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https://www.readbyqxmd.com/read/29447910/preventing-non-contact-acl-injuries-in-female-athletes-what-can-we-learn-from-dancers
#1
Catherine Turner, Sarah Crow, Thomas Crowther, Brittany Keating, Trenton Saupan, Jason Pyfer, Kimberly Vialpando, Szu-Ping Lee
OBJECTIVES: To investigate the effects of dance experience and movement instruction on lower extremity kinematics and muscle activation during a landing task. DESIGN: Cross-sectional case control. SETTING: Laboratory setting. PARTICIPANTS: 27 female subjects (age 18-25) in 2 groups: dancers (n = 12) and non-dancers (n = 15). MAIN OUTCOME MEASURES: Lower extremity biomechanics during drop landing were analyzed...
December 23, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29445518/why-do-endocrine-profiles-in-elite-athletes-differ-between-sports
#2
Peter H Sönksen, Richard I G Holt, Walailuck Böhning, Nishan Guha, David A Cowan, Christiaan Bartlett, Dankmar Böhning
Background: Endocrine profiles have been measured on blood samples obtained immediately post-competition from 693 elite athletes from 15 Olympic Sports competing at National or International level; four were subsequently excluded leaving 689 for the current analysis. Methods: Body composition was measured by bioimpedance in a sub-set of 234 (146 men and 88 women) and from these data a regression model was constructed that enabled 'estimated' lean body mass and fat mass to be calculated on all athletes...
2018: Clinical Diabetes and Endocrinology
https://www.readbyqxmd.com/read/29444414/no-individual-or-combined-effects-of-caffeine-and-beetroot-juice-supplementation-during-submaximal-or-maximal-running
#3
Johanna Oskarsson, Kerry McGawley
BACKGROUND: Dietary supplements such as caffeine and beetroot juice are used by athletes in an attempt to optimize performance and therefore gain an advantage in competition. AIM: To investigate the individual and combined effects of caffeine and beetroot-juice supplementation during submaximal and maximal treadmill running. METHODS: Seven males (VO<sub>2max</sub>: 59.0 ± 2.9 mL/kg/min) and two females (VO<sub>2max</sub>: 53...
February 14, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29443549/endurance-exercise-training-and-high-fat-diet-differentially-affect-composition-of-diacylglycerol-molecular-species-in-rat-skeletal-muscle
#4
Noriaki Kawanishi, Kana Takagi, Hyeon-Cheol Lee, Daiki Nakano, Toshiaki Okuno, Takehiko Yokomizo, Shuichi Machida
Insulin resistance of peripheral muscle is implicated in the aetiology of metabolic syndrome in obesity. Although accumulation of glycerolipids, such as triacylglycerol and diacylglycerol (DAG), in muscle contributes to insulin resistance in obese individuals, endurance-trained athletes also have higher glycerolipid levels but normal insulin sensitivity. We hypothesised that the difference in insulin sensitivity of skeletal muscle between athletes and obese individuals stems from changes in fatty acid composition of accumulated lipids...
February 14, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29442577/high-rate-of-return-to-yoga-for-athletes-after-hip-arthroscopy-for-femoroacetabular-impingement-syndrome
#5
Rachel M Frank, Gift Ukwuani, Bradley Allison, Ian Clapp, Shane J Nho
BACKGROUND: Femoroacetabular impingement syndrome (FAIS) is most commonly diagnosed in patients who perform activities that require repetitive hip flexion and rotational loading. Yoga is an activity growing in popularity that involves these motions. The purpose of this study was to evaluate patients' ability to return to yoga after hip arthroscopy for FAIS. HYPOTHESIS: There would be a high rate of return to yoga after hip arthroscopy. STUDY DESIGN: Retrospective analysis...
February 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29438911/biomechanical-assessment-of-dynamic-balance-specificity-of-different-balance-tests
#6
Steffen Ringhof, Thorsten Stein
Dynamic balance is vitally important for most sports and activities of daily living, so the assessment of dynamic stability has become an important issue. In consequence, a large number of balance tests have been developed. However, it is not yet known whether these tests (i) measure the same construct and (ii) can differentiate between athletes with different balance expertise. We therefore studied three common dynamic balance tests: one-leg jump landings, Posturomed perturbations and simulated forward falls...
February 10, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29435760/prescribing-6-weeks-of-running-training-using-parameters-from-a-self-paced-maximal-oxygen-uptake-protocol
#7
James S Hogg, James G Hopker, Sarah L Coakley, Alexis R Mauger
PURPOSE: The self-paced maximal oxygen uptake test (SPV) may offer effective training prescription metrics for athletes. This study aimed to examine whether SPV-derived data could be used for training prescription. METHODS: Twenty-four recreationally active male and female runners were randomly assigned between two training groups: (1) Standardised (STND) and (2) Self-Paced (S-P). Participants completed 4 running sessions a week using a global positioning system-enabled (GPS) watch: 2 × interval sessions; 1 × recovery run; and 1 × tempo run...
