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Effects of a Non-Circular Chainring on Sprint Performance During a Cycle Ergometer Test
Elliptical chainring clipless pedal maximal power output equipment design force-velocity test
2016/7/7
Non-circular chainrings have been reported to alter the crank angular velocity profile over a pedal revolution so that more time is spent in the effective power phase. The purpose of this study was to...
Multi-Directional Sprint Training Improves Change-Of-Direction Speed and Reactive Agility in Young Highly Trained Soccer Players
COD movements repeated shuttle sprints speed Speedcourt team sport
2016/7/7
The aim of this study was to evaluate the effect of a repeated sprint training with multi-directional change-of-direction (COD) movements (RSmulti) compared to repeated shuttle sprints (RSS) on variab...
Effects of Sprint Interval Cycling on Fatigue, Energy, and Cerebral Oxygenation
HIGH-INTENSITY INTERVAL CYCLING MOOD STATE NEAR-INFRARED SPECTROSCOPY
2017/4/13
Introduction: Feelings of fatigue are reduced after a session of continuous exercise of low-to-moderate intensity lasting 20 min or more, but only when feelings of energy are increased. Feelings of fa...
Effects of Cycling Versus Running Training on Sprint and Endurance Capacity in Inline Speed Skating
Aerobic metabolism blood glucose concentration all-out sprint test
2016/3/11
The purpose of this study was to compare the effects of running versus cycling training on sprint and endurance capacity in inline speed skating. Sixteen elite athletes (8 male, 8 female, 24 ± 8 yrs) ...
Effects of short-term ingestion of Russian Tarragon prior to creatine monohydrate supplementation on whole body and muscle creatine retention and anaerobic sprint capacity:a preliminary investigation
Creatine supplementation Russian Tarragon Anaerobic capacity Muscle creatine
2015/7/29
Extracts of Russian Tarragon (RT) have been reported to produce anti-hyperglycemic effects and influence plasma creatine (Cr) levels while supplementing with creatine monohydrate (CrM). The purpose of...
Effects of carbohydrate combined with caffeine on repeated sprint cycling and agility performance in female athletes
Anaerobic capacity Ergogenic aids Fatigue Hormone Metabolic substrate Nutrition
2015/7/29
Caffeine (CAF) has been shown to improve performance during early phase of repeated sprint exercise; however some studies show that CAF also increases the magnitude of physical stress represented by a...
Effect of sodium bicarbonate and beta-alanine supplementation on maximal sprint swimming
Alkalosis Anaerobic exercise Buffer Ergogenic aid
2015/7/28
This study examined the effect of simultaneous supplementation of extracellular buffer sodium bicarbonate (SB) and intracellular buffer beta-alanine (BA) on maximal sprint swimming.Thirteen competitiv...
Effect of betaine supplementation on cycling sprint performance
Anaerobic power Ergogenic aid Creatine Wingate
2015/7/23
To examine the effect of betaine supplementation on cycling sprint performance.Sixteen recreationally active subjects (7 females and 9 males) completed three sprint tests, each consisting of four 12 s...
Repeated-Sprint Cycling Does Not Induce Respiratory Muscle Fatigue in Active Adults: Measurements from The Powerbreathe® Inspiratory Muscle Trainer
Maximal inspiratory pressure respiratory muscle fatigue repeated-sprint ability mouth pressure manometer
2015/5/26
This study examined respiratory muscle strength using the POWERbreathe® inspiratory muscle trainer (i.e., ‘S-Index’) before and after repeated-sprint cycling for comparison with maximal inspirato...
What is the Safest Sprint Starting Position for American Football Players?
Sports sports medicine brain concussion biomechanics
2015/5/22
The main objective of this study was to perform a biomechanical analysis of three different sprint start patterns to determine the safest position in term of neck injury and Sport-Related Concussion (...
Enhanced Performance after Repeated Sprint Training in Hypoxia: False or Reality?
Repeated Sprint Training Repeated Sprint Training
2017/4/20
Anyone working with highly trained athletes will be doubtful toward any intervention that increases exercise performance by 55% after six training sessions, as recently reported by Faiss et al. (1). T...
The Effect of Ischemic Preconditioning on Repeated Sprint Cycling Performance
ISCHEMIA OCCLUSION POWER OUTPUT MULTIPLE SPRINT FATIGUE
2017/4/19
Purpose: Ischemic preconditioning enhances exercise performance. We tested the hypothesis that ischemic preconditioning would improve intermittent exercise in the form of a repeated sprint test during...
Pronounced Muscle Deoxygenation During Supramaximal Exercise Under Simulated Hypoxia in Sprint Athletes
NIRcws muscle deoxygenation hypoxic 30s Wingate test athletes
2015/4/17
The purpose of this study was to determine whether acute hypoxia alters the deoxygenation level in vastus lateralis muscle during a 30 s Wingate test, and to compare the muscle deoxygenation level bet...
Sprint-Interval Training Induces Heat Shock Protein 72 in Rat Skeletal Muscles
Hindlimb treadmill running enzyme activity fiber type shift hypertrophy
2015/3/18
Previous studies have demonstrated that endurance exercise training increases the level of heat shock proteins (HSPs) in skeletal muscles. However, little attention has been drawn to the effects of hi...
The Use of Varying Creatine Regimens on Sprint Cycling
Acute create loading performance enhancement dosage
2015/3/11
This study aimed to determine the effects of different acute creatine loadings (ACRL) on repeated cycle sprints. Twenty-eight active subjects divided into the control (n=7) and the experimental (n=21)...