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https://www.readbyqxmd.com/read/27909669/reconstruction-of-massive-posterior-nonrepairable-acetabular-labral-tears-with-peroneus-brevis-tendon-allograft-arthroscopy-assisted-mini-open-approach
#1
Esther Moya, Luis Gerardo Natera, Carlomagno Cardenas, Emanuele Astarita, Vittorio Bellotti, Manel Ribas
Many of the described labral-reconstruction procedures are purely arthroscopic. This approach only allows segmentary reconstructions. For more extensive reconstructions, surgical dislocation of the hip still represents the more suitable approach. We present an arthroscopy-assisted procedure combined with an anterior mini-open approach, which could be considered for reconstruction of nonrepairable labral lesions located in the posterior aspect of the acetabulum and massive reconstructions in cases of global-pincer femoroacetabular impingement and protrusio acetabuli...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27904023/early-embryonic-development-of-long-tendons-in-the-human-foot
#2
Masahito Yamamoto, Yasuhiro Shiraishi, Kei Kitamura, Zhe Wu Jin, Gen Murakami, Jose Francisco Rodríguez-Vázquez, Shin-Ichi Abe
To examine a common plantar tendinous plate for long flexors of the toe and fingers in human embryos, we observed sections of 10 embryos at 5-6 weeks (crown-rump length or CRL 15-21 mm). The heel or tuber of the calcaneus was underdeveloped in 3 embryos with CRL 15 mm and the talus appeared not to be piled up on the calcaneus but these two bones were arranged along the lateromedial axis. As reported in the hand, we demonstrated, in the deep side of tarsal bones, a common tendinous plate formed by a joining of the flexor halluces longus and flexor digitorum longus tendons...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27899356/donor-site-morbidity-after-lateral-ankle-ligament-reconstruction-using-the-anterior-half-of-the-peroneus-longus-tendon-autograft
#3
Chul Hyun Park, Woo-Chun Lee
BACKGROUND: The anterior half of the peroneus longus tendon (AHPLT) has been reported to be an effective autograft for ligament reconstruction with respect to strength and safety. However, there is little information regarding donor site morbidity after harvesting the AHPLT. Furthermore, to the best of our knowledge, there has not been a study on the isokinetic evaluation of ankle plantar flexion and eversion after AHPLT harvesting. PURPOSE: To evaluate the clinical and radiographic results after lateral ankle ligament reconstruction using the AHPLT...
November 29, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27871968/lateral-ligament-reconstruction-procedures-for-the-ankle
#4
REVIEW
Yves Tourné, Christian Mabit
Capsule/ligament lesions of the lateral compartment of the ankle lead to lateral laxity, which is a prime contributor to chronic ankle instability. Lateral ligament reconstruction stabilizes the joint. Exhaustive preoperative clinical and paraclinical work-up is essential. The present article classifies, presents and criticizes the main techniques in terms of long-term stabilization and reduction of osteoarthritis risk. Anatomic ligament repair with reinforcement (mainly extensor retinaculum) or anatomic ligament reconstruction are the two recommended options...
November 18, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27868426/effects-of-regular-tai-chi-practice-and-jogging-on-neuromuscular-reaction-during-lateral-postural-control-in-older-people
#5
Shao-Jun Wang, Dong-Qing Xu, Jing-Xian Li
This study examined the effects of regular Tai Chi practice and jogging on the neuromuscular activity of the trunk, hip, and ankle joint muscles of older people during lateral postural perturbation. A total of 42 older people participated in the study and formed the Tai Chi, jogging, and sedentary control groups. Electromyography signals were collected from the peroneus longus, anterior tibialis, gluteus medius, and erector spinae during unpredictable mediolateral perturbation. The Tai Chi group exhibited significantly faster latencies of the tibialis anterior and erector spinae than the control group...
