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Muscles, Ligaments and Tendons Journal

Alberto Ventura, Claudio Legnani, Enrico Borgo
Introduction: The management of isolated unicompartmental osteoarthritis in the patient aged 70 years and older is an issue of debate. The purpose of the present study was to retrospectively evaluate the outcomes of patients aged over 70 years who underwent unicompartmental knee replacement (UKR) for the treatment of isolated unicompartmental osteoarthritis. The hypothesis was that this represents a safe and viable procedure leading to improved functional outcome in elderly patients affected by isolated unicompartmental osteoarthritis...
October 2017: Muscles, Ligaments and Tendons Journal
Lorenzo Rocchi, Antonio Merolli, Laura Giordani, Caterina Albensi, Calogero Foti
Introduction: The trapeziometacarpal (TMC) joint osteoarthritis (OA) is at the origin of important secondary functional disability to pinch as well as a painful grip. Several conservative therapies are often considered in the early stages of TMC OA to decrease pain, recover function and slow the evolution of OA. They include massage therapy, heat applications, stretching of the first web span and assisted mobilization of the TMC joint. However, as with other arthritic joints, many physicians often suggest administering intra-articular corticosteroids...
October 2017: Muscles, Ligaments and Tendons Journal
Helder Brito Andrade, Silvania Moraes Costa, Uanderson Silva Pirôpo, Ludmila Schettino, Cezar Augusto Casotti, Rafael Pereira
Introduction: The aging process leads to functional decline of sensorial organs, muscle mass and strength, as well as the sensorimotor integration, culminating in age-associated postural control impairments. The purpose of this study was to compare the balance, the sensorial integration process and the lower limb strength among three old aged groups. Methods: Eighty-one community-dwelling healthy old people (58% women), assigned into three age groups [60-69 years (n=30), 70-79 years (n=40), and ≥80 years (n=11)], participated in this study...
October 2017: Muscles, Ligaments and Tendons Journal
Kivanc Atesok, Peter MacDonald, Jeff Leiter, Sheila McRae, Mandip Singh, Greg Stranges, Jason Old
Introduction: The purpose of this study was to evaluate the effects of deep shoulder infections after RCR on patient outcomes. Methods: A retrospective chart review was conducted involving all patients with deep shoulder infections after arthroscopic RCR (study group). Another group of patients who were matched with the study group by age, gender and rotator cuff tear size, and did not develop deep shoulder infections after arthroscopic RCR were randomly identified (control group)...
October 2017: Muscles, Ligaments and Tendons Journal
Angela Notarnicola, Fabrizio Perroni, Alessio Campese, Giuseppe Maccagnano, Antonio Monno, Biagio Moretti, Silvio Tafuri
Introduction: The aims of study were: 1) to verify the effectiveness of different stretching methods and training; 2) to compare the effects with only training on the flexibility of joints in basketball players. Methods: 30 males basketball players (age: 17±1yrs; BMI: 23.4±3.1), divided into 2 groups (15 experimental group - EG - and 15 control group, CG), participated to study. EG performed 5 different stretching method: passive stretching, active stretching, postural protocol, PNF and dynamic stretching...
October 2017: Muscles, Ligaments and Tendons Journal
Gabriele Mascherini, Jorge Castizo-Olier, Alfredo Irurtia, Cristian Petri, Giorgio Galanti
Introduction: The differences between the sexes in body composition are well established, although sports activity at an elite level seems to reduce them. The aim of this study is a comparison of the sexes in terms of athletes' body composition with a three-compartment model and a localized bioimpedance analysis in elite soccer players. Methods: 18 female and 18 male elite soccer players of the same age were matched (female=26.2±2.4, male 26.9±2.5; p=0.87). An assessment of body composition was performed through the integration of anthropometrics parameters, skinfold thickness and bioimpedance data...
