elastography techniques to examine in vivo muscle fascicle behavior and central aponeurosis deformations of human tibialis anterior (TA) during force-matched voluntary isometric dorsiflexion contractions at three MTU lengths...
March 19, 2018: Proceedings of the National Academy of Sciences of the United States of America
Richard S Mills, Heidi Sveistrup
The aims of this study were to (1) characterize anticipatory and reactive postural strategies in typically developing (TD) children and adolescents; (2) determine if TD youth shift from reactive to anticipatory mechanisms based on knowledge of platform movement; and (3) determine whether TD youth further modify postural strategies when additional information about the perturbation is provided. Sixteen typically developing youth aged 7-17 years stood with eyes open on a movable platform that progressively translated anteroposteriorly (20 cm peak-to-peak) through four speeds (0...
March 17, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
Luis Velázquez-Pérez, Roberto Rodríguez-Labrada, Reidenis Torres-Vega, Ricardo Ortega-Sánchez, Jacqueline Medrano-Montero, Rigoberto González-Piña, Yaimeé Vázquez-Mojena, Georg Auburger, Ulf Ziemann
OBJECTIVE: Corticospinal tract (CST) dysfunction is common in the pre-ataxic stage of spinocerebellar ataxia type 2 (SCA2) but quantitative assessment of its progression over time has not been explored. The aim of this study was to quantify the progression of CST dysfunction in pre-ataxic SCA2 using transcranial magnetic stimulation (TMS). METHODS: Thirty-three pre-ataxic SCA2 mutation carriers and a 33 age- and gender-matched healthy controls were tested at baseline and 2-years follow-up by standardized clinical exams, validated clinical scales, and TMS...
March 15, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
Jin Young Kim
[Purpose] The purpose of this study was to investigate the effect of differing insole height on the electromyographic (EMG) activity and muscle fatigue in tibialis anterior and gastrocnemius a lot of repeat college students from the desk during a sit to stand activity. [Subjects and Methods] For the 30 subjects males, let them wear insole in order. Using EMG equipment measured the difference in muscle vitality and muscle fatigue degree. All subjects were measured for 3 seconds in standing up from the chair...
February 2018: Journal of Physical Therapy Science
Naoki Ohno, Tosiaki Miyati, Shuto Suzuki, Hirohito Kan, Toshitaka Aoki, Yoshitaka Nakamura, Yuki Hiramatsu, Satoshi Kobayashi, Toshifumi Gabata
PURPOSE: To suppress olefinic signals and enable simultaneous and quantitative estimation of multiple functional parameters associated with water and lipid, we investigated a modified method using chemical shift displacement and recovery-based separation of lipid tissue (SPLIT) involving acquisitions with different inversion times (TIs), echo times (TEs), and b-values. MATERIALS AND METHODS: Single-shot diffusion echo-planar imaging (SSD-EPI) with multiple b-values (0-3000 s/mm2 ) was performed without fat suppression to separate water and lipid images using the chemical shift displacement of lipid signals in the phase-encoding direction...
March 12, 2018: Magnetic Resonance Imaging
Sophie Kobuch, Azharuddin Fazalbhoy, Rachael Brown, Vaughan G Macefield, Luke A Henderson
Introduction: Long-lasting experimental muscle pain elicits divergent muscle sympathetic responses, with some individuals exhibiting a persistent increase in muscle sympathetic nerve activity (MSNA), and others a decrease. These divergent responses are thought to result from sustained functional changes in specific brain regions that modulate the cardiovascular responses to pain. Aim: The aim of this study was to investigate brain regions that are functionally coupled to the generation of an MSNA burst at rest and to determine their behavior during tonic muscle pain...
March 2018: Brain and Behavior
JongEun Yim, Jerrold Petrofsky, Haneul Lee
Ankle and foot injuries are common among athletes and physically active individuals. The most common residual disability, ankle sprain, is characterized by instability along with postural sway. If the supporting structures around a joint become lax, posture stability and balance are also affected. Previous studies have examined muscle stiffness and elasticity and postural sway separately; however, the relationship between these factors is yet unknown. It is well known that the levels of sex hormones, especially estrogen, change in women over the phase of the menstrual cycle...