February 12, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29434077/low-proportion-of-dietary-plant-protein-among-athletes-with-premenstrual-syndrome-related-performance-impairment
#8
Keiko Yamada, Takashi Takeda
Premenstrual syndrome (PMS) is psychosomatic disorder that are limited to the late luteal phase in the menstrual cycle. PMS could impair athletic performance. To investigate associations between proportions of dietary plant and animal protein and PMS-related impairment of athletic performance, we surveyed 135 female athletes aged 18-23 years attending Kindai University. Participants belonged to authorized university clubs, all of which have high rankings in Japanese university sports. Participants completed self-administered questionnaires on diet history, demographics, and PMS-related impairment of athletic performance...
2018: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29433091/the-influence-of-lower-limb-impairments-on-racerunning-performance-in-athletes-with-hypertonia-ataxia-or-athetosis
#9
Marietta L van der Linden, Sadaf Jahed, Nicola Tennant, Martine H G Verheul
OBJECTIVES: RaceRunning enables athletes with limited or no walking ability to propel themselves independently using a three-wheeled running bike that has a saddle and a chest plate for support but no pedals. For RaceRunning to be included as a Para athletics event, an evidence-based classification system is required. Therefore, the aim of this study was to assess the association between a range of impairment measures and RaceRunning performance. METHODS: The following impairment measures were recorded: lower limb muscle strength assessed using Manual Muscle Testing (MMT), selective voluntary motor control assessed using the Selective Control Assessment of the Lower Extremity (SCALE), spasticity recorded using both the Australian Spasticity Assessment Score (ASAS) and Modified Ashworth Scale (MAS), passive range of motion (ROM) of the lower extremities and the maximum static step length achieved on a stationary bike (MSSL)...
February 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29431592/in-season-changes-in-ventricular-morphology-and-systolic-function-in-adolescent-female-athletes
#10
Andrew M Watson, Carol Coutinho, Kristin Haraldsdottir, Stacey Brickson, Warren Dunn, Marlowe Eldridge
PURPOSE: To evaluate the influence of physical maturity on the changes in ventricular morphology and function with sport training in female youth athletes. METHODS: Thirty-two female athletes (age 13-18 years) underwent height and weight measurement and 2-D echocardiographic evaluation immediately prior to, and following, a 20-week soccer season. Pre- and post-season left ventricular end-diastolic diameter (LVEDD), end-diastolic volume (LVEDV), ejection fraction (LVEF), stroke volume (LVSV), mass (LVM), and posterior wall thickness (LVPWT), right ventricular end-diastolic diameter (RVEDD), end-diastolic area (RVEDA), and fractional area change (RVFAC), and interventricular septal thickness (IVST) were compared...
February 12, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29431548/impact-of-energy-availability-health-and-sex-on-hemoglobin-mass-responses-following-lhth-altitude-training-in-elite-female-and-male-distance-athletes
#11
Ida A Heikura, Louise M Burke, Dan Bergland, Arja L T Uusitalo, Antti A Mero, Trent Stellingwerff
BACKGROUND: We investigated the effects of sex, energy availability (EA), and health status on the change in hemoglobin mass (ΔHbmass) in elite endurance athletes over ~3 to 4 weeks of Live-High/Train-High altitude training (Flagstaff, AZ, 2135m; n=27 females; n=21 males; 27% 2016 Olympians). METHODS: Pre- and post-camp Hbmass (optimized CO re-breathing method) and iron status were measured, EA was estimated via food and training logs and Low Energy Availability in Females Questionnaire (LEAF-Q) and a general injury/illness questionnaire was completed...
February 12, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29431011/incidence-and-predictors-of-roller-derby-injuries-among-female-roller-derby-athletes
#12
Michelle L Cathorall, Andrew A Peachey
Little is known about roller derby injuries. To describe the types of injuries that female roller derby athletes experience, quantify the incidence of injuries and examine the relationship between selected demographic variables and injuries. Women's roller derby leagues were contacted explaining the study and requesting participation. A second message was sent with the link to the electronic questionnaire to collect data from March to June 2015. Of the 1 395 respondents, 48.7% (679) reported having at least one injury in the previous 12 months...
February 12, 2018: International Journal of Injury Control and Safety Promotion
https://www.readbyqxmd.com/read/29430384/exercise-as-a-prevention-for-substance-use-disorder-a-review-of-sex-differences-and-neurobiological-mechanisms
#13
Wendy J Lynch, Andrea M Robinson, Jean Abel, Mark A Smith
Purpose of Review: This report provides an update on clinical and preclinical findings for the efficacy of exercise to prevent substance use disorder with a focus on recent evidence for sex differences and neurobiological mechanisms. Recent Findings: Exercise/physical activity is associated with decreased drug use in humans. Preclinical results further indicate that exercise decreases vulnerability to drug use and the development of features of substance use disorder, and suggest that females have an enhanced sensitivity to its reward-substitution effects...
