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hamstring muscle flexibility

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https://www.readbyqxmd.com/read/29931588/low-level-laser-therapy-combined-to-functional-exercise-on-treatment-of-fibromyalgia-a-double-blind-randomized-clinical-trial
#1
Daniel Germano Maciel, Marianne Trajano da Silva, José Antônio Rodrigues, João Batista Viana Neto, Ingrid Martins de França, Ana Beatriz Medeiros Melo, Therence Yves Pereira Barros da Silva, Wouber Hérickson de Brito Vieira
This study aims to investigate the effects of low-level laser therapy (LLLT) combined to a functional exercise program on treatment of FM. A double-blind and placebo-controlled randomized clinical trial composed of 22 women divided into two groups: placebo group (functional exercise program associated with placebo phototherapy n = 11) and laser group (same exercise program associated with active phototherapy; n = 11). Each session lasted from 40 to 60 min and was performed three times a week for 8 weeks...
June 21, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29914231/what-are-the-cutoff-values-for-the-diagnosis-of-hamstring-shortness-and-related-factors-that-affect-their-results
#2
Muhammed Şeref Yıldırım, Filiz Tuna, Derya Demirbağ Kabayel, Necdet Süt
Background: Decreased hamstring flexibility is associated with many pathological conditions. For this reason, hamstrings are one of the most frequently evaluated muscle groups for flexibility in the lower extremity. Muscle flexibility is evaluated indirectly by measuring adjacent joint range of motion. Passive and active knee extension angle values are used as an indirect indicator of hamstring flexibility. But the results of the active knee extension test are claimed to be influenced by subject’s quadriceps strength...
June 19, 2018: Balkan Medical Journal
https://www.readbyqxmd.com/read/29868683/hamstring-flexibility-is-not-correlated-with-isokinetic-knee-muscle-strength-in-female-modern-dancers
#3
Ani Agopyan
OBJECTIVE: To evaluate bilateral isokinetic knee extensor and flexor muscle strength relative to hamstring flexibility in female modern dancers. METHODS: 20 trained university-level female modern dance students (mean age 23.8±3.8 yrs) volunteered for the study. Concentric isokinetic peak torque (PT, in Nm), peak torque % of body weight (PT%BW, in Nm/kg), and total work (TW, in J) of the knee extensor and flexor muscles for each leg were measured with a dynamometer at a velocity of 60, 180, and 300°/s...
June 2018: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/29845833/effectiveness-of-low-frequency-electrical-stimulation-in-proprioceptive-neuromuscular-facilitation-techniques-in-in-healthy-males-a-randomized-controlled-trial
#4
Albert Pérez-Bellmunt, Oriol Casasayas, Raul Navarro, Mathias Simon, Juan C Martin, Cristina Pérez-Corbella, Marc Blasi, Sara Ortiz, Pedro Álvarez, Laura Pacheco
BACKGROUND: Hamstring muscle injuries are common in the sports field, with lack of hamstring flexibility being a risk factor. Stretching the hamstring muscles is an important part of the training and rehabilitation programs used to prevent or treat injury and improve performance. We aim to compare the immediate and follow-up effect on hamstring muscle flexibility between 2 different stretching protocols, proprioceptive neuromuscular facilitation (PNF) stretching and PNF stretching combined with electrostimulation...
May 29, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29803678/isokinetic-peak-torque-and-flexibility-changes-of-the-hamstring-muscles-after-eccentric-training-trained-versus-untrained-subjects
#5
Amr Almaz Abdel-Aziem, Elsadat Saad Soliman, Osama Ragaa Abdelraouf
OBJECTIVE: The aim of this study was to examine the effect of eccentric isotonic training on hamstring flexibility and eccentric and concentric isokinetic peak torque in trained and untrained subjects. METHODS: Sixty healthy subjects (mean age: 21.66 ± 2.64) were divided into three equal groups, each with 20 voluntary participants. Two experimental groups (untrained and trained groups) participated in a hamstring eccentric isotonic strengthening program (five days/week) for a six-week period and one control group that was not involved in the training program...
