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Athletic Ability Assessment

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https://www.readbyqxmd.com/read/29606024/return-to-sports-and-physical-activities-after-open-reduction-and-internal-fixation-of-lisfranc-injuries-in-recreational-athletes
#1
Allan David Mora, Mark Kao, Terrence Alfred, Gregory Shein, Jeff Ling, David Lunz
BACKGROUND: The purpose of this study was to assess participation in sport and physical activity following open reduction and internal fixation of a Lisfranc injury in a cohort of recreational athletes. METHODS: This study identified all adult patients aged 55 years or younger who presented with a Lisfranc injury and underwent open reduction and internal fixation (ORIF) using a Lisfranc screw combined with bridge plating technique. Sports and physical activity participation was assessed with a new sports-specific, patient-administered questionnaire...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29605797/self-reported-sleep-duration-affects-tandem-gait-but-not-steady-state-gait-outcomes-among-healthy-collegiate-athletes
#2
David R Howell, Brant Berkstresser, Francis Wang, Thomas A Buckley, Rebekah Mannix, Alexandra Stillman, William P Meehan
BACKGROUND: Sleep deficits are associated with motor and cognitive function deficits, even in the absence of a recent concussion. RESEARCH QUESTION: Does the amount of self-reported sleep prior to pre-season concussion testing affect single-task and dual-task instrumented steady-state gait and timed tandem gait test performance? METHODS: One hundred and fourteen healthy collegiate athletes (mean age 18.8 ± 0.7 years; 60% female) reported the amount of sleep they received during the prior night and completed a timed tandem gait test and an instrumented assessment of steady-state gait in both single-task and dual-task conditions...
March 26, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29599871/effects-of-different-post-activation-potentiation-warm-ups-on-repeated-sprint-ability-in-soccer-players-from-different-competitive-levels
#3
Javier Sanchez-Sanchez, Alejandro Rodriguez, Cristina Petisco, Rodrigo Ramirez-Campillo, Cristian Martínez, Fábio Y Nakamura
This study aimed to compare the effects of a traditional warm-up with two post-activation potentiation (PAP) warm-up strategies on the repeated sprint ability (RSA) of soccer players from national (NL) and regional (RL) competitive levels. Sixteen young players (NL, n = 8, age = 20.7 ± 1.4 y, body mass = 68.5 ± 7.0 kg, body height = 177.4 ± 5.2 cm; RL, n = 8, age = 20.8 ± 1.0 y, body mass = 68.7 ± 4.0 kg, body height = 176.6 ± 5.6 cm) were recruited to complete a traditional warm-up (CONTROL), a PAP warm-up incorporating squats with a load (~60% 1RM) that allowed a high speed (1 m/s) of movement and a high number of repetitions (PAP-1), and a PAP warm-up with a load (~90% 1RM) that allowed a moderate speed (0...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29584538/reducing-fear-of-reinjury-and-pain-perception-among-athletes-with-first-time-anterior-cruciate-ligament-reconstructions-by-implementing-imagery-training
#4
Rosa M Rodriguez, Ashley Marroquin, Nicole Cosby
Injuries are an inevitable part of competitive sports as well a recreational activities. Research shows that one of the most common musculoskeletal complaints that accounts for approximately 48 out of 1,000 patients are knee related injuries.1 As noted, approximately nine percent of these knee complaints are related to anterior cruciate ligament (ACL) injuries.2 ,3 The ACL is commonly injured in contact sports via a non-contact action such as planting, cutting, landing on a hyperextended knee, or pivoting and sudden deceleration...
March 27, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29554515/delayed-effects-of-a-20-min-crushed-ice-application-on-knee-joint-position-sense-assessed-by-a-functional-task-during-a-re-warming-period
#5
Jill Alexander, Jim Richards, Obed Attah, Sam Cheema, Joanna Snook, Chloe Wisdell, Karen May, James Selfe
Delayed effects of a 20-min crushed ice application on knee joint position sense assessed by a functional task during a re-warming period. INTRODUCTION: The effect of cryotherapy on joint positioning presents conflicting debates as to whether individuals are at an increased risk of injury when returning to play following cryotherapy application at the lower limb. OBJECTIVES: The aim of this study was to investigate whether a 20 min application of crushed ice at the knee affects knee joint kinematics immediately post and up to 20 mins post ice removal, during a small knee bend...
March 6, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29535575/citrus-flavonoid-supplementation-improves-exercise-performance-in-trained-athletes
#6
Elvera Overdevest, Jeroen A Wouters, Kevin H M Wolfs, Job J M van Leeuwen, Sam Possemiers
Previous studies have shown that polyphenol supplementation may be an effective strategy to improve exercise performance, due to their antioxidant character and ability to stimulate NO production. These properties may contribute to exercise performance, yet no conclusive research has been performed in exploring the direct effects of citrus flavonoids on human exercise performance. Therefore, the purpose of this study was to assess whether supplementation of a customized citrus flavonoid (CF) extract for 4 weeks improves cycling time-trial performance in trained male athletes...