November 19, 2016: Research in Sports Medicine
https://www.readbyqxmd.com/read/27847977/does-a-different-dose-of-gamma-irradiation-have-the-same-effect-on-five-different-types-of-tendon-allografts-a-biomechanical-study
#6
Gyorgy Hangody, Gábor Szebényi, Bence Abonyi, Rita Kiss, László Hangody, Károly Pap
INTRODUCTION: The goals of our study were to evaluate the biomechanical differences between five tendons and the changes in biomechanical properties caused by irradiation. METHODS: Achilles, quadriceps, semitendinosus + gracilis (STG), tibialis anterior (TA) and the peroneus longus (PL) were harvested from 30 donors. Group A contained 50 tendons without gamma irradiation. The groups were irradiated with a dose of 21 kGy (group B 50 tendons) and with a dose of 42 kGy (group C 50 tendons)...
November 15, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27822509/peripheral-neuropathy-in-patients-with-cpeo-associated-with-single-and-multiple-mtdna-deletions
#7
Diana Lehmann, Malte E Kornhuber, Carolina Clajus, Charlotte L Alston, Andreas Wienke, Marcus Deschauer, Robert W Taylor, Stephan Zierz
OBJECTIVE: To characterize peripheral nerve involvement in patients with chronic progressive external ophthalmoplegia (CPEO) with single and multiple mitochondrial DNA (mtDNA) deletions, based on clinical scores and detailed nerve conduction studies. METHODS: Peripheral nerve involvement was prospectively investigated in 33 participants with CPEO (single deletions n = 18 and multiple deletions n = 15). Clinically, a modified Total Neuropathy Score (mTNS) and a modified International Cooperative Ataxia Rating Scale (mICARS) were used...
December 2016: Neurology. Genetics
https://www.readbyqxmd.com/read/27816210/interrater-reliability-in-the-clinical-evaluation-of-myofascial-trigger-points-in-three-ankle-muscles
#8
David Rodríguez Sanz, César Calvo Lobo, Daniel López López, Carlos Romero Morales, Carlos Sosa Marín, Irene Sanz Corbalán
OBJECTIVE: The purpose of this study was to evaluate interrater reliability in the diagnosis of myofascial trigger points (MTrPs) in the tibialis anterior, peroneus brevis, and extensor digitorum longus muscles. METHODS: A reliability research study was performed. Three physical therapists with clinical experience in myofascial pain functioned as raters and randomly and bilaterally evaluated the ankles of 40 subjects in the Madrid public health care system. The absence or presence of MTrPs, nodules in taut bands, patterns of referred pain, local twitch response (LTR), and jump-sign were evaluated...
November 2, 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27799685/effect-of-rain-boot-shaft-length-on-lower-extremity-muscle-activity-during-treadmill-walking
#9
Young-Hwan Kim, Kyung-Tae Yoo
[Purpose] This study aimed to determine the extent of lower extremity muscle activity before and after walking based on rain boot shaft length. [Subjects and Methods] The subjects, 12 young and healthy females, were divided into three groups based on rain boot shaft length (long, middle, and short). They walked on a treadmill for 30 minutes. Activity of the rectus femoris, vastus lateralis, semitendinosus, tibialis anterior, peroneus longus, and gastrocnemius was measured using electromyography before and after walking...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27793349/ultrasonography-comparison-of-peroneus-muscle-cross-sectional-area-in-subjects-with-or-without-lateral-ankle-sprains
#10
César Calvo Lobo, Carlos Romero Morales, David Rodríguez Sanz, Irene Sanz Corbalán, Alejandro Garrido Marín, Daniel López López
OBJECTIVE: The purpose of this study was to quantify the cross-sectional area (CSA) of the peroneus brevis, the peroneus longus, and connective tissue; to compare these measures in participants with and without lateral ankle sprains (LAS); and to determine the intraexaminer reliability of the protocol used to acquire these measures. METHODS: A cross-sectional case-control study was undertaken. B-mode ultrasound imaging was performed to measure the resting CSA and circular perimeter of the muscles and connective tissue and the total area and ratio between the CSA of the peroneus longus and the peroneus brevis...
