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General sports medicine

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311 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
https://www.readbyqxmd.com/read/28970200/wearable-physiological-systems-and-technologies-for-metabolic-monitoring
#1
Wei Gao, George A Brooks, David C Klonoff
Wearable sensors allow continuous monitoring of metabolites for diabetes, sports medicine, exercise science, and physiology research. These sensors can continuously detect target analytes in skin interstitial fluid (ISF), tears, saliva, and sweat. In this review, we will summarize developments on wearable devices and their potential applications in research, clinical practice, and recreational and sporting activities. Sampling skin ISF can require insertion of a needle into the skin, whereas sweat, tears, and saliva can be sampled by devices worn outside the body...
September 28, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29019089/exercise-and-the-cortisol-awakening-response-a-systematic-review
#2
REVIEW
Travis Anderson, Laurie Wideman
BACKGROUND: The cortisol awakening response (CAR) has been used as a biomarker of stress response in a multitude of psychological investigations. While a myriad of biochemical responses have been proposed to monitor responses to exercise training, the use of CAR within the exercise and sports sciences is currently limited and is a potentially underutilized variable. Therefore, the purpose of this review was to collate studies that incorporate both exercise and CAR, in an effort to better understand (a) whether CAR is a useful marker for monitoring exercise stress and (b) how CAR may be most appropriately used in future research...
October 10, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29068603/differences-in-echocardiography-blood-pressure-stroke-volume-maximal-power-and-profile-of-genes-related-to-cardiac-hypertrophy-in-elite-road-cyclists
#3
Grażyna Janikowska, Aleksandra Żebrowska, Aleksandra Kochańska-Dziurowicz, Urszula Mazurek
BACKGROUND: Regular and moderate exercise is beneficial for improving the efficiency of the heart, but high-intensity physical activity may result in cardiac changes. OBJECTIVES: This study focuses on the identification of the differences in echocardiography and blood variables before exercise, as well as the genes associated with cardiac hypertrophy at rest and in response to graded exercise test. MATERIAL AND METHODS: The study group was made up of 28 road cyclists...
September 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29077022/effects-of-creatine-supplementation-on-muscle-strength-and-optimal-individual-post-activation-potentiation-time-of-the-upper-body-in-canoeists
#4
Chia-Chi Wang, Shu-Cheng Lin, Shu-Ching Hsu, Ming-Ta Yang, Kuei-Hui Chan
Creatine supplementation reduces the impact of muscle fatigue on post-activation potentiation (PAP) of the lower body, but its effects on the upper body remain unknown. This study examined the effects of creatine supplementation on muscle strength, explosive power, and optimal individual PAP time of the upper body during a set of complex training bouts in canoeists. Seventeen male high school canoeists performed a bench row for one repetition at maximum strength and conducted complex training bouts to determine the optimal individual timing of PAP and distance of overhead medicine ball throw before and after the supplementation...
October 27, 2017: Nutrients
https://www.readbyqxmd.com/read/29079458/bilateral-extracephalic-transcranial-direct-current-stimulation-improves-endurance-performance-in-healthy-individuals
#5
L Angius, A R Mauger, J Hopker, A Pascual-Leone, E Santarnecchi, S M Marcora
BACKGROUND: Transcranial direct current stimulation (tDCS) has been used to enhance endurance performance but its precise mechanisms and effects remain unknown. OBJECTIVE: To investigate the effect of bilateral tDCS on neuromuscular function and performance during a cycling time to task failure (TTF) test. METHODS: Twelve participants in randomized order received a placebo tDCS (SHAM) or real tDCS with two cathodes (CATHODAL) or two anodes (ANODAL) over bilateral motor cortices and the opposite electrode pair over the ipsilateral shoulders...
October 5, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29022275/volume-for-muscle-hypertrophy-and-health-outcomes-the-most-effective-variable-in-resistance-training
#6
Vandré Casagrande Figueiredo, Belmiro Freitas de Salles, Gabriel S Trajano
Resistance training is the most effective method to increase muscle mass. It has also been shown to promote many health benefits. Although it is deemed safe and of clinical relevance for treating and preventing a vast number of diseases, a time-efficient and minimal dose of exercise has been the focus of a great number of research studies. Similarly, an inverted U-shaped relationship between training dose/volume and physiological response has been hypothesized to exist. However, the majority of available evidence supports a clear dose-response relationship between resistance training volume and physiological responses, such as muscle hypertrophy and health outcomes...
