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https://www.readbyqxmd.com/read/29790643/the-association-of-bicycle-related-genital-numbness-and-sexual-health-inventory-for-men-score-shim-results-from-a-large-multinational-cross-sectional-study
#1
Nima Baradaran, Mohannad Awad, Thomas W Gaither, Kirkpatrick B Fergus, Benjamin E Cedars, Ashwin S Balakrishnan, Michael L Eisenberg, Tom Sanford, Benjamin N Breyer
OBJECTIVE: To assess the association of genital numbness and erectile dysfunction in male cyclists. SUBJECTS AND METHODS: Cyclists were recruited through Facebook advertisements and outreach to sporting clubs. This is a secondary analysis of a larger epidemiologic population-based study that examined sexual and urinary wellness in athletes. We queried cycling habits and erectile function using Sexual Health Inventory for Men (SHIM). RESULTS: A total of 2,774 male cyclists were included for the analysis...
May 23, 2018: BJU International
https://www.readbyqxmd.com/read/29787610/the-influence-of-somatotype-on-anaerobic-performance
#2
Helen Ryan-Stewart, James Faulkner, Simon Jobson
The link between athlete physique and performance in sports is well established. However, a direct link between somatotype three-numeral rating and anaerobic performance has not yet been reported. The purpose of this study was to assess the relations between somatotype and anaerobic performance using both singular and multivariate analyses. Thirty-six physically active males (mean ± standard deviation age 26.0 ± 9.8 years; body mass 79.5 ± 12.9 kg; height 1.82 ± 0.07 m) were somatotype-rated using the Heath-Carter method...
2018: PloS One
https://www.readbyqxmd.com/read/29786625/differences-in-glenohumeral-joint-rotation-and-peak-power-output-between-super-league-and-championship-rugby-league-players
#3
Matthew R Haines
Haines, MR. Differences in glenohumeral joint rotation and peak power output between Super League and Championship Rugby League players. J Strength Cond Res 32(6): 1685-1691, 2018-Rugby league is a high-intensity sport with large impact forces sustained during play, resulting in high prevalence of shoulder injury. Consequently, shoulder strength and player power are important considerations for injury prevention and performance. Additionally, professional teams regularly compete against semiprofessional teams, where differences in physical conditioning could be marked...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29770501/correlation-between-cycling-power-and-muscle-thickness-in-cyclists
#4
Hyung-Jin Lee, Kang-Woo Lee, Yong-Woo Lee, Hee-Jin Kim
INTRODUCTION: The aim of this study was to determine the correlation between muscle thickness (MT) and cycling power in varsity cyclists using ultrasonography (US) and to identify any differences in MT between short- and long-distance cyclists. MATERIALS AND METHODS: Twelve cyclists participated in this study. Real-time two-dimensional B-mode US was used to measure the MT in the anterior thigh, anterior lower leg, and trunk, especially in the abdominal and lumbar regions...
May 17, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29768095/test-retest-reliability-of-kinetic-variables-measured-on-campus-board-in-sport-climbers
#5
Edgardo Alvares de Campos Abreu, Sílvia Ribeiro Santos Araújo, Gustavo Henrique da Cunha Peixoto Cançado, André Gustavo Pereira de Andrade, Mauro Heleno Chagas, Hans-Joachim Karl Menzel
Sport climbers frequently use campus board (CB) to improve their upper limb strength under similar conditions of high-difficulty sport climbing routes. The objective of this study was to assess the test-retest reliability of peak force and impulse measured using a CB instrumented with two load cells on starting holds. The same evaluator examined 22 climbers on two days with 48 h between the assessments. The participants performed five concentric lunges (CL) and five lunges with stretch-shortening cycle with 1 min intervals between repetitions and 10 min between exercises...
May 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29763339/the-v-shaped-distal-triceps-tendon-repair-a-comparative-biomechanical-analysis
#6
Bastian Scheiderer, Florian B Imhoff, Daichi Morikawa, Lucca Lacheta, Elifho Obopilwe, Mark P Cote, Andreas B Imhoff, Augustus D Mazzocca, Sebastian Siebenlist
BACKGROUND: Restoring footprint anatomy, minimizing gap formation, and maximizing the strength of distal triceps tendon repairs are essential factors for a successful healing process and return to sport. HYPOTHESIS: The novel V-shaped distal triceps tendon repair technique with unicortical button fixation closely restores footprint anatomy, provides minimal gap formation and high ultimate failure load, and minimizes iatrogenic fracture risk in acute/subacute distal triceps tendon tears...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29755928/the-effects-of-social-support-on-strenuous-physical-exercise
#7
Arran Davis, Emma Cohen
In humans, socio-environmental cues play an important role in determining adaptive psychophysiological states and behaviours. In sport and exercise, cues to cohesive groups and close, supportive relationships are ubiquitous, possibly because of their effects on neurobiological mechanisms underlying physical performance. Clinical research has shown that the presence of supportive others can lead to reductions in perceptions of pain, while research from sport and exercise science has shown that pain and physical fatigue occupy ranges on a single spectrum of physical discomfort, which works to regulate outputs during strenuous physical exertion...