March 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29533357/predicting-bobsled-pushing-ability-from-various-combine-testing-events
#7
Curtis L Tomasevicz, Jack W Ransone, Christopher W Bach
The requisite combination of speed, power, and strength necessary for a bobsled push athlete coupled with the difficulty in directly measuring pushing ability makes selecting effective push crews challenging. Current practices by USA Bobsled and Skeleton (USABS) utilize field combine testing to assess and identify specifically selected performance variables in an attempt to best predict push performance abilities. Combine data consisting of 11 physical performance variables were collected from 75 subjects across two winter Olympic qualification years (2009 and 2013)...
March 12, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29504836/changes-in-physiological-and-performance-variables-in-non-professional-triathletes-after-taking-part-in-an-olympic-distance-triathlon
#8
Guillermo Olcina, Rafael Timón, Javier Brazo-Sayavera, Ismael Martínez-Guardado, Marta Marcos-Serrano, Carmen Crespo
Given increasing popularity of triathlon, the objective of this study was to evaluate the acute effects upon the health of triathletes. To do so, with a sample of 23 male athletes (34.4 ± 7.9 years old), an assessment was carried out both before and after an Olympic distance triathlon, of the bodily composition, the jumping ability and the BORG and VAS scales, as well as a blood analysis of the following: Lactate (mmol/L), Hematrocrit (%), Glucose (mg/dL), Total proteins (mg/dL), Triglycerides (mg/dL), Bilirubin (mg/dL), GOT (IU/L), GPT (IU/L), LDH (IU/L), CPK (IU/L)...
March 5, 2018: Research in Sports Medicine
https://www.readbyqxmd.com/read/29497622/back-to-sports-after-arthroscopic-revision-bankart-repair
#9
Johannes Buckup, Frederic Welsch, Yves Gramlich, Reinhard Hoffmann, Philip P Roessler, Karl F Schüttler, Thomas Stein
Background: Recurrent instability following primary arthroscopic stabilization of the shoulder is a common complication. Young, athletic patients are at the greatest risk of recurring instability. To date, the literature contains insufficient description regarding whether return to sports is possible after revision arthroscopic Bankart repair. Hypothesis: Patients presenting with recurrent instability after primary arthroscopic stabilization should expect limitations in terms of their ability to partake in sporting activities after revision surgery...
February 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29484576/a-subjective-assessment-of-the-prevalence-and-factors-associated-with-poor-sleep-quality-amongst-elite-japanese-athletes
#10
Masako Hoshikawa, Sunao Uchida, Yuichi Hirano
BACKGROUND: The amount, quality, and timing of sleep are considered important for athletes' ability to train, maximize training responses, and recover. However, some research has shown that elite athletes do not obtain sufficient sleep. Based on this background, researchers recently started to assess and manage sleep in elite athletes. The purpose of this study was to clarify the prevalence of poor sleep quality and its associated factors amongst elite Japanese athletes. METHODS: Eight hundred and ninety-one candidates for the 17th Asian Games Incheon 2014, who were over 20 years old, participated in this study...
February 26, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29484237/acute-lateral-ankle-sprain-prediction-in-collegiate-women-s-soccer-players
#11
Ryan S McCann, Kyle B Kosik, Masafumi Terada, Megan Q Beard, Gretchen E Buskirk, Phillip A Gribble
Background: Women's soccer has among the highest injury rates in collegiate sports, and lateral ankle sprains (LAS) are among the most commonly occurring injuries in that athletic population. However, no established LAS prediction model exists for collegiate women's soccer players.The purpose of this study was to develop a prediction model for acute LAS injuries in collegiate women's soccer players utilizing previous ankle sprain history, height, mass, and BMI as potential predictors...
February 2018: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29482927/measurement-of-lower-limb-segmental-excursion-using-inertial-sensors-during-single-limb-stance
#12
Kyoung Jae Kim, Vibhor Agrawal, Christopher Bennett, Ignacio Gaunaurd, Luis Feigenbaum, Robert Gailey
Advances in wearable technology have afforded health scientists and clinicians the ability to quantify clinically meaningful kinematic data with performance-based outcome measures in a variety of environments. However, no method for assessing segmental excursion of the lower limb during single limb stance (SLS) with wearable technology has been described in the literature nor has its clinical meaning been explored. This study introduces a clinically friendly measure to quantify lower limb segmental excursion during SLS with inertial measurement units (IMUs) which called the region of limb stability (ROLS)...
February 9, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29481446/relationship-between-change-of-direction-speed-and-power-in-male-and-female-national-olympic-team-handball-athletes
#13
Lucas A Pereira, Sophia Nimphius, Ronaldo Kobal, Katia Kitamura, Luiz A L Turisco, Rita C Orsi, César Cs Cal Abad, Irineu Loturco
The aims of this study were to (1) assess the relationship between selected speed-power related abilities (determined by 20-m sprint, unloaded countermovement and squat jumps [CMJ and SJ] and loaded jump squat [JS]) and performance in two distinct change of direction (COD) protocols (Zigzag and T-Test), and (2) determine the magnitude of difference between female and male Brazilian National Olympic Team handball athletes. Fifteen male and twenty-three female elite handball athletes volunteered to perform the following assessments: SJ and CMJ; Zigzag and T-Test; 20-m sprint with 5-, 10-, and 20-m splits, and mean propulsive power (MPP) in JS...
