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Mitchel R Stacy, Christopher M Caracciolo, Maolin Qiu, Prasanta Pal, Tyler Varga, Robert Todd Constable, Albert J Sinusas
Blood oxygen level-dependent (BOLD) magnetic resonance (MR) imaging permits noninvasive assessment of tissue oxygenation. We hypothesized that BOLD imaging would allow for regional evaluation of differences in skeletal muscle oxygenation between athletes and sedentary control subjects, and dynamic BOLD responses to ischemia (i.e., proximal cuff occlusion) and reactive hyperemia (i.e., rapid cuff deflation) would relate to lower extremity function, as assessed by jumping ability. College football athletes (linemen, defensive backs/wide receivers) were compared to sedentary healthy controls...
August 2016: Physiological Reports
Mark A Feger, Jay Hertel
BACKGROUND: Rehabilitation is ineffective at restoring normal gait in chronic ankle instability patients. Our purpose was to determine if a novel gait-training device could decrease plantar pressure on the lateral column of the foot in chronic ankle instability patients. METHODS: Ten chronic ankle instability patients completed 30s trials of baseline and gait-training walking at a self-selected pace while in-shoe plantar pressure and surface electromyography were recorded from their anterior tibialis, peroneus longus, medial gastrocnemius, and gluteus medius...
August 2016: Clinical Biomechanics
Marcelo Nascimento Rebelatto, Francisco Alburquerque-Sendín, João Flavio Guimarães, Tania Fatima Salvini
AIM: To establish whether there are differences in pain sensitivity between hypertensive and normotensive older adults. METHODS: A cross-sectional case control study was carried out. A total of 72 older adults, 36 normotensive and 36 hypertensive, participated in the study. The pressure pain threshold (PPT) was assessed on seven points bilaterally in both groups by means of pressure algometry. Two-factor analysis of variance (anova) - group and sex - was carried out, and the magnitude of the differences was calculated using Cohen's index...
June 15, 2016: Geriatrics & Gerontology International
Takeshi Satow, Tomotaka Kawase, Atsushi Kitamura, Yuki Kajitani, Takuya Yamaguchi, Nobuhiko Tanabe, Reiko Otoi, Taro Komuro, Akira Kobayashi, Hirokazu Nagata, Tatsuya Mima
BACKGROUND: Walking ability is important in stroke patients to maintain daily life. Nevertheless, its improvement is limited with conventional physical therapy in chronic stage. We report the case of a chronic stroke patient showing a remarkable improvement in gait function after a new neurorehabilitation protocol using transcranial direct current stimulation (tDCS) and neuromuscular electrical stimulation (NMES). CASE PRESENTATION: A 62-year-old male with left putaminal hemorrhage suffered from severe right hemiparesis...
January 2016: Case Reports in Neurology
Jorge Chahla, Marco Nitri, David Civitarese, Chase S Dean, Samuel G Moulton, Robert F LaPrade
The posterior cruciate ligament (PCL) is known to be the main posterior stabilizer of the knee. Anatomic single-bundle PCL reconstruction, focusing on reconstruction of the larger anterolateral bundle, is the most commonly performed procedure. Because of the residual posterior and rotational tibial instability after the single-bundle procedure and the inability to restore the normal knee kinematics, an anatomic double-bundle PCL reconstruction has been proposed in an effort to re-create the native PCL footprint more closely and to restore normal knee kinematics...
February 2016: Arthroscopy Techniques
Wei Sun, Cui Zhang, Qipeng Song, Weiping Li, Yan Cong, Shuwan Chang, Dewei Mao, Youlian Hong
This study assessed the effect of 1-year regular Tai Chi (TC) on neuromuscular reaction in elderly women. A total of 41 elderly women (55 years-68 years) completed the study. The TC group (n = 21) performed the 24-form TC, while the control group (C, n = 20) was instructed to read newspapers or watch television when the TC group practised. Electromyogram measurements were conducted before and after intervention. After a year-long intervention, the post-test results of between-group neuromuscular reaction time showed significant differences in the rectus femoris (t = 3...
April 2016: Research in Sports Medicine
Seyhan Yilmaz, Esra U Mermi, Ethem Zobaci, Eray Aksoy, Çınar Yastı
AIM: This pilot study aimed to reveal whether combination of electrostimulation with iloprost treatment achieves better results compared to iloprost alone in patients with critical limb ischemia. MATERIAL AND METHODS: Patients were randomized into Group 1 (n = 11, mean age: 65.3 ± 4.2 years, received iloprost infusion protocol alone) or Group 2 (n = 11, mean age: 62.9 ± 6.7, received iloprost infusion plus standardized protocol of peroneal nerve electrostimulation)...
