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General sports medicine

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387 papers 100 to 500 followers Myofascial pain, use of contemporary medical acupuncture in Sports Medicine and miofascial complaints, and general Sports medicine
By Hugo Silva Pinto Sports medicine MD, neuromuscular pain and dysfunctions private practice
Ashlyn K Frazer, Glyn Howatson, Juha P Ahtiainen, Janne Avela, Timo Rantalainen, Dawson J Kidgell
Frazer, AK, Howatson, G, Ahtiainen, JP, Avela, J, Rantalainen, T, and Kidgell, DJ. Priming the motor cortex with anodal transcranial direct current stimulation affects the acute inhibitory corticospinal responses to strength training. J Strength Cond Res 33(2): 307-317, 2019-Synaptic plasticity in the motor cortex (M1) is associated with strength training (ST) and can be modified by transcranial direct current stimulation (tDCS). The M1 responses to ST increase when anodal tDCS is applied during training due to gating...
February 2019: Journal of Strength and Conditioning Research
Bruno Bordoni, Marta Simonelli
Fascia is a cacophony of functions and information, a completely adaptable entropy complex. The fascial system has a solid and a liquid component, acting in a perfect symbiotic synchrony. Each cell communicates with the other cells by sending and receiving signals; this concept is a part of quantum physics and it is known as quantum entanglement: a physical system cannot be described individually, but only as a juxtaposition of multiple systems, where the measurement of a quantity determines the value for other systems...
October 1, 2018: Curēus
Luana Colloca, Nicole Corsi, Mirta Fiorio
Over the last few decades, placebo, and nocebo effects in general, have been investigated at rest. This proposed study explores whether they could work even when the experience of pain occurs during a movement. Exercise itself can have a hypoalgesic effect, suggesting that placebo- and exercise-induced hypoalgesia could foster pain reduction. In the present study, we investigated the interplay of exercise, placebo and nocebo effects on pain. To this aim, we developed a machine-controlled isotonic motor task to standardize the exercise across participants and used a well-validated model of placebo and nocebo manipulations with reinforced expectations via a conditioning procedure including visual cues paired with heat painful stimulations...
October 3, 2018: Scientific Reports
Yutaka Yabe, Yoshihiro Hagiwara, Takuya Sekiguchi, Haruki Momma, Masahiro Tsuchiya, Kaoru Kuroki, Kenji Kanazawa, Masashi Koide, Nobuyuki Itaya, Shinichirou Yoshida, Yasuhito Sogi, Toshihisa Yano, Eiji Itoi, Ryoichi Nagatomi
PURPOSE: Considerable research has focused on shoulder and elbow injuries among baseball players; however, although lumbar spine and knee injuries are commonly experienced, they are less frequently studied. During common motions in baseball, such as throwing, hitting, and running, energy is transferred from the lower extremities through the lower back to the upper body. Lower extremity pain, as well as lower back pain (LBP), can disrupt the kinematic chain, and it is important to understand the association between lower extremity complaints and LBP...
September 7, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Ryan R Ramsook, Gerard A Malanga
Low back pain is a common condition that is encountered by both primary care physicians as well as various specialists, which include: orthopedic surgeons, physical medicine and rehabilitation specialists, neurologists, rheumatologists, and pain management specialists. Associated muscular pain is very common and often a reactive response from nociception from other structures. Myofascial pain may arise, which is characterized by the presence of myofascial trigger points (MTrPs) that are located in fascia, tendons, and/or muscle...
October 2012: Current Pain and Headache Reports
Kathleen A Sluka, James M O'Donnell, Jessica Danielson, Lynn A Rasmussen
Chronic musculoskeletal pain is a significant health problem and is associated with increases in pain during acute physical activity. Regular physical activity is protective against many chronic diseases; however, it is unknown if it plays a role in development of chronic pain. The current study induced physical activity by placing running wheels in home cages of mice for 5 days or 8 wk and compared these to sedentary mice without running wheels in their home cages. Chronic muscle pain was induced by repeated intramuscular injection of pH 4...