October 2017: Muscles, Ligaments and Tendons Journal
Luca Drocco, Daniele Camazzola, Riccardo Ferracini, Sebastien Lustig, Laura Ravera, Eugenio Graziano, Alessandro Massè, Alessandro Bistolfi
Introduction: The anterior cruciate ligament (ACL) reconstruction with pes anserinus tendons has been increasingly used throughout the last years. Although less invasive compared to other autologous grafts, a reduction of internal rotation and flexion strength after gracilis and semitendinosus harvesting has been reported. Harvesting one tendon instead of two from the pes anserinus can reduce the deficit of the knee flexor strength and improve the functional recover without weakening the reconstructed ligament...
October 2017: Muscles, Ligaments and Tendons Journal
Stylianos Kapetanakis, Grigorios Gkasdaris, Eleni Daneva, Panagiotis Givissis, Jannis Papathanasiou, Theodoros Xanthos
Introduction: Tendons contain neurosensory elements called mechanoreceptors which contribute to the neuromuscular system as sources of reflex signals. The literature is lacking in histological assessment of mechanoreceptors of the Achilles tendon in piglets and our aim was to indicate their types, location and quantity. Methods: The study was performed using histological tissue samples from the Achilles tendon of ten healthy pigs, five left, five right, six males, four females...
October 2017: Muscles, Ligaments and Tendons Journal
Silvia Pianigiani, Davide Croce, Marta D'Aiuto, Walter Pascale, Bernardo Innocenti
Introduction: While developing a subject-specific knee model, different kinds of data-inputs are required. If information about geometries can be definitely obtained from images, more effort is necessary for the in vivo properties. Consequently, such information are recruited from the literature as common habit. However, the effects of the combined sources still need to be evaluated. Methods: This work aims at developing an intact native subject-specific knee model for performing a sensitivity analysis on soft-tissues...
October 2017: Muscles, Ligaments and Tendons Journal
Maria Luisa Ruspi, Marco Palanca, Cesare Faldini, Luca Cristofolini
Introduction: The spine deserves careful biomechanical investigation, because of the different types of degeneration deriving from daily stress, trauma, and hard and soft tissue pathologies. Many biomechanical studies evaluated the range of motion, structural stiffness of spine segments under different loading conditions, without addressing the strain distribution. Strain gauges have been used to measure strain in the vertebral body, in a pointwise way.What is currently missing is a method to measure the distribution of strain in the soft tissues (intervertebral discs and ligaments), and an integration between measurements in the hard and soft tissues...
October 2017: Muscles, Ligaments and Tendons Journal
Bernardo Innocenti, Jean-Charles Larrieu, Pierre Lambert, Silvia Pianigiani
Introduction: The estimation of the non-linear viscoelastic characteristics of human soft tissues, such as ligaments and tendon, is often affected by the implemented procedure. This study aims at developing and validating a protocol, associated with a contactless and automatic procedure, enabling the determination of the material behavior and properties of any soft tissues. Methods: Several markers were drawn onto the soft tissue specimen analyzed under uniaxial tensile test...
October 2017: Muscles, Ligaments and Tendons Journal
Gusztáv Fekete, Dong Sun, Yaodong Gu, Patric Daniel Neis, Ney Francisco Ferreira, Bernardo Innocenti, Béla M Csizmadia
Introduction: Due to the more resilient biomaterials, problems related to wear in total knee replacements (TKRs) have decreased but not disappeared. In the design-related factors, wear is still the second most important mechanical factor that limits the lifetime of TKRs and it is also highly influenced by the local kinematics of the knee. During wear experiments, constant load and slide-roll ratio is frequently applied in tribo-tests beside other important parameters. Nevertheless, numerous studies demonstrated that constant slide-roll ratio is not accurate approach if TKR wear is modelled, while instead of a constant load, a flexion-angle dependent tibiofemoral force should be involved into the wear model to obtain realistic results...