May 6, 2016: Vascular
Masayuki Soma, Shin Murata, Yoshihiro Kai, Hideyuki Nakae, Yousuke Satou
[Purpose] The aim of this study was to investigate whether toe grip strength and muscle activities are affected by the ankle angle in the horizontal plane in the sitting upright and standing positions. [Subjects] The subjects were 16 healthy young women. [Methods] We measured toe grip strength and the maximum voluntary contraction activities of the rectus femoris, biceps femoris, anterior tibialis, and medial head of the gastrocnemius. In addition, we calculated the percent integrated electromyography during foot gripping in 3 different ankle joint positions between the long axis of the foot and the line of progression on the horizontal plane, namely 10° of internal rotation, 0°, and 10° of external rotation...
March 2016: Journal of Physical Therapy Science
Elena Samaila, Ingrid Bonetti, Costanza Bruno, Emanuele Argentini, Bruno Magnan
BACKGROUND AND AIM OF THE WORK: Flexible flatfoot is one of the most common deformities in pediatric orthopaedics. Arthroeresis procedures are designed to correct this deformity. Among them, calcaneo-stop is a procedure with both biomechanical and proprioceptive properties. There could be other surgical procedure combined, such as a percutaneous Achilles tendon lengthening and the Gould tibialis posterior retension or Young tibialis anterior navicular tenosuspension. This study analyzed the clinical and sonographic results of 36 patients following flexible flatfoot surgical treatment with a calcaneo-stop arthroeresis combined with Achilles lengthening and a Young procedure...
2016: Acta Bio-medica: Atenei Parmensis
Bo Pei, Chao Sun, Ruoyan Xue, Yuan Xue, Ying Zhao, Ya-qi Zong, Wei Lin, Pei Wang
OBJECTIVE: To describe a novel surgical strategy for circumferentially decompressing the T10 -L1 spinal canal when impinged upon by single level hard thoracic herniated disc (HTHD) via a modified costotransversectomy approach. METHODS: This is a retrospective review of 26 patients (17 men, 9 women; mean age at surgery 48.5 years, range 20-77 years) who had undergone single level HTHD between T10 -L1 by circumferential decompression via a modified costotransversectomy approach...
February 2016: Orthopaedic Surgery
Luke Donovan, Mark A Feger, Joseph M Hart, Susan Saliba, Joseph Park, Jay Hertel
Chronic ankle instability (CAI) patients have been shown to have increased lateral column plantar pressure throughout the stance phase of gait. To date, traditional CAI rehabilitation programs have been unable to alter gait. We developed an auditory biofeedback device that can be worn in shoes that elicits an audible cue when an excessive amount of pressure is applied to a sensor. This study determined whether using this device can decrease lateral plantar pressure in participants with CAI and alter surface electromyography (sEMG) amplitudes (anterior tibialis, peroneus longus, medial gastrocnemius, and gluteus medius)...
February 2016: Gait & Posture
William R Mook, David Civitarese, Travis Lee Turnbull, Nicholas I Kennedy, Luke O'Brien, Jarod B Schoeberl, Robert F LaPrade
PURPOSE: The purpose of this study was to determine the biomechanical effects of simulated immediate motion and weightbearing during rehabilitation on different double-bundle posterior cruciate ligament reconstruction (DB-PCLR) graft options. METHODS: Nine each of commercially prepared (allograft) Achilles tendon allografts, fresh-frozen (autograft) bone-patellar tendon-bone grafts, and fresh-frozen quadriceps tendon grafts were paired with commercially prepared anterior tibialis allografts, fresh-frozen semitendinosus grafts, and fresh-frozen semitendinosus grafts, respectively...
March 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Kwansub Lee, Chae-Woo Yi, Sangyong Lee
[Purpose] The purpose of the present study was to examine the effects of kinesiology taping therapy on degenerative knee arthritis patients' pain, function, and joint range of motion. [Subjects] To conduct the experiment in the present study, 30 patients with degenerative knee arthritis were divided into a control group (the conservative treatment group) of 15 patients, who received conservative physical therapy, and an experimental group (the kinesiology taping group) of 15 patients, who received kinesiology taping therapy...
January 2016: Journal of Physical Therapy Science
Suelen Meira GÓes, Joice Mara Facco Stefanello, Diogo Homann, AngÉlica Lodovico, Cheryl Lynne Hubley-Kozey, AndrÉ Luiz FÉlix Rodacki
: Fibromyalgia is a chronic pain condition associated with reduced muscle strength, which can lead to functional incapacity and higher risk of falls. PURPOSE: The study purpose was to compare maximal ankle joint torque, muscle activation and metabolic changes between women with and without fibromyalgia. Additionally, the relationship between those aspects and retrospectively reported falls in women with fibromyalgia were determined. METHODS: Twenty-nine middle-aged women with fibromyalgia and 30 controls were recruited...