March 15, 2013: Journal of Applied Physiology
Akinori Kaneguchi, Junya Ozawa, Hideki Moriyama, Kaoru Yamaoka
It is unknown how joint contracture is generated in inflamed joints. This study aimed to clarify the role of nociception on the formation of joint contracture secondary to arthritis. Monoarthritis was induced by intra-articular injections of complete Freund's adjuvant (CFA) into rat knees. On day 5 after CFA injection, the passive extension range of motion (ROM) of knee joints were measured, both before and after myotomy of knee flexors, to evaluate the extent of muscular contribution to CFA-induced joint contracture...
July 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Bertrand Sonnery-Cottet, Adnan Saithna, Benedicte Quelard, Matt Daggett, Amrut Borade, Hervé Ouanezar, Mathieu Thaunat, William G Blakeney
OBJECTIVE: To determine whether reported therapeutic interventions for arthrogenic muscle inhibition (AMI) in patients with ACL injuries, following ACL reconstruction, or in laboratory studies of AMI, are effective in improving quadriceps activation failure when compared with standard therapy in control groups. DESIGN: A scoping review of the efficacy of interventions was conducted in accordance with the methodological framework of Arksey and O'Malley and the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
September 7, 2018: British Journal of Sports Medicine
Grant E Norte, Jay Hertel, Susan A Saliba, David R Diduch, Joseph M Hart
CONTEXT: Relationships between quadriceps function and patient-reported outcomes after anterior cruciate ligament reconstruction (ACLR) are variable and may be confounded by including patients at widely different time points after surgery. Understanding these relationships during the clinically relevant phases of recovery may improve our knowledge of specific factors that influence clinical outcomes. OBJECTIVE: To identify the relationships between quadriceps function and patient-reported outcomes in patients <2 years (early) and >2 years (late) after ACLR, including those with posttraumatic knee osteoarthritis...
October 2018: Journal of Athletic Training
Daan T van Yperen, Duncan E Meuffels, Max Reijman
No abstract text is available yet for this article.
September 2018: American Journal of Sports Medicine
Florian Giesche, Tobias Engeroff, Jan Wilke, Daniel Niederer, Lutz Vogt, Winfried Banzer
INTRODUCTION: Current evidence suggests that the loss of mechanoreceptors after anterior cruciate ligament (ACL) tears might be compensated by increased cortical motor planning. This occupation of cerebral resources may limit the potential to quickly adapt movements to unforeseen external stimuli in the athletic environment. To date, studies investigating such neural alterations during movement focused on simple, anticipated tasks with low ecological validity. This trial, therefore, aims to investigate the cortical and biomechanical processes associated with more sport-related and injury-related movements in ACL-reconstructed individuals...
September 19, 2018: BMJ Open
Ivanna V Sakhanda, Kostyantyn L Kosyachenko
OBJECTIVE: Introduction: Medicinal plants are an effective means of prevention of many cardiovascular diseases in high-risk groups. Also, they are often used as a means of adjuvant therapy. Centuries of experience in the use of medicinal plants in folk medicine is the result of their relatively high efficiency and their wide distribution in natural ecosystems, and sometimes close to human habitation. The aim of this work is to study the assortment of herbal medicinal products and to consider examples of the basic methods of treatment of cardiovascular diseases with medicinal plants...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Mohamad Shariff A Hamid
INTRODUCTION: Despite limited clinical evidence, platelet-rich plasma (PRP) is currently used for the treatment of various soft tissue injuries, but optimal use of PRP has yet to be determined. In many instances, PRP is prepared using commercial devices that lack standardized preparation techniques and consistent quality of the PRP produced. OBJECTIVE: The aim of this study is to explore a simple, easy, economical method of PRP preparation that is practical for clinical use...
July 2018: Wounds: a Compendium of Clinical Research and Practice
John J Leddy, Mohammad N Haider, Michael Ellis, Barry S Willer
Sport-related concussion (SRC) is a physiological brain injury that produces cerebral and systemic effects, including exercise intolerance. Exercise intolerance after concussion is believed to be the result of autonomic nervous system (ANS) dysfunction. Ventilation is inappropriately low for the level of exercise intensity, raising arterial carbon dioxide (PaCO2) levels. Elevated PaCO2 increases cerebral blood flow (CBF) out of proportion to exercise intensity, which is associated with symptoms that limit exercise performance...