February 22, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29480885/what-is-the-relationship-of-fear-avoidance-to-physical-function-and-pain-intensity-in-injured-athletes
#14
Stefan F Fischerauer, Mojtaba Talaei-Khoei, Rens Bexkens, David C Ring, Luke S Oh, Ana-Maria Vranceanu
BACKGROUND: Fear avoidance can play a prominent role in maladaptive responses to an injury. In injured athletes, such pain-related fear or fear avoidance behavior may have a substantial influence on the recovery process. Specifically, it may explain why some are able to reach their preinjury abilities, whereas others are unable to return to sport. QUESTIONS/PURPOSES: (1) Is fear avoidance in athletes associated with decreased physical function after injury? (2) To what degree is fear avoidance associated with athletes' pain intensity? METHODS: In a cross-sectional study, we recruited injured athletes-defined as patients with sports-related injury, weekly engagement in sport activities, participation in competitive events as part of a team or club, self-identification as an athlete, and a desire to return to sport after recovery-from an orthopaedic sports medicine center at a major urban university hospital...
April 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29474386/peak-oxygen-uptake-in-paralympic-sitting-sports-a-systematic-literature-review-meta-and-pooled-data-analysis
#15
Julia Kathrin Baumgart, Berit Brurok, Øyvind Sandbakk
BACKGROUND: Peak oxygen uptake (VO2peak) in Paralympic sitting sports athletes represents their maximal ability to deliver energy aerobically in an upper-body mode, with values being influenced by sex, disability-related physiological limitations, sport-specific demands, training status and how they are tested. OBJECTIVES: To identify VO2peak values in Paralympic sitting sports, examine between-sports differences and within-sports variations in VO2peak and determine the influence of sex, age, body-mass, disability and test-mode on VO2peak...
2018: PloS One
https://www.readbyqxmd.com/read/29465583/-living-high-training-low-improved-weight-loss-and-glucagon-like-peptide-1-level-in-a-4-week-weight-loss-program-in-adolescents-with-obesity-a-pilot-study
#16
Qin Yang, Guoyuan Huang, Qianqian Tian, Wei Liu, Xiangdong Sun, Na Li, Shunli Sun, Tang Zhou, Nana Wu, Yuqin Wei, Peijie Chen, Ru Wang
BACKGROUND: "Living High-Training Low" (LHTL) is effective for the improvement of athletic ability; however, little is known about the effect of LHTL on obese individuals. The present study determined whether LHTL would have favorable influence on body composition, rebalance the appetite hormones, and explore the underlying mechanism. METHODS: Adolescents with obesity [body mass index (BMI) >30 kg/m] were randomly assigned to "Living Low-Training Low" (LLTL, n = 19) group that slept in a normobaric normoxia condition and the LHTL (n = 16) group slept in a normobaric hypoxia room (14...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29456902/review-of-assessment-scales-for-diagnosing-and-monitoring-sports-related-concussion
#17
REVIEW
Alexa M Dessy, Frank J Yuk, Akbar Y Maniya, Alex Gometz, Jonathan J Rasouli, Mark R Lovell, Tanvir F Choudhri
Sports-related concussion has emerged as a public health crisis due to increased diagnosis of the condition and increased participation in organized and recreational athletics worldwide. Under-recognition of concussions can lead to premature clearance for athletic participation, leaving athletes vulnerable to repeat injury and subsequent short- and long-term complications. There is overwhelming evidence that assessment and management of sports-related concussions should involve a multifaceted approach. A number of assessment criteria have been developed for this purpose...
December 7, 2017: Curēus
https://www.readbyqxmd.com/read/29446708/does-local-dynamic-stability-of-kayak-paddling-technique-affect-the-sports-performance-a-pilot-study
#18
Daniel Hamacher, Tobias Krebs, Guido Meyer, Astrid Zech
During competition, kayak athletes must optimally adapt to environmental factors (e.g. wind, waves) to achieve peak performance. However, the ability to adapt to such perturbations has never been assessed in kayak paddling. Therefore, the aim of the current study was to evaluate the local dynamic stability in sports technique of youth sprint kayak athletes. In a cross-sectional study, 14 healthy male athletes were recruited from an elite youth sprint kayak squad. During an incremental kayak ergometer test, mean power, heart rates and local dynamic technique stability of hands, arms, trunk and paddle were registered and the association with the athletes 2000 m free-water times were estimated using mixed models...
February 15, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29442577/high-rate-of-return-to-yoga-for-athletes-after-hip-arthroscopy-for-femoroacetabular-impingement-syndrome
#19
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
#20
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
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