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Tensiomyography

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https://www.readbyqxmd.com/read/27803627/muscle-contraction-velocity-a-suitable-approach-to-analyze-the-functional-adaptations-in-elite-soccer-players
#1
Irineu Loturco, Lucas A Pereira, Ronaldo Kobal, Katia Kitamura, Rodrigo Ramírez-Campillo, Vinicius Zanetti, Cesar C Cal Abad, Fabio Y Nakamura
Tensiomyography (TMG) has been used as a simple and non-invasive tool to assess the mechanical properties of skeletal muscles. The TMG-derived velocity of contraction (Vc), which can be calculated from the ratio between maximal radial displacement and the sum of contraction time and delay time, has been proposed for evaluating athletes. However, its sensitivity to training effects and possible relation with changes in soccer players' neuromuscular performance have not yet been addressed. To test this possibility, twenty-two male Brazilian elite soccer players were assessed using TMG-derived Vc, unloaded squat jump, countermovement jump and drop jump at 45 cm, loaded jump squat and linear (20 m) and change of direction (COD) sprint tests, prior to and after an 8-week period, between two consecutive official tournaments, during which the concurrency between endurance and strength-power training commonly impairs neuromuscular capacities...
September 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27757289/sixty-seconds-of-foam-rolling-does-not-affect-functional-flexibility-or-change-muscle-temperature-in-adolescent-athletes
#2
Andrew M Murray, Thomas W Jones, Cosmin Horobeanu, Anthony P Turner, John Sproule
BACKGROUND: Physiotherapists and other practitioners commonly prescribe foam rolling as an intervention, but the mechanistic effects of this intervention are not known. PURPOSE: The aim of this investigation was to establish if a single bout of foam rolling affects flexibility, skeletal muscle contractility and reflected temperature. METHODS: Twelve adolescent male squash players were evaluated on two separate occasions (treatment and control visits) and were tested on both legs for flexibility of the hip flexors and quadriceps, muscle contractility (as measured by tensiomyography) and temperature of the quadriceps (assessed via thermography) at repeated time points pre- and post a 60s rolling intervention (pre-, immediately post, 5, 10, 15, and 30 minutes post)...
October 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27362968/effects-of-dry-needling-dnhs-technique-on-the-contractile-properties-of-spastic-muscles-in-a-patient-with-stroke-a-case-report
#3
Sandra Calvo, Isabel Quintero, Pablo Herrero
Dry needling for hypertonia and spasticity (DNHS) is a technique used for decreasing hypertonia and spasticity and for the improvement of function in patients with damage to the central nervous system. There is limited evidence supporting the effectiveness of this technique on the basis of objective assessments. The aim of the present case report was to quantify the effects of dry needling (DNHS technique) on the contractile properties of spastic muscles in an individual with stroke. The DNHS technique was applied to a 50-year-old male 2...
June 29, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/27360645/effects-of-a-cool-vest-jacket-on-skeletal-muscle-response-using-tensiomyography-1820-june-2-1-45-pm-2-00-pm
#4
Carles Lorente Gonzalez, Francisco Corbi Soler
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27317976/muscle-mechanical-properties-of-strength-and-endurance-athletes-and-changes-after-one-week-of-intensive-training
#5
Rauno Álvaro de Paula Simola, Christian Raeder, Thimo Wiewelhove, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
The study investigates whether tensiomyography (TMG) is sensitive to differentiate between strength and endurance athletes, and to monitor fatigue after either one week of intensive strength (ST) or endurance (END) training. Fourteen strength (24.1±2.0years) and eleven endurance athletes (25.5±4.8years) performed an intensive training period of 6days of ST or END, respectively. ST and END groups completed specific performance tests as well as TMG measurements of maximal radial deformation of the muscle belly (Dm), deformation time between 10% and 90% Dm (Tc), rate of deformation development until 10% Dm (V10) and 90% Dm (V90) before (baseline), after training period (post1), and after 72h of recovery (post2)...
