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Recovery, Performance, Athlete

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https://www.readbyqxmd.com/read/29787697/rehabilitation-practice-patterns-following-anterior-cruciate-ligament-reconstruction-a-survey-of-physical-therapists
#1
Elliot M Greenberg, Eric T Greenberg, Jeffrey Albaugh, Eileen Storey, Theodore J Ganley
Study Design Cross-sectional survey. Background Recovery from anterior cruciate ligament reconstruction (ACLR) requires an intensive course of post-operative rehabilitation. Although guidelines outlining evidence-based rehabilitation recommendations have been published, the actual practice patterns of physical therapists are unknown. Objectives To analyze the current landscape of clinical practice as it pertains to rehabilitation progression and the use of time and objective criteria following ACLR. Methods An online survey was distributed to members of the orthopaedics, sports and private practice sections of the American Physical Therapy Association (APTA) between January and March 2017...
May 22, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29783763/integrated-framework-of-load-monitoring-by-a-combination-of-smartphone-applications-wearables-and-point-of-care-testing-provides-feedback-that-allows-individual-responsive-adjustments-to-activities-of-daily-living
#2
Peter Düking, Silvia Achtzehn, Hans-Christer Holmberg, Billy Sperlich
Athletes schedule their training and recovery in periods, often utilizing a pre-defined strategy. To avoid underperformance and/or compromised health, the external load during training should take into account the individual's physiological and perceptual responses. No single variable provides an adequate basis for planning, but continuous monitoring of a combination of several indicators of internal and external load during training, recovery and off-training as well may allow individual responsive adjustments of a training program in an effective manner...
May 19, 2018: Sensors
https://www.readbyqxmd.com/read/29782463/gut-microbiota-probiotics-and-sport-from-clinical-evidence-to-agonistic-performance
#3
Marco Pane, Angela Amoruso, Francesca Deidda, Teresa Graziano, Serena Allesina, Luca Mogna
Human beings harbor clusters of bacteria in different parts of the body, such as the surface or the deep layers of the skin, the mouth, the lungs, the intestine, the vagina, and all the surfaces exposed to the outer world. The majority of microbes resides in the gut, have a weighty influence on human physiology and nutrition and are vital for human life. There is growing evidence showing that the gut microbiota plays important roles in the maturation of the immune system and the protection against some infectious agents...
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29781940/alpha-actinin-3-r577x-polymorphism-influences-muscle-damage-and-hormonal-responses-after-a-soccer-game
#4
Daniel B Coelho, Eduardo M Pimenta, Izinara C Rosse, Christiano Veneroso, Guilherme De Azambuja Pussieldi, Lenice K Becker, Emerson C Oliveira, Maria R S Carvalho, Emerson Silami-Garcia
Coelho, DB, Pimenta, EM, Rosse, IC, Veneroso, C, Pussieldi, GDA, Becker, LK, De Oliveira, EC, Carvalho, MRS, and Silami-Garcia, E. Alpha-actinin-3 R577X polymorphism influences muscle damage and hormonal responses after a soccer game. J Strength Cond Res XX(X): 000-000, 2018-The purpose of this study was to evaluate indicators of muscle damage and hormonal responses after soccer matches and its relation to alpha-actinin-3 (ACTN3) gene expression (XX vs. RR/RX), considering that the R allele produces alpha-actinin-3 and provides greater muscle strength and power...
