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https://www.readbyqxmd.com/read/28416891/session-rpe-for-quantifying-the-load-of-different-youth-basketball-training-sessions
#1
C Lupo, A Tessitore, L Gasperi, Mar Gomez
The aim of the study was to evaluate youth basketball training, verifying the reliability of the session-RPE method in relation to session duration (< and ≥ 80 minutes) and workout typology (reduced and high warm-up, conditioning, technical, tactical, game portions within a single session) categories. Six male youth basketball players (age, 16.5±0.5 years; height, 195.5±6.75 cm; body mass, 93.9±10.9 kg; and body mass index, 23.6±2.8 kg.m(-2)) were monitored (HR, type and duration of workouts) during 15 (66 individual) training sessions (80±26 minutes)...
March 2017: Biology of Sport
https://www.readbyqxmd.com/read/28409517/could-the-negative-effects-of-static-stretching-in-warm-up-be-restored-by-sport-specific-exercise
#2
Victor Bengtsson, Ji-Guo Yu, Kajsa Gilenstam
BACKGROUND: Static stretching (SS) is widely used in warm-up as it is generally believed to increase mobility and reduce the risk of injury; however, SS has been shown to induce transient negative effects on subsequent muscle performance. Interestingly, recent studies have shown that sport specific exercise could restore SS-induced negative effects on certain sports, especially of explosive muscular performance. Whether sport specific exercise could restore SS-induced negative effects on isokinetic muscle performance remains unclear...
April 13, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28409510/combined-osteopathy-and-exercise-management-of-achilles-tendinopathy-in-an-athlete-a-case-report
#3
Georgia Ross, Chris Macfarlane, Brett Vaughan
Mid-portion Achilles tendinopathy is a common injury in sporting populations. There is conflicting evidence about the best approach to conservative management. This report focuses on the rehabilitation of an Achilles tendinopathy utilising osteopathic manual therapy (OMT) and a structured exercise program in a semi-professional volleyballer. The patient presented with a 4-month history of right mid-portion Achilles tendon pain that begun after a lateral inversion sprain of the right ankle. The primary complaint was pain impacting the patients vertical jump performance...
April 13, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28402188/effects-of-a-worksite-supervised-adapted-physical-activity-program-on-trunk-muscle-endurance-flexibility-and-pain-sensitivity-among-vineyard-workers
#4
Romain Balaguie, Pascal Madeleine, Kévin Rose-Dulcina, Nicolas Vuillerme
OBJECTIVES: In viticulture, the prevalence of low back pain is particularly high among vineyard workers exposed to sustained and awkward postures. One promising setting for low back pain prevention resides in the implementation of workplace physical activity. METHODS: This non-randomized pilot study aims at evaluating the effects of a worksite supervised adapted physical activity program among seventeen vineyard-workers volunteered to enter either an intervention group (n=10) or a control group (n=7)...
April 12, 2017: Journal of Agromedicine
https://www.readbyqxmd.com/read/28399621/aerobic-synergized-exercises-may-improve-fall-related-physical-fitness-in-older-adults
#5
Yu-Chen Chang, Jung-Der Wang, Ho-Cheng Chen, Susan C Hu
BACKGROUND: The purpose of the present study was to determine whether a synergistic exercise model based on aerobics with additional fall-preventive components could provide extra benefits compared with the same duration of aerobic-synergistic exercise alone. METHODS: A total of 102 adults aged 65 years and over from three geographically separated communities were assigned to three groups: the general aerobic exercise (GAE) group (N.=44), the GAE plus ball game group (BG group; N...
May 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28398063/disruption-of-hydrogen-bonding-network-eliminates-water-anomalies-normally-observed-on-cooling-down-to-its-calorimetric-glass-transition
#6
Jose M Borreguero, Eugene Mamontov
The calorimetric glass transition temperature of water is 136 K, but extrapolation of thermodynamic and relaxation properties of water from ambient temperature to below its homogeneous nucleation temperature TH = 235 K predicts divergence at TS = 228 K. The "no-man's land" between the TH and glassy water crystallization temperature of 150 K, which is encountered on warming up from the vitrified state, precludes a straightforward reconciliation of the two incompatible temperature dependences of water properties, above 235 K and below 150 K...
April 11, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28393541/racial-differences-in-hemoglobin-and-plasma-volume-variation-implications-for-muscle-performance-and-recovery
#7
Maha Sellami, Karim Chamari, Alessandro Moura Zagatto, Wiem Kebsi, Anis Chaouachi, Hassane Zouhal
OBJECTIVE: To examine the effect of race differences on sprint performance, Hemoglobin (Hb), Hematocrit (Ht) and plasma volume (PV) variation in response to repeated sprint exercise. DESIGN: Thirty-six healthy, moderately trained men and women (20.8 ± 0.2 year-old) volunteered to participate in this study. They were allocated to one of the four groups according to their gender and race: Black men's group (BM, n = 9), White men's group (WM, n = 9), Black women's group (BW, n = 9) and White women's group (WW, n = 9)...