2018: Adaptive Human Behavior and Physiology
https://www.readbyqxmd.com/read/29746382/warm-up-optimizes-postural-control-but-requires-some-minutes-of-recovery
#8
Thierry Paillard, Mohamed Abdelhafid Kadri, Merbouha Boulahbel Nouar, Frederic Noé
Paillard, T, Kadri, MA, Nouar, MB, and Noé, F. Warm-up optimizes postural control but requires some minutes of recovery. J Strength Cond Res XX(X): 000-000, 2018-The aim was to compare monopedal postural control between the dominant leg (D-Leg) and the nondominant leg (ND-Leg) in pre- and post-warm-up conditions. Thirty healthy male sports science students were evaluated before and after a warm-up exercise (12 minutes of pedaling with an incremental effort on a cycle ergometer with a controlled workload). Monopodal postural control was assessed for the D- and ND-Legs before and immediately, 2, 5, 10, and 15 minutes after the warm-up exercise, using a force platform and calculating the displacement velocity of the center of foot pressure on the mediolateral (COPML velocity) and anteroposterior (COPAP velocity) axes...
May 2, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29745735/time-trial-performance-in-elite-speed-skaters-after-remote-ischemic-preconditioning
#9
Philippe Richard, François Billaut
PURPOSE: Speed skating leads to blood-flow restriction and deoxygenation in the lower limbs (especially the right leg) that may affect performance. Although the acute influence of such deoxygenation is not clearly understood, we tested whether remote ischemic preconditioning (RIPC) could modify muscular oxygenation and improve time-trial performance in that sport. METHODS: Using a randomized, single-blind, placebo-controlled, crossover design, 9 elite speed skaters performed 1000-m on-ice time-trials preceded by either RIPC of the upper limbs (3x5-min compression/5-min reperfusion cycles at 30 mmHg > arterial systolic pressure) or SHAM (10 mmHg)...
May 10, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29734063/neuromechanical-adaptations-to-slippery-sport-shoes
#10
Cédric Y M Morio, Alexis Herbaut
Although shoe friction has been widely studied in occupational ergonomics, information was lacking about friction in sport shoes. The purpose of the study was to examine the neuromechanical adaptations to different shoe-surface interface in an aerobic-gym specific movement. Sixteen females performed 10 change of direction movements in two shoe conditions differing by their outsoles (ethyl-vinyl-acetate: EVA and rubber: RB) to ensure significant differences in mechanical coefficients of friction (EVA = 0...
May 4, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29731401/adverse-effects-of-common-sports-and-recreational-activities-on-male-reproduction
#11
REVIEW
Kush Panara, John M Masterson, Luis F Savio, Ranjith Ramasamy
CONTEXT: Male factor infertility plays a significant role in infertility. Many factors have been associated with male infertility; however, the link between many sports and recreational factors and male reproduction remains poorly characterized. OBJECTIVE: To evaluate the current literature regarding the impact of many common sports and recreational factors on male reproduction. EVIDENCE ACQUISITION: A comprehensive PubMed and Embase search for relevant articles published between 1970 and 2017 was performed by combining the following search terms: male, sports (including individual sports), traumatic brain injury, sauna, hot tub, fertility, erectile dysfunction, varicocele, environment, cell phone, and laptop computer...
May 3, 2018: European Urology Focus
https://www.readbyqxmd.com/read/29728700/combination-therapy-with-carfilzomib-lenalidomide-and-dexamethasone-krd-results-in-an-unprecedented-purity-of-the-stem-cell-graft-in-newly-diagnosed-patients-with-myeloma
#12
Nishant Tageja, Neha Korde, Dickran Kazandjian, Sandhya Panch, Elisabet Manasanch, Manisha Bhutani, Mary Kwok, Sham Mailankody, Constance Yuan, Maryalice Stetler-Stevenson, Susan F Leitman, Claude Sportes, Ola Landgren
Still, many physicians give 4 cycles of combination therapy to multiple myeloma patients prior to collection of stem cells for autologous bone marrow transplant. This tradition originates from older doxorubicin-containing regiments which limited the number of cycles due to cumulative cardiotoxicity. Using older regiments, most patients had residual myeloma cells in their autologous stem-cell grafts during collection. Emerging data show that newly diagnosed multiple myeloma patients treated with modern carfilzomib/lenalidomide/dexamethasone (KRd) therapy, on average, take 6 cycles until reaching minimal residual disease (MRD) negativity...
May 4, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29706822/high-intensity-sport-specific-cardiac-rehabilitation-training-of-a-22-year-old-competitive-cyclist-after-spontaneous-coronary-artery-dissection
#13
Nicholas Weber, Adam Weber, Pasquale Carbone, Anne Lawrence, Tim Bilbrey, Jeffrey M Schussler, Jenny Adams
A 22-year-old man with spontaneous coronary artery dissection wanted to assess the feasibility of returning to competitive cycling. He was referred to the cardiac rehabilitation (CR) program at Baylor Hamilton Heart and Vascular Hospital where staff designed a high-intensity, sport-specific training program that simulated the movements and forces associated with his goal activity. The program was symptom limited and enabled the patient to train earlier and at a higher intensity than is typically allowed in conventional CR programs...