May 23, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29543123/crossover-effects-of-unilateral-static-stretching-and-foam-rolling-on-contralateral-hamstring-flexibility-and-strength
#6
Benjamin S Killen, Krista L Zelizney, Xin Ye
CONTEXT: Static stretching (SS) and self-administered foam rolling (SAFR) are both effective techniques often used in rehabilitation settings to improve one's range-of-motion (ROM). However, their effects on non-intervened contralateral limb's performance remain equivocal. OBJECTIVE: To examine the acute effects of unilateral hamstrings SS and SAFR on the contralateral hip flexion passive ROM and the strength performance. DESIGN: Randomized crossover trial...
March 15, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29481457/effect-of-a-hamstring-flexibility-program-performed-concurrently-during-an-elite-canoeist-competition-season
#7
T Álvarez-Yates, O García-García
The aim of this study was to determine de acute effect of an 8-weeks specific hamstring flexibility training on junior canoeist during the competition season. Sixteen canoeists participated, divided into 3 groups: 5 in Experimental Group 1 (EG1), 5 in Experimental Group 2 (EG2) and 6 in a Control Group (CG). The EG1 underwent a supervised program consisted by Simple Static Stretching, Dynamic Static Stretching and P.N.F. while the EG2 performed a program without P.N.F. and no supervision. Two measurements were performed to analyze the effect on the knee joint ROM and trunk flexion; neuromuscular and contractile properties in Biceps Femoris (BF) and Semitendinosus (ST) muscles; maximum power and average speed in lower limbs...
February 22, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29396987/the-effects-of-flexibility-training-on-exercise-induced-muscle-damage-in-young-men-with-limited-hamstrings-flexibility
#8
C M Brusco, A J Blazevich, R Radaelli, C E Botton, E L Cadore, B M Baroni, G S Trajano, R S Pinto
Adaptations to 6 weeks of supervised hamstring stretching training and its potential impact on symptoms of eccentric exercise-induced muscle damage (EIMD) were studied in 10 young, untrained men with limited hamstrings flexibility. Participants performed unilateral flexibility training (experimental leg; EL) on an isokinetic dynamometer, while the contralateral limb acted as control (CL). Hip range of motion (ROM), passive, isometric, and concentric torques, active optimum angle, and biceps femoris and semitendinosus muscle thickness and ultrasound echo intensity were assessed both before and after the training...
February 3, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29390001/acute-effects-of-different-dynamic-exercises-on-hamstring-strain-risk-factors
#9
Che Hsiu Chen, Ye Xin, Kuang Wu Lee, Ming Ju Lin, Jiu Jenq Lin
The purpose of the study was to examine the acute effects of different dynamic exercise interventions on hamstring muscle performance. Thirty-six young men with poor hamstring flexibility were randomly assigned to three intervention groups: jogging combined with dynamic open kinetic chain stretching (DS), jogging combined with dynamic closed kinetic chain stretching (lunge with eccentric hamstring windmills, LEC), and jogging only (CON) groups. Hamstring flexibility, muscle stiffness (area under the curve, AUC), joint position sense (JPS), maximal eccentric strength (ECC), and angle of peak torque (APT) were recorded before and immediately after the exercise interventions...
2018: PloS One
https://www.readbyqxmd.com/read/29364033/the-effects-of-cupping-on-hamstring-flexibility-in-collegiate-soccer-players
#10
Jeffrey G Williams, Hannah I Gard, Jeana M Gregory, Amy Gibson, Jennifer Austin
CONTEXT: Collegiate soccer players suffer hamstring injuries due to inflexibility and repetitive motions involving intense hamstring lengthening and contraction during sport. Although a popular intervention for muscular injury, there exists limited evidence of the effects of therapeutic cupping on hamstring flexibility. OBJECTIVE: To determine the effect of cupping therapy on hamstring flexibility in collegiate soccer players. DESIGN: Cohort design...