April 10, 2017: Ethnicity & Health
https://www.readbyqxmd.com/read/28389864/does-the-fifa-11-%C3%A2-injury-prevention-program-reduce-the-incidence-of-acl-injury-in-male-soccer-players
#8
Holly J Silvers-Granelli, Mario Bizzini, Amelia Arundale, Bert R Mandelbaum, Lynn Snyder-Mackler
BACKGROUND: The FIFA 11+ injury prevention program has been shown to decrease the risk of soccer injuries in men and women. The program has also been shown to decrease time loss resulting from injury. However, previous studies have not specifically investigated how the program might impact the rate of anterior cruciate ligament (ACL) injury in male soccer players. QUESTIONS/PURPOSES: The purpose of this study was to examine if the FIFA 11+ injury prevention program can (1) reduce the overall number of ACL injuries in men who play competitive college soccer and whether any potential reduction in rate of ACL injuries differed based on (2) game versus practice setting; (3) player position; (4) level of play (Division I or II); or (5) field type...
April 7, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28383265/excited-state-intramolecular-proton-transfer-esipt-of-fluorescent-flavonoid-dyes-a-close-look-by-low-temperature-fluorescence
#9
Xiaoman Bi, Bin Liu, Yi Pang
Flavonoids have emerged to be an important molecular frame for chemical sensors, due to their capability to give dual emission and their compatibility to biological cells. Two flavonoid compounds with Me2N- and Et2N-substituents were examined by acquiring their fluorescence at different temperatures, in order to evaluate the impact of intramolecular charge transfer (ICT) on ESIPT. By freezing the sample solution in liquid N2, the study detected the "locally excited" state at em460 nm, in which both ICT and ESIPT processes were not present...
April 6, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28368959/the-effects-of-a-cycling-warm-up-including-high-intensity-heavy-resistance-conditioning-contractions-on-subsequent-4-km-time-trial-performance
#10
Alan Chorley, Kevin L Lamb
Prior exercise has been shown to improve subsequent performance via different mechanisms. Sport-specific conditioning contractions can be used to exploit the 'post-activation potentiation' (PAP) phenomenon to enhance performance although this has rarely been investigated in short endurance events. The aim of this study was to compare a cycling warm-up with PAP-inducing conditioning contractions (CW) with a moderate intensity warm-up (MW) on performance and physiological outcomes of 4 km time trial. Ten well-trained male endurance cyclists (V[Combining Dot Above]O2max 65...
March 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28362217/can-graduated-compressive-stockings-reduce-muscle-activity-during-running
#11
Ángel Gabriel Lucas-Cuevas, José Ignacio Priego Quesada, José Vicente Giménez, Inmaculada Aparicio, Juan Manuel Cortell-Tormo, Pedro Pérez-Soriano
PURPOSE: Graduated compressive stockings (GCS) have been suggested to influence performance by reducing muscle oscillations and improving muscle function and efficiency. However, no study to date has analyzed the influence of GCS on muscle activity during running. The objective of the study was to analyze the influence of GCS on the perception of comfort and muscle activation of the main muscles of the lower leg during running. METHOD: Thirty-six participants ran on a treadmill with (GCS) or without (control) GCS...
March 31, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28360825/ingestion-of-oxygenated-water-enhances-lactate-clearance-kinetics-in-trained-runners
#12
Neil Fleming, Jeremiah Vaughan, Matthew Feeback
BACKGROUND: Drinks with higher dissolved oxygen concentrations have in recent times gained popularity as a potential ergogenic aid, despite a lack of evidence regarding their efficacy. The aim of this study was to assess effects of ingestion of an oxygen supplement (OS) on exercise performance and post-exercise recovery in a group of trained runners. METHODS: Trained male runners (n = 25, mean ± SD; age 23 ± 6 years, mass 70 ± 9 kg, BMI 21.9 ± 2...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28353489/sharing-a-personal-trainer-personal-and-social-benefits-of-individualized-small-group-training
#13
Heidi A Wayment, Rachel McDonald
We examined a novel personal fitness training program that combines personal training principles in a small group training environment. In a typical training session, exercisers warm-up together but receive individualized training for 50 minutes with 1-5 other adults who range in age, exercise experience, and goals for participation. Study participants were 98 regularly exercising adult members of a fitness studio in the southwestern United States (64 females; 32 males), aged 19-78 years (mean = 46.52 years; SD = 14...