October 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/27093538/assessment-of-fatigue-and-recovery-in-male-and-female-athletes-after-6-days-of-intensified-strength-training
#6
Christian Raeder, Thimo Wiewelhove, Rauno Álvaro De Paula Simola, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
Raeder, C, Wiewelhove, T, Simola, RÁDP, Kellmann, M, Meyer, T, Pfeiffer, M, and Ferrauti, A. Assessment of fatigue and recovery in male and female athletes after 6 days of intensified strength training. J Strength Cond Res 30(12): 3412-3427, 2016-This study aimed to analyze changes of neuromuscular, physiological, and perceptual markers for routine assessment of fatigue and recovery in high-resistance strength training. Fourteen male and 9 female athletes participated in a 6-day intensified strength training microcycle (STM) designed to purposefully overreach...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26914331/gluteus-maximus-impairment-in-femoroacetabular-impingement-a-tensiomyographic-evaluation-of-a-clinical-fact
#7
Roberto Seijas, Eduard Alentorn-Geli, Pedro Álvarez-Díaz, Miguel Marín, Oscar Ares, Andrea Sallent, Xavier Cuscó, Ramón Cugat
INTRODUCTION: the aim of the present study is to evaluate the mechanical and contractile properties of the gluteus maximus (GM) muscle in patients with femoroacetabular impingement (FAI). Our hypothesis is that the clinical observation of GM pain would be evidenced by tensiomyographic impairment in muscle function. MATERIALS AND METHODS: A prospective, cross-sectional, intra-group comparative study was conducted to assess the neuromuscular changes of lower extremity muscles in patients with FAI...
June 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/26562625/assessment-of-muscle-contractile-properties-at-acute-moderate-altitude-through-tensiomyography
#8
Antonio J Morales-Artacho, Paulino Padial, Dario Rodríguez-Matoso, David Rodríguez-Ruiz, Amador García-Ramos, Juan Manuel García-Manso, Carmen Calderón, Belén Feriche
Under hypoxia, alterations in muscle contractile properties and faster fatigue development have been reported. This study investigated the efficacy of tensiomyography (TMG) in assessing muscle contractile function at acute moderate altitude. Biceps femoris (BF) and vastus lateralis (VL) muscles of 18 athletes (age 20.1 ± 6.1 years; body mass 65.4 ± 13.9 kg; height 174.6 ± 9.5 cm) were assessed at sea level and moderate altitude using electrically evoked contractions on two consecutive days...
December 2015: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/26393480/assessment-of-the-in-season-changes-in-mechanical-and-neuromuscular-characteristics-in-professional-soccer-players
#9
Oscar García-García, Virginia Serrano-Gómez, Antonio Hernández-Mendo, Antonio Tapia-Flores
BACKGROUND: The aim of this study was to monitor in-season changes in the mechanical and neuromuscular characteristics of knee extensor and flexor muscles in professional soccer players. METHODS: Twenty-one professional soccer players (soccer group, or SG) and sixteen non-soccer playing males (non-soccer group, or NSG) were assessed by tensiomyography on two occasions: just after the start of the competitive season and 10 weeks later. During this time the soccer players' training sessions were built mainly on speed and strength drills...
June 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/26390075/effects-of-an-uphill-marathon-on-running-mechanics-and-lower-limb-muscle-fatigue
#10
Nicola Giovanelli, Paolo Taboga, Enrico Rejc, Bostjan Simunic, Guglielmo Antonutto, Stefano Lazzer
PURPOSE: To investigate the effects of an uphill marathon (43 km, 3063-m elevation gain) on running mechanics and neuromuscular fatigue in lower-limb muscles. METHODS: Maximal mechanical power of lower limbs (MMP), temporal tensiomyographic (TMG) parameters, and muscle-belly displacement (Dm) were determined in the vastus lateralis muscle before and after the competition in 18 runners (age 42.8 ± 9.9 y, body mass 70.1 ± 7.3 kg, maximal oxygen uptake 55.5 ± 7...