2018: Tohoku Journal of Experimental Medicine
Kimiya Fujio, Hiroki Obata, Taku Kitamura, Noritaka Kawashima, Kimitaka Nakazawa
Recent studies demonstrated that the corticospinal pathway is one of the key nodes for the feedback control of human standing and that the excitability is flexibly changed according to the current state of posture. However, it has been unclear whether this pathway is also involved in a predictive control of human standing. Here, we investigated whether the corticospinal excitability of the soleus (SOL) and tibialis anterior (TA) muscles during standing would be modulated anticipatorily when perturbation was impending...
2018: Frontiers in Human Neuroscience
Mirco Floreani, Enrico Rejc, Paolo Taboga, Alessandro Ganzini, Rado Pišot, Bostjan Šimunič, Gianni Biolo, Carlo Reggiani, Angelina Passaro, Marco Narici, Joern Rittweger, Pietro Enrico di Prampero, Stefano Lazzer
In this study, we investigated: i) the effects of bed rest and a subsequent physical training program on metabolic cost (Cw), mechanical work and efficiency during walking in older and young men; ii) the mechanisms underlying the higher Cw observed in older than young men.Twenty-three healthy male subjects (N = 16 older adults, age 59.6±3.4 years; N = 7 young, age: 23.1±2.9 years) participated in this study. The subjects underwent 14 days of bed rest followed by two weeks of physical training (6 sessions)...
2018: PloS One
Ji-Hyun Lee, Hyo-Jung Jeong, Heon-Seock Cynn, Tae-Woo Kang
BACKGROUND AND OBJECTIVES: Normal dorsiflexion (DF) required for normal gait is achieved through balance of the tibialis anterior (TA) and extensor hallucis longus (EHL). Imbalance may induce ankle and foot deformities and exacerbate pathology. EHL dominance is associated with progressive TA weakness, attributable to muscle non-use. When the EHL dominantly dorsiflexes the ankle, the big toe extends at the metatarsophalangeal joint (MTPJ) and pure ankle DF is absent. The effects of active MTPJ flexion on TA and EHL muscles, TA/EHL ratio, and the force applied during active DF in EHL-dominant (EHL-D) and EHL-non-dominant (EHL-ND) subjects were compared...
March 2, 2018: Journal of Back and Musculoskeletal Rehabilitation
Sydney C Karnovsky, Bridget Desandis, Andrea K Papson, Quinn O'Malley, Robert DiGiacomo, Martin J O'Malley, Taylor N Cabe, Mark C Drakos
BACKGROUND: Tibialis anterior tendon ruptures are rare and can cause significant dysfunction. Often, conservative measures are prescribed because of the morbidity of a tendon transfer as an operative solution. We present a novel reconstruction technique using hamstring autograft, which may obviate the need for local tendon transfer and long-term bracing. METHODS: Patients who underwent tibialis anterior reconstruction with hamstring autograft between 2011 and 2015 were screened for inclusion...
March 1, 2018: Foot & Ankle International
J M Gómez-Canedo
Tibialis anterior tendon rupture is a relatively rare injury, with diverse etiologies, that can cause significant deficits in the functionality of the ankle. These injuries are sometimes diagnosed too late, being in many occasions the alteration in walking the symptom that makes the patient go to the doctor. The six weeks will mark the limit between acute and chronic injury, requiring different therapeutic approaches, along with other parameters such as age, functional demand or concomitant pathologies. OBJECTIVE: To present two cases of acute rupture, with different etiology, the surgical technique used and the final results...
September 2017: Acta Ortopédica Mexicana
Sung Ho Jang, Younghyeon Kwon
RATIONALE: A 45-year-old right-handed female patient suffered head trauma after being hit by a truck that ran into a house. PATIENT CONCERNS: The patient lost consciousness for 1 hour and experienced posttraumatic amnesia for 1 month after the accident. DIAGNOSES: She underwent conservative management for a subdural hematoma in the left frontotemporal lobes and intracerebral hematoma in the left frontal lobe. INTERVENTIONS: The patient's Glasgow Coma Scale score was 11...