March 27, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28352163/the-effectiveness-of-a-basic-exercise-intervention-to-improve-strength-and-balance-in-women-with-osteoporosis
#14
Montserrat Otero, Izaro Esain, Ángel M González-Suarez, Susana M Gil
OBJECTIVE: To determine the effects of a simple exercise program on the balance and strength of postmenopausal women with osteoporosis. METHODS: This program was based on low intensity strength and balance exercises, and was carried out with simple, readily available equipment. Sixty five women were randomly assigned to either the experimental group (EG; n=33, age: 57.4±4.8 years) or the control group (CG; n=32, age: 58.8±4.5 years). Participants in the EG underwent balance and strength training for 60 min, three times/week for 6 months...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28343572/effect-of-the-timing-of-ice-slurry-ingestion-for-precooling-on-endurance-exercise-capacity-in-a-warm-environment
#15
Keisuke Takeshima, Sumire Onitsuka, Zheng Xinyan, Hiroshi Hasegawa
It has been demonstrated that precooling with ice slurry ingestion enhances endurance exercise capacity in the heat. However, no studies have yet evaluated the optimal timing of ice slurry ingestion for precooling. This study aimed to investigate the effects of varying the timing of ice slurry ingestion for precooling on endurance exercise capacity in a warm environment. Ten active male participants completed 3 experimental cycling trials to exhaustion at 55% peak power output (PPO) after 15min of warm-up at 30% PPO at 30°C and 80% relative humidity...
April 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28342686/taiji-tai-chi-for-fall-prevention-in-the-elderly-training-the-trainers-evaluation-project
#16
Lucy Bartimole, Mary A Fristad
Falls in the elderly are common and a major, costly health problem. Taiji addresses many issues related to fall risk. We determined whether intensive weekend training can sufficiently train persons who have baseline familiarity with Taiji to model and teach fundamentals of Taiji to the elderly. Prior to training, registrants received a manual, video and online links for review and practice. Assessments were completed pre-/post-training. Training occurred in four cities of one state. 34 adults completed training, two did not complete evaluations (ns = 12, 13, 4, and 5 at the four sites)...
February 24, 2017: Explore: the Journal of Science and Healing
https://www.readbyqxmd.com/read/28340011/evaluation-of-the-impact-of-physical-exercise-in-reducing-pain-in-women-undergoing-mammography-a-randomized-clinical-trial
#17
Tadeu Cardoso de Almeida, Luane Marques de Mello, Jacó Saraiva de Castro Mattos, Anderson Soares da Silva, Altacílio Aparecido Nunes
Objective. : To evaluate the efficacy of exercise prior to mammography in reducing perceived postexamination pain. Methods. : An open, randomized, and controlled clinical trial was conducted. The interventions consisted of warm-up and stretching exercises of the upper or lower limbs of women who consulted at Barretos Cancer Hospital, São Paulo State, Brazil. The women were divided into three groups based on the intervention and its location: upper limbs (group 1), lower limbs (group 2), and no intervention (group 0)...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28337878/salivary-cortisol-alpha-amylase-and-immunoglobulin-a-responses-to-a-morning-session-of-basketball-or-volleyball-training-in-boys-aged-14-18-years
#18
A Bruzda-Zwiech, M Konieczka, A Hilt, M Daszkowska, J Grzegorczyk, J Szczepańska
This study investigates whether a single session of routine morning basketball or volleyball training affects saliva levels of cortisol, alpha-amylase (sAA) and secretory immunoglobulin A (sIgA) in boys aged 14–18 years. Twenty-nine boys who participate in basketball or volleyball training, recruited from the Marcin Gortat’s Athletic Championship School in Lodz, were enrolled in the study. The 90-minute routine exercise program included 15 minutes of warm-up followed by basketball or volleyball practice. Unstimulated saliva samples were collected prior to and immediately after the exercise, and were analysed using ELISA...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28325641/spectrum-of-nondystrophic-skeletal-muscle-channelopathies-in-children
#19
Fouad Al-Ghamdi, Basil T Darras, Partha S Ghosh
BACKGROUND: The nondystrophic skeletal muscle channelopathies are a group of disorders caused by mutations of various voltage-gated ion channel genes, including nondystrophic myotonia and periodic paralysis. METHODS: We identified patients with a diagnosis of muscle channelopathy from our neuromuscular database in a tertiary care pediatric center from 2005 to 2015. We then performed a retrospective review of their medical records for demographic characteristics, clinical features, investigations, treatment, and follow-up...
February 16, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28320488/the-effect-of-rider-weight-and-additional-weight-in-icelandic-horses-in-t%C3%A3-lt-part-i-physiological-responses
#20
G J Stefánsdóttir, V Gunnarsson, L Roepstorff, S Ragnarsson, A Jansson
This study examined the effect of increasing BW ratio (BWR) between rider and horse, in the BWR range common for Icelandic horses (20% to 35%), on heart rate (HR), plasma lactate concentration (Lac), BWR at Lac 4 mmol/l (W4), breathing frequency (BF), rectal temperature (RT) and hematocrit (Hct) in Icelandic horses. In total, eight experienced school-horses were used in an incremental exercise test performed outdoors on an oval riding track and one rider rode all horses. The exercise test consisted of five phases (each 642 m) in tölt, a four-beat symmetrical gait, at a speed of 5...
March 21, 2017: Animal: An International Journal of Animal Bioscience
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