May 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29780839/comparison-of-lower-extremity-recovery-after-anterior-cruciate-ligament-reconstruction-with-transphyseal-hamstring-versus-extraphyseal-iliotibial-band-techniques-in-skeletally-immature-athletes
#5
Dai Sugimoto, Benton E Heyworth, Sara E Collins, Ryan T Fallon, Mininder S Kocher, Lyle J Micheli
Background: The influence of graft type on recovery after anterior cruciate ligament reconstruction (ACLR) has not been adequately studied in pediatric patients. Purpose: To describe lower extremity functional recovery parameters at the 6-month mark after ACLR across 3 distinct groups of skeletally immature patients: pediatric male patients with transphyseal hamstring grafts (PM-HS), pediatric female patients with transphyseal hamstring grafts (PF-HS), and pediatric male patients with extraphyseal iliotibial band grafts (PM-ITB)...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775989/higher-accuracy-of-the-lactate-minimum-test-compared-to-established-threshold-concepts-to-determine-maximal-lactate-steady-state-in-running
#6
Patrick Wahl, Lukas Zwingmann, Christian Manunzio, Jacob Wolf, Wilhelm Bloch
This study evaluated the accuracy of the lactate minimum test, in comparison to a graded-exercise test and established threshold concepts (OBLA and mDmax) to determine running speed at maximal lactate steady state. Eighteen subjects performed a lactate minimum test, a graded-exercise test (2.4 m·s-1 start,+0.4 m·s-1 every 5 min) and 2 or more constant-speed tests of 30 min to determine running speed at maximal lactate steady state. The lactate minimum test consisted of an initial lactate priming segment, followed by a short recovery phase...
May 18, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29762156/preliminary-use-of-the-physical-and-neurological-examination-of-subtle-signs-for-detecting-subtle-motor-signs-in-adolescents-with-sport-related-concussion
#7
Jaclyn A Stephens, Martha B Denckla, Teri McCambridge, Beth S Slomine, E Mark Mahone, Stacy J Suskauer
Sensitive examination tools are needed to optimize evaluation after sports-related concussion. The Physical and Neurological Examination of Subtle Signs was preliminarily examined for sensitivity to motor changes in a pilot cohort of adolescents aged 13-17 yrs with sports-related concussion. A total of 15 adolescents (5 female adolescents) with sports-related concussion were evaluated up to three times: within 2 wks of injury, approximately 1 mo later (mean, 35 days between visits), and for those not recovered at the second visit, again after clinical recovery (mean, 70 days between the first and last visits for all participants)...
June 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29758055/active-recovery-affects-the-recovery-of-the-corticospinal-system-but-not-of-muscle-contractile-properties
#8
Louis-Solal Giboin, Ehsan Amiri, Raphael Bertschinger, Markus Gruber
PURPOSE: Active recovery is often used by athletes after strenuous exercise or competition but its underlying mechanisms are not well understood. We hypothesized that active recovery speeds-up recovery processes within the muscle and the central nervous system (CNS). METHODS: We assessed muscular and CNS recovery by measuring the voluntary activation (VA) in the vastus lateralis muscle with transcranial magnetic stimulation (VATMS) and peripheral nerve stimulation (VAPNS) during maximal voluntary contractions (MVC) of the knee extensors in 11 subjects...
2018: PloS One
https://www.readbyqxmd.com/read/29746639/branched-chain-amino-acids-are-the-primary-limiting-amino-acids-in-the-diets-of-endurance-trained-men-after-a-bout-of-prolonged-exercise
#9
Hiroyuki Kato, Katsuya Suzuki, Makoto Bannai, Daniel R Moore
Background: The indicator amino acid oxidation (IAAO) method estimates the protein intake required to maximize whole-body protein synthesis and identify the daily protein requirement in a variety of populations. However, it is unclear whether the greater requirements for endurance athletes previously determined by the IAAO reflect an increased demand for all or only some amino acids. Objective: The aim of this study was to determine the primary rate-limiting amino acids in endurance-trained athletes after prolonged exercise, by measuring the oxidation of ingested [1-13C]phenylalanine in response to variable amino acid intake...