October 25, 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27791976/foot-and-ankle-kinematics-and-dynamic-electromyography-quantitative-analysis-of-recovery-from-peroneal-neuropathy-in-a-professional-football-player
#11
Nikhil K Prasad, Krista A Coleman Wood, Robert J Spinner, Kenton R Kaufman
The assessment of neuromuscular recovery after peripheral nerve surgery has typically been a subjective physical examination. The purpose of this report was to assess the value of gait analysis in documenting recovery quantitatively. A professional football player underwent gait analysis before and after surgery for a peroneal intraneural ganglion cyst causing a left-sided foot drop. Surface electromyography (SEMG) recording from surface electrodes and motion parameter acquisition from a computerized motion capture system consisting of 10 infrared cameras were performed simultaneously...
2016: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/27760484/electrophysiological-sonographic-mapping-of-the-superficial-peroneal-nerve-to-facilitate-biopsy-under-local-anaesthesia
#12
Andrei Tudose, Florence R A Hogg, Jeremy D P Bland, Daniel C Walsh
The anatomical surface markings for the superficial peroneal nerve have been described and it may be preferred for biopsy in cases of suspected vasculitis as biopsy of the peroneus brevis muscle increases diagnostic yield. The procedure is however unfamiliar to many surgeons and the anatomical variability of the subcutaneous part underestimated. Where the nerve has some preserved sensory nerve action potential it may be mapped pre-operatively, greatly facilitating minimally traumatic biopsy with potential logistical and wound healing advantages...
October 20, 2016: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/27721087/selective-activation-of-lower-leg-muscles-during-maximum-voluntary-isometric-contractions
#13
Marco Hagen, Gerrit Schwiertz, Karl B Landorf, Hylton B Menz, George S Murley
The pronators and supinators play a key role in the medio-lateral stability of the ankle joint complex (i.e. talo-crural and subtalar joints). We hypothesized that each shank muscle has a specific activation pattern determined by its anatomical course around the axes of the subtalar and talo-crural joints. A secondary objective was to examine the effect of foot posture on these activation patterns. Forty-nine young adults (25 normal-arched feet, 24 flat-arched feet) performed maximum voluntary isometric contractions against manual resistance in four movement directions: plantarflexion (PF), dorsiflexion (DF), pronation (PRO) and supination (SUP)...
December 2016: Human Movement Science
https://www.readbyqxmd.com/read/27695371/effects-of-gamma-irradiation-on-the-biomechanical-properties-of-peroneus-tendons
#14
Christopher M Aguila, Gaëtan J-R Delcroix, David N Kaimrajh, Edward L Milne, H Thomas Temple, Loren L Latta
PURPOSE: This study was designed to investigate the biomechanical properties of nonirradiated (NI) and irradiated (IR) peroneus tendons to determine if they would be suitable allografts, in regards to biomechanical properties, for anterior cruciate ligament reconstruction after a dose of 1.5-2.5 Mrad. METHODS: Seven pairs of peroneus longus (PL) and ten pairs of peroneus brevis (PB) tendons were procured from human cadavers. The diameter of each allograft was measured...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27693602/fetal-development-of-the-pulley-for-muscle-insertion-tendons-a-review-and-new-findings-related-to-the-tensor-tympani-tendon
#15
Jose Francisco Rodríguez-Vázquez, Yohei Honkura, Yukio Katori, Gen Murakami, Hiroshi Abe
The existence of hard tissue pulleys that act to change the direction of a muscle insertion tendon is well known in the human body. These include (1) the trochlea for the extraocular obliquus superior muscle, (2) the pterygoid hamulus for the tensor veli palatini muscle, (3) the deep sulcus on the plantar aspect of the cuboid bone for the peroneus longus tendon, (4) the lesser sciatic notch for the obturator internus muscle, and (5) the bony trochleariformis process for the tensor tympani muscle tendon. In addition, (6) the stapedius muscle tendon shows a lesser or greater angulation at the pyramidal eminence of the temporal bone...