March 1, 2016: Journal of Strength and Conditioning Research
Rachel M Koldenhoven, Mark A Feger, John J Fraser, Susan Saliba, Jay Hertel
PURPOSE: Lateral ankle sprains are common and can manifest into chronic ankle instability (CAI) resulting in altered gait mechanics that may lead to subsequent ankle sprains. Our purpose was to simultaneously analyse muscle activation patterns and plantar pressure distribution during walking in young adults with and without CAI. METHODS: Seventeen CAI and 17 healthy subjects walked on a treadmill at 4.8 km/h. Plantar pressure measures (pressure-time integral, peak pressure, time to peak pressure, contact area, contact time) of the entire foot and nine specific foot regions and medial-lateral location of centre of pressure (COP) were measured...
April 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Mohamed Macki, Sbaa Syeda, Panagiotis Kerezoudis, Ziya L Gokaslan, Ali Bydon, Mohamad Bydon
OBJECTIVE: Palsy of dorsiflexion, or foot drop, may be due to degenerative lumbar disease and amenable to posterior spinal decompression. The objective of this study is to measure prognostic factors of and time to foot drop improvement after posterior lumbar decompression. METHODS: We retrospectively reviewed 71 patients undergoing first-time, posterior lumbar decompression for foot drop due to degenerative spinal disease. Patient sex, age, comorbidities (Charlson Comorbidity Index), preoperative anterior tibialis strength (manual muscle testing, MMT), and duration of foot drop were ascertained from clinical notes...
February 15, 2016: Journal of the Neurological Sciences
Juanita Wallace, Hank White, Jing Xi, Richard Kryscio, Sam Augsburger, Todd Milbrandt, Vishwas Talwalkar, Henry Iwinski, Janet Walker
The aim of this study was to identify significant changes in pedobarographic parameters attributed to growth versus growth and surgical intervention for uninvolved feet, clubfeet (CF) subjected to anterior tibialis tendon transfer surgery, and unilateral nonsurgical CF. Participants underwent foot-pressure analysis preoperatively and 3 years postoperatively. Six parameters related to the lateral midfoot showed increases for uninvolved and nonsurgical CF, whereas CF subjected to surgery decreased. Transferring the anterior tibialis tendon resulted in improvements beyond typical growth and in a more balanced foot postoperatively...
March 2016: Journal of Pediatric Orthopedics. Part B
Haijun Mao, Guanyue Xu
BACKGROUND: Traumatic ruptures of the tibialis anterior tendon are rare but can cause substantial functional deficiencies. This study aimed to evaluate the feasibility of a surgery for soft tissue repair of traumatic rupture of the tibialis anterior tendon by using a plate and screw fixation repair in combination with the free anterolateral thigh flaps transplantation. METHODS: Eight consecutive patients with anterior tibialis tendon ruptures who visited orthopedics departments from February 2008 to February 2012 were included in our study...
2015: Journal of Orthopaedic Surgery and Research
Joe A I Prinold, Claudia Mazzà, Roberto Di Marco, Iain Hannah, Clara Malattia, Silvia Magni-Manzoni, Maurizio Petrarca, Anna B Ronchetti, Laura Tanturri de Horatio, E H Pieter van Dijkhuizen, Stefan Wesarg, Marco Viceconti
Juvenile idiopathic arthritis (JIA) is the leading cause of childhood disability from a musculoskeletal disorder. It generally affects large joints such as the knee and the ankle, often causing structural damage. Different factors contribute to the damage onset, including altered joint loading and other mechanical factors, associated with pain and inflammation. The prediction of patients' joint loading can hence be a valuable tool in understanding the disease mechanisms involved in structural damage progression...
January 2016: Annals of Biomedical Engineering
Ambra Stefani, David Gabelia, Birgit Högl, Thomas Mitterling, Philipp Mahlknecht, Heike Stockner, Werner Poewe, Birgit Frauscher
STUDY OBJECTIVES: Idiopathic rapid eye movement (REM) sleep behavior disorder (RBD) is a harbinger of synuclein-mediated neurodegenerative diseases. It is unknown if this also applies to isolated REM sleep without atonia (RWA). We performed a long-term follow-up investigation of subjects with isolated RWA. METHODS: Participants were recruited from 50 subjects with isolated RWA who were identified at the sleep laboratory of the Department of Neurology at the Medical University of Innsbruck between 2003 and 2005...
November 2015: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
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