January 24, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29363053/is-platelet-rich-plasma-prp-effective-in-the-treatment-of-acute-muscle-injuries-a-systematic-review-and-meta-analysis
#11
REVIEW
Alberto Grassi, Francesca Napoli, Iacopo Romandini, Kristian Samuelsson, Stefano Zaffagnini, Christian Candrian, Giuseppe Filardo
BACKGROUND: Muscle lesions account for one-third of sport-related injuries, thus representing a substantial problem for both players and their teams. The use of platelet-rich plasma (PRP) injections is rapidly growing in clinical practice, prompted by an unmet clinical need with a large commercial market. However, after early reports of positive preliminary experience, higher quality studies recently questioned the real benefit provided by PRP injections to promote muscle healing and return to sport...
April 2018: Sports Medicine
https://www.readbyqxmd.com/read/29334292/safety-and-effectiveness-of-fascial-therapy-in-adult-patients-with-hemophilic-arthropathy-a-pilot-study
#12
Elena Donoso-Úbeda, Javier Meroño-Gallut, José Antonio López-Pina, Rubén Cuesta-Barriuso
BACKGROUND: The primary clinical manifestations of hemophilia are muscle and joint bleeding. Recurrent bleeding leads to a degenerative process known as hemophilic arthropathy. Fascial therapy is one of the most used physiotherapy techniques today to improve joint dysfunctions and chronic pain. OBJECTIVE: To assess the safety and efficacy of fascial therapy treatment in patients with hemophilic arthropathy of ankle and knee. DESIGN: Non-randomized, controlled clinical trial...
January 15, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29124077/can-a-clinical-examination-demonstrate-intramuscular-tendon-involvement-in-acute-hamstring-injuries
#13
Michel D Crema, Ali Guermazi, Gustaaf Reurink, Frank W Roemer, Mario Maas, Adam Weir, Maarten H Moen, Gert J Goudswaard, Johannes L Tol
Background: Involvement of the intramuscular (central) tendon in acute hamstring injuries, as detected on magnetic resonance imaging (MRI), may prolong recovery times. To date, it is unclear whether hamstring injuries exhibiting intramuscular tendon involvement can be identified though routine clinical examinations that assess flexibility and strength. Purpose: To test whether MRI-detected intramuscular tendon involvement could be identified by a clinical assessment of muscle strength and flexibility...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29114505/examining-and-comparing-the-health-and-performance-indices-of-university-undergraduate-students-according-to-year-of-study-and-gender
#14
Monday Omoniyi Moses, Francis Osei, Eric Juniour Appiah, Agnes Obour, Lady Gwendoline Akwa, Biggie Baffour-Awuah, Benjamin Asamoah, Peter Akwasi Sarpong, Caleb Adams, Rosario D'Onofrio
This study examined and compared, based on year of study and gender, the health and performance indices of university undergraduate students. Eighty-nine students (mean±standard deviation age, 22.47±2.22 years) were randomly selected for assessment prior to second semester examination of 2015/2016 academic year. body mass index, resting metabolic rate, visceral fat, skeletal muscle mass, body fat, systolic & diastolic blood pressure, resting heart rate, upper & lower body endurance, handgrip strength, and lower back and hamstring flexibility were assessed...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29072027/effect-of-stretching-based-rehabilitation-on-pain-flexibility-and-muscle-strength-in-dancers-with-hamstring-injury-a-single-blind-prospective-randomized-clinical-trial
#15
Giwon Kim, Hyangsun Kim, Woo K Kim, Junesun Kim
BACKGROUND: Hamstring injuries commonly occur in mainstream sports and occupations that involve physical activity. We evaluated the effect of a stretching-based rehabilitation program on pain, flexibility, and strength in dancers with hamstring injuries. METHODS: Sixteen Korean traditional dancers with unilateral hamstring injuries were included and randomly assigned to a rehabilitation or control group. The rehabilitation group received stretching-based rehabilitation for 8 weeks, which comprised simple static stretches and basic range of motion (ROM) exercises, such as static and active stretching, concentric and eccentric ROM training, and trunk stabilization exercises...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29054803/comparison-of-short-term-effects-of-mobilization-with-movement-and-kinesiotaping-on-pain-function-and-balance-in-patellofemoral-pain
#16
Serdar Demirci, Gizem Irem Kinikli, Michael J Callaghan, Volga Bayrakci Tunay
OBJECTIVE: The aim of this study was to compare the short-term effects of Mobilization with movement (MWM) and Kinesiotaping (KT) on patients with patellofemoral pain (PFP) respect to pain, function and balance. METHODS: Thirty-five female patients diagnosed with unilateral PFP were assigned into 2 groups. The first group (n = 18) received two techniques of MWM intervention (Straight Leg-Raise with Traction and Tibial Gliding) while KT was applied to the other group (n = 17)...