October 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29023326/combined-effects-of-static-stretching-and-electrical-stimulation-on-joint-range-of-motion-and-muscle-strength
#7
Takamasa Mizuno
The purpose of this study was to examine the effects of the combination of static stretching (SS) and electrical stimulation (ES) for 8 weeks on joint range of motion (ROM), muscle strength, and muscle architecture. Thirty-one subjects were divided into three groups: the SS combined with ES (SS+ES) group, SS group, or control group. The SS+ES group performed calf stretching simultaneously with ES to the gastrocnemius medialis, while the SS group performed calf stretching only. The training regimen consisted of four 30 sec sets of stretching, with 30 sec rest intervals, 3 days per week for 8 weeks...
October 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28937849/neurodynamic-mobilization-in-a-collegiate-long-jumper-with-exercise-induced-lateral-leg-and-ankle-pain-a-case-report
#8
Terry Cox, Tom Sneed, Herb Hamann
STUDY DESIGN: Case Report. BACKGROUND: The purpose of this case report is to describe nerve mobilization in the treatment of lower extremity neuropathic pain in a female collegiate long jumper. CASE DESCRIPTION: A 21 year-old long jumper presented 7 months after onset of ankle and leg pain. She complained of "aching" pain over the lateral ankle, radiating proximally to just superior to the lateral knee. Neurodynamic testing of the sural and superficial branch of the fibular nerves was positive...
September 22, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28189997/musculoskeletal-dysfunctions-associated-with-swimmers-shoulder
#9
REVIEW
Filip Struyf, Angela Tate, Kevin Kuppens, Stef Feijen, Lori A Michener
Shoulder pain is the most reported area of orthopaedic injury in swimmers. The so-called 'swimmers' shoulder' has been applied to a variety of complaints involving shoulder pain in swimmers without specific reference to contributing mechanisms or structures. Knowledge of dysfunctions associated with swimmers' shoulder can assist clinicians in developing rehabilitation strategies. This literature review aims at providing clinicians insight into the musculoskeletal mechanisms and impairments associated with swimmers' shoulder that could aid them in developing rehabilitation strategies...
May 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28931991/the-treatment-effect-of-hamstring-stretching-and-nerve-mobilization-for-patients-with-radicular-lower-back-pain
#10
Ju-Hyun Lee, Tae-Ho Kim
[Purpose] In this paper, hamstring stretching and nerve mobilization are conducted on patients with radicular lower back pain, and changes to pain levels, pressure thresholds, angles of knee joint extension, and disorder levels of lower back pain were studied. [Subjects and Methods] The subjects were divided into two groups: one group conducted hamstring stretches and was comprised of 6 male and 5 female subjects, and the other group received nerve mobilization treatment and was comprised of 5 male and 6 female subjects...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28931976/effectiveness-of-dry-needling-versus-a-classical-physiotherapy-program-in-patients-with-chronic-low-back-pain-a-single-blind-randomized-controlled-trial
#11
Emİne Handan Tüzün, Sıla Gıldır, Ender Angın, Büşra Hande Tecer, Kezban Öztürk Dana, Mehtap Malkoç
[Purpose] We compared the effectiveness of dry needling with a classical physiotherapy program in patients with chronic low-back pain caused by lumbar disc hernia (LHNP). [Subjects and Methods] In total, 34 subjects were allocated randomly to the study (n=18) and control groups (n=16). In the study group, dry needling was applied using acupuncture needles. The control group performed a home exercise program in addition to hot pack, TENS, and ultrasound applications. Pain was assessed with the short form of the McGill Pain Questionnaire...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28934633/association-of-low-back-pain-with-muscle-stiffness-and-muscle-mass-of-the-lumbar-back-muscles-and-sagittal-spinal-alignment-in-young-and-middle-aged-medical-workers
#12
Mitsuhiro Masaki, Tomoki Aoyama, Takashi Murakami, Ko Yanase, Xiang Ji, Hiroshige Tateuchi, Noriaki Ichihashi
BACKGROUND: Muscle stiffness of the lumbar back muscles in low back pain (LBP) patients has not been clearly elucidated because quantitative assessment of the stiffness of individual muscles was conventionally difficult. This study aimed to examine the association of LBP with muscle stiffness assessed using ultrasonic shear wave elastography (SWE) and muscle mass of the lumbar back muscle, and spinal alignment in young and middle-aged medical workers. METHODS: The study comprised 23 asymptomatic medical workers [control (CTR) group] and 9 medical workers with LBP (LBP group)...
November 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28902756/sacroiliac-joint-dysfunction-in-the-athlete-diagnosis-and-management
#13
Rebecca Peebles, Christopher E Jonas
Sacroiliac joint (SIJ) dysfunction is a common cause of low back pain in the athlete, especially in sports with repetitive, asymmetric loading. Complex anatomy and broad pain referral pattern make diagnosis difficult. Identifying three or more positive physical examination maneuvers for the SIJ improves examination sensitivity and specificity. Imaging is rarely helpful in establishing the diagnosis but is often used to rule out other pathology. Conservative management with activity modification, medication, physical therapy, manipulation and bracing is first line treatment...