May 9, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29745787/time-trial-performance-in-world-class-speed-skaters-after-chronic-nitrate-ingestion
#10
Philippe Richard, Lymperis P Koziris, Mathieu Charbonneau, Catherine Naulleau, Jonathan Tremblay, François Billaut
PURPOSE: Nitrate supplementation can increase tolerance to high-intensity work rates, however limited data exist on the recovery of performance. We tested whether 5 days of nitrate supplementation could improve repeated time-trial performance in speed skating. METHODS: Using a double-blind, placebo-controlled, crossover design, 9 international-level short-track speed skaters ingested one high (juice blend, ~6.5mmol nitrate; HI) or low dose (juice blend, ~1mmol nitrate; LO) per day on days 1-4...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29742750/a-systematic-review-on-the-effectiveness-of-active-recovery-interventions-on-athletic-performance-of-professional-collegiate-and-competitive-level-adult-athletes
#11
Robert O Ortiz, Amanda J Sinclair Elder, Craig L Elder, J Jay Dawes
OrtizJr, RO, Sinclair Elder, AJ, Elder, CL, and Dawes, JJ. A systematic review on the effectiveness of active recovery interventions on athletic performance of professional-, collegiate-, and competitive-level adult athletes. J Strength Cond Res XX(X): 000-000, 2018-Active recovery (AR) is a popular approach to enhancing athlete recovery from participation through physical action, and it has a perceived benefit in the recovery of athletes' enhancement of postexertional physiological status; however, it is unclear whether these recovery techniques enhance athletic performance...
May 8, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29721339/the-effect-of-therapeutic-exercise-on-long-standing-adductor-related-groin-pain-in-athletes-modified-h%C3%A3-lmich-protocol
#12
Abbas Yousefzadeh, Azadeh Shadmehr, Gholam Reza Olyaei, Nasrin Naseri, Zahra Khazaeipour
Objective: The Hölmich protocol in therapeutic exercise is the most appropriate method for the treatment of long-standing adductor-related groin pain (LSAGP). Herein, we evaluated a modified Hölmich protocol to resolve the possible limitations intrinsic to the Hölmich protocol in terms of the rate of return to sport and the recovery period for athletes with LSAGP. Design: The study followed a single-blind, before/after study design, where 15 athletes with LSAGP (mean age = 26...
2018: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/29720949/active-recovery-after-high-intensity-interval-training-does-not-attenuate-training-adaptation
#13
Thimo Wiewelhove, Christoph Schneider, Alina Schmidt, Alexander Döweling, Tim Meyer, Michael Kellmann, Mark Pfeiffer, Alexander Ferrauti
Objective: High-intensity interval training (HIIT) can be extremely demanding and can consequently produce high blood lactate levels. Previous studies have shown that lactate is a potent metabolic stimulus, which is important for adaptation. Active recovery (ACT) after intensive exercise, however, enhances blood lactate removal in comparison with passive recovery (PAS) and, consequently, may attenuate endurance performance improvements. Therefore, the aim of this study was to examine the influence of regular ACT on training adaptations during a HIIT mesocycle...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29698457/rapid-weight-reduction-does-not-impair-athletic-performance-of-taekwondo-athletes-a-pilot-study
#14
Woo-Hwi Yang, Oliver Heine, Marijke Grau
In combat sports such as taekwondo (TKD), athletes rapidly reduce body weight to achieve a desired weight category. Competition takes place 16-24 h after weigh-in and thus, the recovery time is an important factor for competition performance. The purpose of this study was to investigate the impact of rapid weight reduction (RWR) on athletic performance and associated hemorheological properties considering relevant recovery time. Five male TKD athletes reduced body weight by 5% within 3½ days. A simulated competition day (SCD) was carried out after a 16 h recovery period...
2018: PloS One
https://www.readbyqxmd.com/read/29686813/resting-sympatho-vagal-balance-is-related-to-10-km-running-performance-in-master-endurance-athletes
#15
Angelo Cataldo, Antonino Bianco, Antonio Paoli, Dario Cerasola, Saverio Alagna, Giuseppe Messina, Daniele Zangla, Marcello Traina
Relationships between heart rate recovery after exercise (HRR, baseline heart rate variability measures (HRV), and time to perform a 10Km running trial (t10Km) were evaluated in "master" athletes of endurance to assess whether the measured indexes may be useful for monitoring the training status of the athletes. Ten "master" athletes of endurance, aged 40-60 years, were recruited. After baseline measures of HRV, the athletes performed a graded maximal test on treadmill and HRR was measured at 1 and 2 minutes from recovery...