May 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/26271313/tensiomyography-parameters-and-jumping-and-sprinting-performance-in-brazilian-elite-soccer-players
#11
Saulo Gil, Irineu Loturco, Valmor Tricoli, Carlos Ugrinowitsch, Ronaldo Kobal, Cesar Cavinato Cal Abad, Hamilton Roschel
Tensiomyography has been suggested as an indirect marker of muscle stiffness, which is associated with strength/power performance. Therefore, it is reasonable to suggest that tensiomyography parameters could be associated with power-related motor tasks. The purpose of this study was to investigate the association between tensiomyography parameters (from rectus and biceps femoris) and jumping and sprinting abilities in elite soccer players. In addition, we used tensiomyography parameters to compare the lateral symmetry between dominant and non-dominant legs...
September 2015: Sports Biomechanics
https://www.readbyqxmd.com/read/26060988/reduced-radial-displacement-of-the-gastrocnemius-medialis-muscle-after-electrically-elicited-fatigue
#12
Lewis J Macgregor, Massimiliano Ditroilo, Iain J Smith, Malcolm M Fairweather, Angus M Hunter
CONTEXT: Assessments of skeletal-muscle functional capacity often necessitate maximal contractile effort, which exacerbates muscle fatigue or injury. Tensiomyography (TMG) has been investigated as a means to assess muscle contractile function after fatigue; however, observations have not been contextualized by concurrent physiological measures. OBJECTIVE: To measure peripheral-fatigue-induced alterations in mechanical and contractile properties of the plantar-flexor muscles through noninvasive TMG concurrently with maximal voluntary contraction (MVC) and passive muscle tension (PMT) to validate TMG as a gauge of peripheral fatigue...
August 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/25705967/neuromuscular-profile-of-top-level-women-kayakers-assessed-through-tensiomyography
#13
Oscar García-García, Jose M Cancela-Carral, Fernando Huelin-Trillo
The aim of this study is to assess the contractile properties and the lateral symmetry percentages of trapezius, deltoideus, and latissimus dorsi muscles of top-level female kayakers [FKs]) and to determine the gender influence and the specific training in the assessed parameters. Twenty-one volunteers participated in this study, who were stratified into 3 groups: 7 top-level FKs, 4 top-level men kayakers (MKs), and 10 physically active female non-kayakers (FNKs), and they have been assessed through tensiomyography (TMG)...
March 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25611276/analysis-of-neuromuscular-parameters-in-patients-with-multiple-sclerosis-and-gait-disorders
#14
Marius Cristian Neamţu, Ligia Rusu, Oana Maria Neamţu, Denisa Enescu Bieru, Mihnea Ion Marin, Ileana Cristiana Croitoru, Adrian Ioan Fronie, Daniela Manuc, Dănuţ Nicolae Tarniţă
UNLABELLED: Gait is a motor activity that requires understanding the dynamics and functional anatomical elements that make possible its cyclical conduct. Patients with multiple sclerosis record impaired balance and gait due to the process of demyelination, disorders that can be estimated by quantifying neuromuscular and cortical parameters. The aim of this paper is to present both an analysis of these parameters in the thigh muscles and an evaluation of cortical parameters obtained by visual evoked potentials (VEP)...
2014: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/25546451/differences-in-muscle-mechanical-properties-between-elite-power-and-endurance-athletes-a-comparative-study
#15
COMPARATIVE STUDY
Irineu Loturco, Saulo Gil, Cristiano Frota de Souza Laurino, Hamilton Roschel, Ronaldo Kobal, Cesar C Cal Abad, Fabio Y Nakamura
The aim of this study was to compare muscle mechanical properties (using tensiomyography-TMG) and jumping performance of endurance and power athletes and to quantify the associations between TMG parameters and jumping performance indices. Forty-one high-level track and field athletes from power (n = 22; mean ± SD age, height, and weight were 27.2 ± 3.6 years; 180.2 ± 5.4 cm; and 79.4 ± 8.6 kg, respectively) and endurance (endurance runners and triathletes; n = 19; mean ± SD age, height, and weight were 27...