September 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28776086/the-mechanisms-of-action-of-metformin
#14
REVIEW
Graham Rena, D Grahame Hardie, Ewan R Pearson
Metformin is a widely-used drug that results in clear benefits in relation to glucose metabolism and diabetes-related complications. The mechanisms underlying these benefits are complex and still not fully understood. Physiologically, metformin has been shown to reduce hepatic glucose production, yet not all of its effects can be explained by this mechanism and there is increasing evidence of a key role for the gut. At the molecular level the findings vary depending on the doses of metformin used and duration of treatment, with clear differences between acute and chronic administration...
August 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/28895622/sciatic-nerve-conductivity-is-impaired-by-hamstring-strain-injuries
#15
Karina Kouzaki, Koichi Nakazato, Masuhiko Mizuno, Tooru Yonechi, Yusuke Higo, Yoshiaki Kubo, Tokuyoshi Kono, Kenji Hiranuma
The aim of this study was to assess sciatic nerve conductivity in athletes with a history of hamstring strain injuries. Twenty-seven athletes with a history of hamstring strain injuries were included in the injured group. The control group consisted of 16 uninjured participants. We measured the proximal and distal latencies and calculated the sciatic nerve conduction velocity to evaluate neuronal conductivity. The results were expressed as median values and interquartile ranges. Both proximal latency and distal latency of the injured limb in the injured group were significantly longer than those of the uninjured limb (p<0...
October 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28921683/corticospinal-responses-following-strength-training-a-systematic-review-and-meta-analysis
#16
REVIEW
Dawson J Kidgell, Daniel R Bonanno, Ashlyn K Frazer, Glyn Howatson, Alan J Pearce
Strength training results in changes in skeletal muscle; however, changes in the central nervous system also occur. Over the last 15 years, non-invasive brain stimulation techniques, such as transcranial magnetic stimulation, have been used to study the neural adaptations to strength training. This review explored the hypothesis that the neural adaptations to strength training may be due to changes in corticospinal excitability and inhibition and, such changes, contribute to the gain in strength following strength training...
September 18, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28900862/the-influence-of-growth-and-maturation-on-stretch-shortening-cycle-function-in-youth
#17
REVIEW
John M Radnor, Jon L Oliver, Charlie M Waugh, Gregory D Myer, Isabel S Moore, Rhodri S Lloyd
Hopping, skipping, jumping and sprinting are common tasks in both active play and competitive sports. These movements utilise the stretch-shortening cycle (SSC), which is considered a naturally occurring muscle action for most forms of human locomotion. This muscle action results in more efficient movements and helps optimise relative force generated per motor unit recruited. Innate SSC development throughout childhood and adolescence enables children to increase power (jump higher and sprint faster) as they mature...
September 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28912731/long-term-athletic-development-in-youth-alpine-ski-racing-the-effect-of-physical-fitness-ski-racing-technique-anthropometrics-and-biological-maturity-status-on-injuries
#18
Lisa Müller, Carolin Hildebrandt, Erich Müller, Christian Fink, Christian Raschner
Alpine ski racing is known to be a sport with a high risk of injuries. Because most studies have focused mainly on top-level athletes and on traumatic injuries, limited research exists about injury risk factors among youth ski racers. The aim of this study was to determine the intrinsic risk factors (anthropometrics, biological maturity, physical fitness, racing technique) for injury among youth alpine ski racers. Study participants were 81 youth ski racers attending a ski boarding school (50 males, 31 females; 9-14 years)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28916931/physical-exercise-prescription-in-metabolic-chronic-disease
#19
Laura Stefani, Giorgio Galanti
Metabolic syndrome as a consequence of the association to overweight, hypertension, and diabetes is at high risk of coronary events. Regular physical training has been recently promoted to reduce cardiovascular risks factors, by the improved lifestyle and also by the "anti-inflammatory effectiveness." A positive impact has been shown in case of cancer survived patients either with or without comorbidities and especially in those subjects where the inflammatory process is globally represented. The American College of Sports Medicine (ACSM) guidelines and more recently a new Italian model both support the role of "exercise as therapy" at moderate level of energy expenditure...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/26618058/current-concepts-of-plyometric-exercise
#20
George Davies, Bryan L Riemann, Robert Manske
As knowledge regarding rehabilitation science continues to increase, exercise programs following musculoskeletal athletic injury continue to evolve. Rehabilitation programs have drastically changed, especially in the terminal phases of rehabilitation, which include performance enhancement, development of power, and a safe return to activity. Plyometric exercise has become an integral component of late phase rehabilitation as the patient nears return to activity. Among the numerous types of available exercises, plyometrics assist in the development of power, a foundation from which the athlete can refine the skills of their sport...
November 2015: International Journal of Sports Physical Therapy
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