January 12, 2018: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29685828/influence-of-cold-water-immersion-on-recovery-of-elite-triathletes-following-the-ironman-world-championship
#16
Rebecca L Stearns, Julie K Nolan, Robert A Huggins, Carl M Maresh, Colleen X Munõz, Kelly D Pagnotta, Brittanie M Volk, Douglas J Casa
OBJECTIVES: Cold water immersion (CWI) has been widely used for enhancing athlete recovery though its use following an Ironman triathlon has never been examined. The purpose of this paper is to determine the influence of CWI immediately following an Ironman triathlon on markers of muscle damage, inflammation and muscle soreness. DESIGN: Prospective cohort study. METHODS: Thirty three (22 male, 11 female), triathletes participating in the Ironman World Championships volunteered to participate (mean±SD: age=40±11years; height=174...
January 31, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29681197/effect-of-carbohydrate-electrolyte-consumption-on-insulin-cortisol-hormones-and-blood-glucose-after-high-intensity-exercise
#17
Ahmet Mor, Yildirim Kayacan, Gokhan Ipekoglu, Erkal Arslanoglu
OBJECTIVE: This study aimed to examine the effect of CHO-E consumption after high-intensity exercise on insulin, cortisol hormones and blood glucose responses, which is important for performance and recovery in athletes. METHODS: Sixteen volunteers, male athletes, participated into this study. Athletes were divided into two groups as experiment (CHO-E) and placebo (PLA). Blood was taken from the athletes three times as basal, post-exercise (PE) and 2 h after ingestion of supplement (PS)...
April 21, 2018: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29667530/effects-of-developmental-age-on-symptom-reporting-and-neurocognitive-performance-in-youth-after-sports-related-concussion-compared-to-control-athletes
#18
Donna L Murdaugh, Kim E Ono, Sarah O Morris, Thomas G Burns
There is increased necessity to focus research on school-aged athletes with sports-related concussion (SRC). This study assessed differences in symptom reporting and neurocognitive performance in youth athletes who sustained a sports-related concussion. A total of 1345 concussed and 3529 nonconcussed athletes (ages 8-21) completed the Immediate Post-concussive Assessment and Cognitive Testing (ImPACT). Analyses of covariance were conducted in order to assess differences in neurocognitive performance and symptom reporting between the sports-related concussion and control groups across age ranges...
January 1, 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29657436/upper-extremity-weightlifting-injuries-diagnosis-and-management
#19
REVIEW
Kayvon Golshani, Mark E Cinque, Peter O'Halloran, Kenneth Softness, Laura Keeling, J Ryan Macdonell
Common upper extremity injuries in resistance training athletes include muscle strains, ligament sprains, pectoralis major tendon ruptures, distal biceps tendon ruptures, and chronic shoulder pain and capsulolabral injuries. While each injury is unique in its specific anatomic location and mechanism, each is preventable with proper exercise technique, safety and maintenance of muscle balance. Conservative treatment is the therapeutic modality of choice and these injuries generally resolve with workout modification, appropriate recovery, anti-inflammatory medication, and physical therapy...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29651858/sleep-related-issues-for-recovery-and-performance-in-athletes
#20
Sarah Kölling, Rob Duffield, Daniel Erlacher, Ranel Venter, Shona L Halson
The body of research that reports the relevance of sleep in high-performance sports is growing steadily. While the identification of sleep cycles and diagnosis of sleep disorders is limited to lab-based assessment via polysomnography, the development of activity-based devices estimating sleep patterns provides greater insight into the sleep behaviour of athletes in ecological settings. Overall, small sleep quantity and/or poor quality appears to exist in many athletic populations, though this may be related to training and competition context...
April 13, 2018: International Journal of Sports Physiology and Performance
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