December 2017: Current Addiction Reports
https://www.readbyqxmd.com/read/29430263/traumatic-dental-injuries-resulting-from-sports-activities-immediate-treatment-and-five-years-follow-up-an-observational-study
#14
Enrico Spinas, Antonello Mameli, Luca Giannetti
Background: Traumatic dental injuries (TDIs) represent 18-30% of all oral pathologies and a considerable number of these are sports related. It is very important to treat sports-related injuries and prevent complications. However, very few studies investigate the most expedient therapeutic strategies for the treatment of dental trauma correlated to sports. Objective: The aim of this work was to focus on the average recovery time for different lesions, to assess adequate times for each athlete, to identify any association with complications and to investigate whether or not the use of mouth-guards interfered with a full recovery to normal health...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29425835/the-influence-of-internal-and-external-tibial-rotation-offsets-on-knee-joint-and-ligament-biomechanics-during-simulated-athletic-tasks
#15
Nathaniel A Bates, Rebecca J Nesbitt, Jason T Shearn, Gregory D Myer, Timothy E Hewett
BACKGROUND: Following anterior cruciate ligament injury and subsequent reconstruction transverse plane tibiofemoral rotation becomes underconstrained and overconstrained, respectively. Conflicting reports exist on how rotations influence loading at the knee. This investigation aimed to determine the mechanical effects of internal and external tibial rotation offsets on knee kinematics and ligament strains during in vitro simulations of in vivo recorded kinematics. METHOD: A 6-degree-of-freedom robotic manipulator arm was used to articulate 11 cadaveric tibiofemoral joint specimens through simulations of four athletic tasks produced from in vivo recorded kinematics...
February 2, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29420685/gender-differences-in-symptom-reporting-on-baseline-sport-concussion-testing-across-the-youth-age-span
#16
Rosemarie Scolaro Moser, Lauren Olek, Philip Schatz
Background: Little is known regarding gender differences in concussion symptom reporting developmentally across the age span, specifically in pre-adolescent athletes. The present study asks: Do boys and girls differ in symptom reporting across the pre-adolescent to post-adolescent age span? Method: This retrospective study utilized baseline assessments from 11,695 10-22 year-old athletes assigned to 3 independent groups: Pre-adolescent 10-12 year olds (n = 1,367; 12%), Adolescent 13-17 year olds (n = 2,974; 25%), and Late Adolescent 18-22 year olds (n = 7,354; 63%)...
February 6, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29420313/preliminary-use-of-the-paness-for-detecting-subtle-motor-signs-in-adolescents-with-sport-related-concussion-a-brief-report
#17
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 sport-related concussion (SRC). We preliminarily examined the Physical and Neurological Examination of Subtle Signs (PANESS) for sensitivity to motor changes in a pilot cohort of adolescents aged 13-17 with SRC. 15 Adolescents (5 females) with SRC were evaluated up to 3 times: within 2 weeks of injury, approximately 1 month later (mean 35 days between visits), and for those not recovered at the second visit, again following clinical recovery (mean 70 days between first and last visits for all participants)...
February 8, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29420239/depression-and-anxiety-symptoms-in-17-teams-of-female-football-players-including-10-german-first-league-teams
#18
Astrid Junge, Birgit Prinz
BACKGROUND: Information on the prevalence of mental health problems of elite athletes is inconclusive, most probably due to methodological limitations, such as low response rates, heterogeneous samples. AIMS: To evaluate the prevalence and risk factors of depression and anxiety symptoms in high-level female football players. METHODS: Female football players of 10 German first league (Bundesliga) and 7 lower league teams were asked to answer a questionnaire on players' characteristics, the Center of Epidemiologic Studies Depression Scale (CES-D) and the Generalised Anxiety Disorder (GAD-7) scale...
February 2, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29420135/impaired-sleep-mediates-the-negative-effects-of-training-load-on-subjective-well-being-in-female-youth-athletes
#19
Andrew Watson, Stacey Brickson
BACKGROUND: Although increased training load (TL) and impaired sleep are associated with decreases in subjective well-being in adult athletes, these relationships among female youth athletes are unclear. It is unknown whether the effects of sleep and TL on well-being are independent or whether alterations in sleep mediate the effects of TL on subjective well-being. HYPOTHESIS: Sleep and TL exert independent effects on subjective well-being among youth athletes, although alterations in sleep mediate a significant portion of the effect of TL on well-being in female youth athletes...
February 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29420058/athletic-training-student-core-competency-implementation-during-patient-encounters
#20
Julie M Cavallario, Bonnie L Van Lunen, Johanna M Hoch, Matthew Hoch, Sarah A Manspeaker, Shana L Pribesh
CONTEXT: Health care research evidence suggests that early patient encounters (PEs), as well as the purposeful implementation of professional core competencies (CCs), for athletic training students (ATSs) may be beneficial to their ability to provide care. However, no investigators have related facets of the clinical education experience with CC implementation as a form of summative assessment of the clinical experience. OBJECTIVE: To determine the relationship between the frequency and length of PEs, as well as the student's role and clinical site during PEs, and the students' perceived CC implementation during these encounters...
February 8, 2018: Journal of Athletic Training
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