April 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29698495/the-impact-of-high-and-low-intensity-exercise-in-adolescents-with-movement-impairment
#14
Francesca Liu, Martyn Morris, Lisa Hicklen, Hooshang Izadi, Helen Dawes
Five to six percent of young people have movement impairment (MI) associated with reduced exercise tolerance and physical activity levels which persist into adulthood. To better understand the exercise experience in MI, we determined the physiological and perceptual responses during and following a bout of exercise performed at different intensities typically experienced during sport in youth with MI. Thirty-eight adolescents (11-18 years) categorised on the Bruininks-Oseretsky Test of Motor Proficiency-2 Short-Form performed a peak oxygen uptake bike test ([Formula: see text]) test at visit 1 (V1)...
2018: PloS One
https://www.readbyqxmd.com/read/29692203/a-new-generalized-cycle-ergometry-equation-for-predicting-maximal-oxygen-uptake-the-fitness-registry-and-the-importance-of-exercise-national-database-friend
#15
Peter Kokkinos, Leonard A Kaminsky, Ross Arena, Jiajia Zhang, Jonathan Myers
Background To develop a clinically applicable equation derived from direct assessment of maximal oxygen uptake (VO2max ) to predict VO2max assessed indirectly during cycle ergometry. Design VO2max was assessed by open-circuit spirometry during a graded maximal exercise test using cycle ergometry. Multivariable linear regression analysis was applied to identify the most relevant variables and construct the best prediction model for VO2max using a random sample of 70% from each of the following age categories: <40, 40-50, 50-70 and >70 years; the remaining 30% was used for validation...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29677565/comparison-of-three-modes-of-aerobic-exercise-combined-with-resistance-training-on-the-pain-and-function-of-patients-with-knee-osteoarthritis-a-randomized-controlled-trial
#16
Sanaz Kabiri, Farzin Halabchi, Hooman Angoorani, Saeed Yekaninejad
OBJECTIVES: To investigate the effects of three modes of aerobic exercise (lower limbs with and without weight bearing and upper limb) for knee osteoarthritis. DESIGN: Randomized controlled trial. SETTING: Sports medicine clinic. PARTICIPANTS: Seventy-eight patients with knee osteoarthritis were divided into 3 groups of resistance training combined with one of three programs of treadmill, cycle ergometer, or arm ergometer aerobic training...
April 7, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29674008/applying-systems-ergonomics-methods-in-sport-a-systematic-review
#17
Adam Hulme, Jason Thompson, Katherine L Plant, Gemma J M Read, Scott Mclean, Amanda Clacy, Paul M Salmon
INTRODUCTION: As sports systems become increasingly more complex, competitive, and technology-centric, there is a greater need for systems ergonomics methods to consider the performance, health, and safety of athletes in context with the wider settings in which they operate. Therefore, the purpose of this systematic review was to identify and critically evaluate studies which have applied a systems ergonomics research approach in the context of sports performance and injury management...
April 16, 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29672692/physical-activity-and-cause-specific-mortality-the-rotterdam-study
#18
Chantal M Koolhaas, Klodian Dhana, Josje D Schoufour, Lies Lahousse, Frank J A van Rooij, M Arfan Ikram, Guy Brusselle, Henning Tiemeier, Oscar H Franco
Background: Physical activity (PA) is associated with lower risk for all-cause mortality. However, in elderly people, it remains unknown which types of PA are associated with mortality and whether the association between PA and mortality differs by cause of death. Methods: We assessed the association of total PA, walking, cycling, domestic work, sports and gardening with all-cause mortality, and the association of total PA with cause-specific mortality, using Cox proportional hazard models among 7225 older adults (mean age: 70 years) from the prospective population-based Rotterdam Study...
April 16, 2018: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29663075/comparison-of-running-and-cycling-economy-in-runners-cyclists-and-triathletes
#19
Wannes Swinnen, Shalaya Kipp, Rodger Kram
PURPOSE: Exercise economy is one of the main physiological factors determining performance in endurance sports. Running economy (RE) can be improved with running-specific training, while the improvement of cycling economy (CE) with cycling-specific training is controversial. We investigated whether exercise economy reflects sport-specific skills/adaptations or is determined by overall physiological factors. METHODS: We compared RE and CE in 10 runners, 9 cyclists and 9 triathletes for running at 12 km/h and cycling at 200 W...
April 16, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29651908/design-of-eccentric-training-system-based-on-multiple-input-single-output-miso-wiener-nonlinear-model
#20
Chunbo Liu
The efficacy of eccentric cycling has been proved in research, clinical and sport training activities. However, several constraints make it difficult to use commercially available eccentric cycle ergometers. In this study, the multiple-input single-output (MISO) Wiener nonlinear model was applied to the design of eccentric training system. Particle Swarm Optimization (PSO) algorithm was then applied to identify the parameters of the MISO Wiener nonlinear model. The correlation coefficient of 0.9985 and root mean square error of 3...
April 13, 2018: Journal of Sport Rehabilitation
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