September 29, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27665088/feasibility-and-reliability-of-using-an-exoskeleton-to-emulate-muscle-contractures-during-walking
#16
M Attias, A Bonnefoy-Mazure, G De Coulon, L Cheze, S Armand
Contracture is a permanent shortening of the muscle-tendon-ligament complex that limits joint mobility. Contracture is involved in many diseases (cerebral palsy, stroke, etc.) and can impair walking and other activities of daily living. The purpose of this study was to quantify the reliability of an exoskeleton designed to emulate lower limb muscle contractures unilaterally and bilaterally during walking. An exoskeleton was built according to the following design criteria: adjustable to different morphologies; respect of the principal lines of muscular actions; placement of reflective markers on anatomical landmarks; and the ability to replicate the contractures of eight muscles of the lower limb unilaterally and bilaterally (psoas, rectus femoris, hamstring, hip adductors, gastrocnemius, soleus, tibialis posterior, and peroneus)...
September 19, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27632852/the-relationship-between-joint-stiffness-and-muscle-activity-differs-in-unstable-ankles-and-copers
#17
Alan R Needle, Thomas W Kaminski, Jochen Baumeister, Jill S Higginson, William B Farquhar, C Buz Swanik
CONTEXT: Rolling sensations at the ankle are common after injury and represent failure in neural regulation of joint stiffness. However, deficits following ankle injury are variable and strategies for optimizing stiffness may differ across patients. OBJECTIVE: This study aimed to determine if ankle stiffness and muscle activation differ between patients with varying history of ankle injury. PATIENTS: Fifty-nine individuals were stratified into groups of healthy (CON, n=20), functionally unstable (UNS, n=19), and coper (COP, n=20) groups...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27630412/the-influence-of-a-medio-lateral-unstable-sole-on-invertor-and-evertor-activation-while-descending-stairs
#18
Ki-Sik Yang, Kyungyeon Park, Bo-Ram Choi
[Purpose] This study examined the effects of a medio-lateral unstable sole on invertor and evertor activation while descending stairs. [Subjects and Methods] The subjects were 30 university students with no history of ankle sprain. They descended stairs while wearing the medio-lateral unstable sole or with bare feet. Electromyography was used to record the activity of the tibialis anterior and peroneus longus and brevis muscles and paired t-tests were used to assess statistical significance. [Results] The medio-lateral unstable sole group showed increased tibialis anterior and peroneus longus and brevis muscle activation compared to the barefoot group...
August 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27626836/muscle-activation-during-landing-before-and-after-fatigue-in-individuals-with-or-without-chronic-ankle-instability
#19
Kathryn A Webster, Brian G Pietrosimone, Phillip A Gribble
CONTEXT: Ankle instability is a common condition in physically active individuals. It often occurs during a jump landing or lateral motion, particularly when participants are fatigued. OBJECTIVE: To compare muscle activation during a lateral hop prefatigue and postfatigue in individuals with or without chronic ankle instability (CAI). DESIGN: Cross-sectional study. SETTING: Sports medicine research laboratory. PATIENTS OR OTHER PARTICIPANTS: A total of 32 physically active participants volunteered for the study...
August 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27625201/the-peroneus-quartus-muscle-in-a-locking-phenomenon-of-the-ankle-a%C3%A2-case-report
#20
Kim T M Opdam, Pim A D van Dijk, Sjoerd A S Stufkens, C Niek van Dijk
We present the case of a 64-year-old female who was referred to us with an unexplained clicking and locking phenomenon of the right ankle. The magnetic resonance imaging findings suggested a longitudinal tear of the peroneus brevis tendon. During tendoscopy, not only was a Raikin type B intrasheath tendon subluxation visible, but also a peroneus quartus muscle. The peroneus brevis tear was tubularized and the peroneus quartus muscle resected, which resolved the patient's complaints.
September 10, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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