March 2018: Medicine (Baltimore)
Se-Yeon Park, Du-Jin Park
The purpose of this study was to investigate changes of gait pattern, muscle activity, and perceived comfort in response to variations of height-elevating insoles (HEIs) in young adults. The subjects of this study were 30 young adults who voluntarily consented to participate in this experiment after listening to its purpose and method. They were divided into 3 groups who wore HEIs height (0, 3, and 7 cm). Each group consisted of 10 young adults and wore the HEIs for 4 hr a day. Electromyographic signals were collected from the tibialis anterior, the gastrocnemius, the hamstring, and the right and the left erector spinae (ES) before and after walking with the HEI...
February 2018: Journal of Exercise Rehabilitation
Hyuek Jong Lee
White adipose tissue (WAT) expansion is associated with angiogenesis. Although, activation of lipolysis by exercise induces adipocyte hypotrophy and reduction of fat mass, it is poorly understood whether exercise regulates angiogenesis by altering angiogenic gene expression in WAT. Therefore, the purpose of this study was to evaluate the effect of 6 weeks voluntary wheel running exercise on angiogenic gene expression in adipose tissues. Male C57BL/6J mice performed voluntary wheel running for 6 weeks. At 24 hr after the last exercise training, tibialis anterior (TA), soleus (Sol), epididymal WAT (eWAT), inguinal WAT (iWAT), and brown adipose tissue (BAT) were isolated and then the expressions of vascular endothelial growth factor A (VEGFA), angiopoietin1 (Ang1), Ang2, platelet-derived growth factor B (PDGF-B) and their corresponding receptors were analyzed by reverse transcription-polymerase chain reaction...
February 2018: Journal of Exercise Rehabilitation
Valentina Mazzoli, Lukas M Gottwald, Eva S Peper, Martijn Froeling, Bram F Coolen, Nico Verdonschot, Andre M Sprengers, Pim van Ooij, Gustav J Strijkers, Aart J Nederveen
PURPOSE: 3D time-resolved (4D) phase contrast MRI can be used to study muscle contraction. However, 3D coverage with sufficient spatiotemporal resolution can only be achieved by interleaved acquisitions during many repetitions of the motion task, resulting in long scan times. The aim of this study was to develop a compressed sensing accelerated 4D phase contrast MRI technique for quantification of velocities and strain rate of the muscles in the lower leg during active plantarflexion/dorsiflexion...
March 5, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
Michael R Riley, Adam T Doan, Richard W Vogel, Alexander O Aguirre, Kayla S Pieri, Edward H Scheid
Background Context Intraoperative neurophysiological monitoring (IONM) has gained rather wide-spread acceptance as a method to mitigate risk to the lumbar plexus during Lateral Lumbar Interbody Fusion (LLIF) surgery. The most common approach to IONM involves using only electromyography (EMG) monitoring, and the rate of postoperative deficit remains unacceptably high. Other test modalities, such as transcranial electric motor-evoked potentials (tcMEPs) and somatosensory-evoked potentials (SSEPs), may be more suitable for monitoring neural integrity but they have not been widely adopted during LLIF...
March 2, 2018: Spine Journal: Official Journal of the North American Spine Society
Christian A Mista, Sonia Monterde, Montserrat Inglés, Isabel Salvat, Thomas Graven-Nielsen
INTRODUCTION: Reorganised force control may be an important adaptation following painful traumas. In this study, force control adaptations were assessed in elbow pain patients. Increasing the contraction demand may overcome pain interference on the motor control and as such act as an internal control. It was hypothesized that elbow pain patients compared with control subjects would present greater change in the direction of force when increasing the demand of the motor task. METHODS: Elbow pain patients (n=19) and healthy subjects (n=21) performed isometric wrist extensions at 5-70% of maximum voluntary contraction...
March 2, 2018: Clinical Journal of Pain
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