August 2018: Current Sports Medicine Reports
A T Kicman
Athletes and bodybuilders have recognized for several decades that the use of anabolic steroids can promote muscle growth and strength but it is only relatively recently that these agents are being revisited for clinical purposes. Anabolic steroids are being considered for the treatment of cachexia associated with chronic disease states, and to address loss of muscle mass in the elderly, but nevertheless their efficacy still needs to be demonstrated in terms of improved physical function and quality of life...
June 2008: British Journal of Pharmacology
Ouppatham Supasyndh, Bancha Satirapoj, Pornanong Aramwit, Duangkamol Viroonudomphol, Amnart Chaiprasert, Vipa Thanachatwej, Supat Vanichakarn, Joel D Kopple
BACKGROUND AND OBJECTIVES: Sarcopenia is common in hemodialysis patients. This study examined whether the anabolic steroid oxymetholone improves muscle mass and handgrip strength in hemodialysis patients and possible mechanisms that might engender such changes. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Forty-three eligible hemodialysis patients were randomly assigned to ingest oxymetholone or placebo for 24 weeks. Body composition, handgrip strength, and quality of life were measured during the study...
February 2013: Clinical Journal of the American Society of Nephrology: CJASN
Kusuma Boregowda, Lisa Joels, Jeffrey W Stephens, David E Price
OBJECTIVE: To report a case of primary gonadal failure due to the chronic abuse of anabolic steroids used for bodybuilding. DESIGN: Case report. SETTING: Department of Diabetes and Endocrinology, Morriston Hospital, Swansea, Wales, United Kingdom. PATIENT(S): A 40-year-old man. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Clinical symptoms, levels of serum T, FSH, and LH...
July 2011: Fertility and Sterility
Stephanie Mosler, Carlos Pankratz, Alexis Seyfried, Marion Piechotta, Patrick Diel
There is increasing evidence that the biological activity of myostatin (MSTN), a negative regulator of muscle growth, is affected by training but also anabolic steroids. In this study, we analyzed the effects of the frequently abused anabolic steroid methandienone (Md) on the hypothalamic-pituitary-testicular axis and androgen-sensitive tissues in intact rats performing a treadmill training to simulate the situation of abusing athletes. The anabolic effects were correlated with the expression of members of the MSTN signaling cascade...
January 2012: Archives of Toxicology
Alessio Gallina, Sauro E Salomoni, Leanne M Hall, Kylie Tucker, S Jayne Garland, Paul W Hodges
Movement is changed in pain, but the mechanisms remain unclear. Key questions are unresolved such as whether activation can be inhomogeneously distributed within a muscle in a manner that is specific to the location of noxious input. This study addressed this question using high-density electromyography (EMG) to study regional redistribution of muscle activation within the vasti muscles and changes in knee extension force direction in response to noxious stimulation applied to muscular and nonmuscular tissues around the knee...
November 2018: Pain
M T Berninger, J Friederichs, W Leidinger, P Augat, V Bühren, C Fulghum, W Reng
BACKGROUND: Postoperative pain control and enhanced mobilization, muscle strength and range of motion following total knee arthroplasty (TKA) are pivotal requisites to optimize rehabilitation and early recovery. The aim of the study was to analyze the effect of local infiltration analgesia (LIA), peripheral nerve blocks, general and spinal anesthesia on early functional recovery and pain control in primary total knee arthroplasty. METHODS: Between January 2016 until August 2016, 280 patients underwent primary TKA and were subdivided into four groups according to their concomitant pain and anesthetic procedure with catheter-based techniques of femoral and sciatic nerve block (group GA&FNB, n = 81) or epidural catheter (group SP&EPI, n = 51) in combination with general anesthesia or spinal anesthesia, respectively, and LIA combined with general anesthesia (group GA&LIA, n = 86) or spinal anesthesia (group SP&LIA, n = 61)...
July 18, 2018: BMC Musculoskeletal Disorders
2018-07-25 20:11:54
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