October 2017: Muscles, Ligaments and Tendons Journal
Gloria Casaroli, Tomaso Villa, Fabio Galbusera
Introduction: Nowadays it is still not clear which loading conditions are responsible for lumbar intervertebral disc failure. Many studies have been conducted to investigate the effect of different loading conditions on the herniation processes, and many of them were based on the ovine model. However, the biomechanical similarities between the human and the ovine lumbar disc have been demonstrated in the main planes only, whereas it is not known if they are comparable under complex loading conditions too...
October 2017: Muscles, Ligaments and Tendons Journal
Chiara Giulia Fontanella, Emanuele Luigi Carniel, Veronica Macchi, Andrea Porzionato, Raffaele De Caro, Arturo Nicola Natali
Introduction: This work reports a set of results on the mechanical response of foot plantar tissues in healthy and degenerative conditions during the gait cycle, by means of a computational approach. Methods: A three dimensional finite element model of the foot was developed starting from the analysis of biomedical images. Different constitutive models were defined to interpret the mechanical response of the biological tissues. In particular, a specific visco-hyperelastic constitutive formulation was provided for foot plantar soft tissue considering the general features of tissue mechanics...
October 2017: Muscles, Ligaments and Tendons Journal
Mara Terzini, Elisabetta Maria Zanetti, Alberto Luigi Audenino, Giovanni Putame, Laura Gastaldi, Stefano Pastorelli, Elisa Panero, Arman Sard, Cristina Bignardi
The elbow ligamentous and bony structures play essential roles in the joint stability. Nevertheless, the contribution of different structures to joint stability is not yet clear and a comprehensive experimental investigation into the ligament and osseous constraints changes in relation to joint motions would be uphill and somehow unattainable, due to the impossibility of obtaining all the possible configurations on the same specimen. Therefore, a predictive tool of the joint behavior after the loss of retentive structures would be helpful in designing reconstructive surgeries and in pre-operative planning...
October 2017: Muscles, Ligaments and Tendons Journal
Bernardo Innocenti
No abstract text is available yet for this article.
October 2017: Muscles, Ligaments and Tendons Journal
Piero Volpi
No abstract text is available yet for this article.
October 2017: Muscles, Ligaments and Tendons Journal
Tiago Neto, Sandro R Freitas, Ricardo J Andrade, João Gomes, João Vaz, Bruno Mendes, Telmo Firmino, Antoine Nordez, Raúl Oliveira
Background: Neurodynamics techniques aim to assess and improve neural mechanosensitivity. However, there is no in vivo evidence regarding the mechanical effects of these techniques in the nerve stiffness. This study examined the immediate effects of a slump neurodynamics technique in the sciatic nerve shear wave velocity (SWV. i.e. an index of stiffness) using ultrasound-based elastography. Methods: Fourteen healthy participants were included in this experiment...
July 2017: Muscles, Ligaments and Tendons Journal
Tasneem Mohammad, Aliaa Rehan Youssef
Background: Muscle strain is a common injury with a high recurrence rate. Due to the heterogeneity of strain injuries, experimental animals provide controlled and reproducible models to investigate such injuries. Sciatic Function Index (SFI) is a clinically feasible method to assess hind limb recovery in rodents after induced injuries. Objectives: To investigate time to recovery of SFI after induced-strain in tibialis anterior (TA) muscle in rats. Methods: Sixteen adult male Wister rats were randomly and equally divided to a normal control group that received no intervention, and TA induced muscle strain group...
July 2017: Muscles, Ligaments and Tendons Journal
Mikko Laakso, Jussi Kosola, Pekka Niemi, Keijo Mäkelä, Juha Ranne, Sakari Orava, Lasse Lempainen
Background: Semitendinosus (ST) is widely used autograft in anterior cruciate ligament reconstructions (ACLR). Although tendon harvesting is a common procedure, some patients exhibit pain, cramping and dysfunctional at posterior thigh after the ACLR. The formation of the newly regenerated neotendon could be compromised by a new injury or too rapid rehabilitation. We present this clinical entity and the developed surgical technique and share our experience in treatment of these patients...
July 2017: Muscles, Ligaments and Tendons Journal
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