December 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29032593/association-analysis-of-the-actn3-r577x-polymorphism-with-passive-muscle-stiffness-and-muscle-strain-injury
#17
N Miyamoto, E Miyamoto-Mikami, K Hirata, N Kimura, N Fuku
Passive muscle stiffness is considered to be a major factor affecting joint flexibility and is thought to relate to the occurrence of muscle strain injury. In skinned muscle fiber experiments, the R577X polymorphism of the α-actinin-3 gene (ACTN3) has been associated with passive muscle stiffness. Our primary purpose was to clarify whether the ACTN3 R577X polymorphism influences passive stiffness of human muscle in vivo. We also examined whether the ACTN3 R577X polymorphism is associated with the occurrence of hamstring strain injury...
March 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29019743/injury-prevention-in-male-youth-soccer-current-practices-and-perceptions-of-practitioners-working-at-elite-english-academies
#18
Paul J Read, Pablo Jimenez, Jon L Oliver, Rhodri S Lloyd
Forty-one practitioners inclusive of physiotherapists, sports scientists and strength and conditioning coaches from the academies of elite soccer clubs in the United Kingdom completed an on-line questionnaire which examined their: (1) background information; (2) perceptions of injury occurrence and risk factors; (3) screening and return to play; and (4) approach to designing and delivering injury prevention programmes with a response rate of 55% (41/75). Contact injuries were the most common mechanism reported and players between 13-16 years of age were perceived to be at the greatest risk...
June 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29016479/the-effects-of-foam-rolling-as-a-recovery-tool-in-professional-soccer-players
#19
Ezequiel Rey, Alexis Padrón-Cabo, Pablo B Costa, Roberto Barcala-Furelos
Foam rolling (FR) is a common strategy used after training and competition by players. However, no previous studies have assessed the effectiveness of FR as recovery tool in sports populations. The aim of this study was to examine the effectiveness of FR (20 minutes of foam rolling exercises on quadriceps, hamstrings, adductors, gluteals, and gastrocnemius) and passive recovery (20 minutes sit on a bench) interventions performed immediately after a training session on Total Quality Recovery (TQR), perceived muscle soreness, jump performance, agility, sprint, and flexibility 24 hours after the training...
October 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28884093/hamstring-injuries-update-article
#20
Lucio Ernlund, Lucas de Almeida Vieira
Hamstring (HS) muscle injuries are the most common injury in sports. They are correlated to long rehabilitations and have a great tendency to recur. The HS consist of the long head of the biceps femoris, semitendinosus, and semimembranosus. The patient's clinical presentation depends on the characteristics of the lesion, which may vary from strain to avulsions of the proximal insertion. The most recognized risk factor is a previous injury. Magnetic resonance imaging is the method of choice for the injury diagnosis and classification...
June 2017: Revista Brasileira de Ortopedia
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