June 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25474337/assessment-of-neuromuscular-function-after-different-strength-training-protocols-using-tensiomyography
#16
RANDOMIZED CONTROLLED TRIAL
Rauno Á de Paula Simola, Nico Harms, Christian Raeder, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
The purpose of the study was to analyze tensiomyography (TMG) sensitivity to changes in muscle force and neuromuscular function of the muscle rectus femoris (RF) using TMG muscle properties after 5 different lower-limb strength training protocols (multiple sets; DS = drop sets; eccentric overload; FW = flywheel; PL = plyometrics). After baseline measurements, 14 male strength trained athletes completed 1 squat training protocol per week over a 5-week period in a randomized controlled order. Maximal voluntary isometric contraction (MVIC), TMG measurements of maximal radial displacement of the muscle belly (Dm), contraction time between 10 and 90% of Dm (Tc), and mean muscle contraction velocities from the beginning until 10% (V10) and 90% of Dm (V90) were analyzed up to 0...
May 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25264666/neuromuscular-profile-of-top-level-women-kayakers-assessed-through-tensiomyography
#17
Oscar García-García, Jose María Cancela-Carral, Fernando Huelin-Trillo
The aim of this study is to assess the contractile properties and the lateral symmetry percentages of muscles: Trapezius, Deltoideus and Latissimus Dorsi of top level women kayakers, and determine the gender influence and the specific training in the assessed parameters. Twenty-one volunteers participated in this study, divided into three groups: seven top-level women kayakers (WK), four top-level men kayakers (MK) and ten women physically active, non-kayakers (WNK) have been assessed through tensiomyography (TMG)...
September 26, 2014: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/25248310/effects-of-anterior-cruciate-ligament-injury-on-neuromuscular-tensiomyographic-characteristics-of-the-lower-extremity-in-competitive-male-soccer-players
#18
Pedro Alvarez-Diaz, Eduard Alentorn-Geli, Silvia Ramon, Miguel Marin, Gilbert Steinbacher, Juan José Boffa, Xavier Cuscó, Oscar Ares, Jordi Ballester, Ramon Cugat
PURPOSE: To investigate the effects of anterior cruciate ligament injury on mechanical and contractile characteristics of the skeletal muscles of the lower extremity in competitive soccer players through tensiomyography (TMG). METHODS: All competitive male soccer players with confirmed acute anterior cruciate ligament tear included underwent resting TMG assessment of muscles of both lower extremities before anterior cruciate ligament reconstruction. The same values were obtained from a sex- and sports level-matched control group...
July 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/25236679/comparison-of-tensiomyographic-neuromuscular-characteristics-between-muscles-of-the-dominant-and-non-dominant-lower-extremity-in-male-soccer-players
#19
Pedro Alvarez-Diaz, Eduard Alentorn-Geli, Silvia Ramon, Miguel Marin, Gilbert Steinbacher, Marta Rius, Roberto Seijas, Jordi Ballester, Ramon Cugat
PURPOSE: Tensiomyography (TMG) has been used to assess neuromuscular characteristics of muscles of the lower extremity in soccer players. However, the effects of lower extremity dominance on TMG characteristics in this population have not been reported to date. The purpose of this study was to compare the TMG neuromuscular characteristics between the dominant and non-dominant lower extremity in male soccer players. METHODS: Thirty-eight consecutive healthy male soccer players underwent resting TMG assessment of vastus medialis (VM), vastus lateralis (VL), rectus femoris (RF), semitendinosus (ST), biceps femoris (BF), gastrocnemius medialis (GM), and gastrocnemius lateralis (GL) in both lower extremities...
July 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/25047791/effects-of-anterior-cruciate-ligament-reconstruction-on-neuromuscular-tensiomyographic-characteristics-of-the-lower-extremity-in-competitive-male-soccer-players
#20
Pedro Alvarez-Diaz, Eduard Alentorn-Geli, Silvia Ramon, Miguel Marin, Gilbert Steinbacher, Marta Rius, Roberto Seijas, Jordi Ballester, Ramon Cugat
PURPOSE: To investigate the effects of anterior cruciate ligament (ACL) reconstruction on mechanical and contractile properties of the skeletal muscles of the lower extremities in soccer players through tensiomyography (TMG). METHODS: All soccer players with acute ACL tear included underwent resting TMG assessment of muscles of both lower extremities before and 1 year after ACL reconstruction. The muscles assessed were vastus medialis (VM), vastus laterals (VL), rectus femoris (RF), semitendinosus (ST), biceps femoris (BF), gastrocnemius medialis (GM), and gastrocnemius lateralis (GL)...
November 2015: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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